9999 MACK MACK Recalls (3)

Campaign:: 69V118000 on 10/11/1979
Component:: Fuel system, gasoline:fuel injection system
Affected:: 17
Notes:: Possibility that fuel rack and rack bearing on fuel injector pump housing mayfail.if this occurs could result in over-speeding of engine.(correct byreplacing with new fuel rack and rack bearing.)
Campaign:: 69V144000 on 10/11/1979
Component:: Steering:gear box (other than rack and pinion)
Affected:: 93
Notes:: Possibility that worm follower lock- ing screw on power steering gear assemblymay work loose.if this condition exists and screw works out completely, inputworm and follow shaft will disengage causing complete loss of steering control.(correct by replacing follower screw with improved screw and locking washer.)
Campaign:: 68V115000 on 10/11/1979
Component:: Service brakes, air:supply:quick release valve
Affected:: 142
Notes:: Possibility incorrect diaphragm installed on berg spring brake assemblies.incorrect spring delays application of spring brakes for a few seconds.(correct by inspecting and replacing where necessary.)

9999 MACK MACK TSBs (447)

Bulletin:: 01C017
Component:: 161000 structure:frame and members
Summary:: al suspension crossmember - lower brackets of al suspension center crossmembers may crack due to torque rod stress in this area. *tw
Bulletin:: 39J008
Component:: 980000 unknown or other
Summary:: erratic speedometer and tachometer operation on v-mac equipped vehicles. *tw
Bulletin:: 37L001
Component:: 072100 fuel system, gasoline:delivery:fuel pump
Summary:: different head sizes on e7 injection pump timing adjustment bolts. *tw
Bulletin:: 14E036
Component:: 061320 engine and engine cooling:engine:other fuel types:turbo-charger
Summary:: engine clean air inlet tube rubbing against the turbocharger oil inlet line fitting. *tw
Bulletin:: B36
Component:: 061000 engine and engine cooling:engine
Summary:: new piston is now being used in cylinder kits for 06.02.12 engines. *tw
Bulletin:: 32A002
Component:: 061000 engine and engine cooling:engine
Summary:: un-finished main bearing caps for mack e7 engines. *tw
Bulletin:: 78G004
Component:: 102000 power train:manual transmission
Summary:: new synchronizer valve sleeve for t200 series transmissions with synchronizer range valve. *tw
Bulletin:: 78V003
Component:: 103000 power train:automatic transmission
Summary:: new range and splitter o-rings. *tw
Bulletin:: 10A007
Component:: 063200 engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe
Summary:: exhaust flex pipe repair. *tw
Bulletin:: PI473
Component:: 103000 power train:automatic transmission
Summary:: new mounting bolt for automatic transmission to alleviate a condition where the bolts were not maintaining correct torque. *tw
Bulletin:: B40
Component:: 073000 fuel system, gasoline:fuel injection system
Summary:: changes in the itc (injection timing control). *tw
Bulletin:: 57C001
Component:: 073000 fuel system, gasoline:fuel injection system
Summary:: injection pump fuel leak-off hose clamps. *tw
Bulletin:: 47C022
Component:: 073000 fuel system, gasoline:fuel injection system
Summary:: injection fuel leak-off hose clamps. *tw
Bulletin:: 53G001
Component:: 061000 engine and engine cooling:engine
Summary:: oversize outside diameter main bearings for mack e9 series engines. *tw
Bulletin:: 19A007
Component:: 160000 structure
Summary:: new kit to improve cab durability and ride. *tw
Bulletin:: MAPI486
Component:: 040000 service brakes, air
Summary:: certain mack chassis equipped with pruge type air dryers and holset air compressors could possibly have been plumbed incorrectly at the factory. to correct this condition, dealers are to inspect the affected chassis and corrected as outli
Bulletin:: 33K002
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: revised repto lubricant line and bearing adjustment specification change. *tw
Bulletin:: 37C004
Component:: 073000 fuel system, gasoline:fuel injection system
Summary:: injection pump fuel leak - off hose clamps. *tw
Bulletin:: MAC06H005
Component:: 106000 power train:axle assembly
Summary:: eaton corporation began using a preapplied thread adhesive compound on yoke end
Bulletin:: MAC03A003
Component:: 105000 power train:driveline
Summary:: axle alignment specifications.*sd
Bulletin:: SL03M001
Component:: 105000 power train:driveline
Summary:: chicago rawhide has been made the standard supplier ofr both steering axle and drive axle wheel seals where available. beginning with december 1, 1994 production, chicago rawhide scotseals became the standardwheel seal on rear rear drive
Bulletin:: 32A003A
Component:: 061000 engine and engine cooling:engine
Summary:: (supersedes any previosly dated service bulletin number 32a003). the following information provides procedures for checking cylinder heads and cylinder blocks for internal oil and/or water leakage, and also for head gasket leaks. suspected
Bulletin:: 33K003
Component:: 021500 suspension:front:control arm
Summary:: due to an interference condition that may exist between the repto unit output shaft flange and bearing cones available from different manufacturers, a tapered roller bearing cone manufactured by timken has been released for use at the idle
Bulletin:: SL17B001
Component:: 071120 fuel system, gasoline:storage:tank assembly:mounting
Summary:: (applies only to chassis without fairings). if it should become necessary to replace the rivets attaching the step end caps to the step plates on aluminum fuel tank steps, it is acceptable to use 5/16 inch x 3/4 inch bolts, nuts and lock w
Bulletin:: 51F001
Component:: 061000 engine and engine cooling:engine
Summary:: with the machined dowel method of installation, research has found that flywheel housing runout is well within old service specification of .010 inch total indicated runout (tir) when checked using an alignment bar through the cylinder blo
Bulletin:: 09D001
Component:: 011000 steering:wheel and handle bar
Summary:: information is supplied by trw to familiarize technicians with the proper inspection procedures and replacement criteria for their steering ball sockets. inspection criteria for manufacturers other than trw may vary.
Bulletin:: 19W018
Component:: 061000 engine and engine cooling:engine
Summary:: component manufacturing variables may allow excessive clearence between the refrigerant compressor mounting ears and the bracket mating surfases. this excessive clearance can cause the ears on the cast aluminum compressor to crack when the
Bulletin:: D4A
Component:: 101100 power train:clutch assembly:pedal/linkage
Summary:: (supersedes bulletin d4 dated 7/26/95). a new aftermarket service clutch assembly has been released by spicer clutch division, ans is available for use on mid-liner ms200, ms250, cs200 and cs250 series chassis. this clutch assembly is offe
Bulletin:: SRV3256
Component:: 113100 electrical system:starter assembly:solenoid
Summary:: Ingersoll-rand air starter solenoid valve, p/n 20qe520 used on us postal service chassis. *jd
Bulletin:: 07B007
Component:: 042600 service brakes, air:supply:hoses, lines/piping, and fittings
Summary:: Quick connect air brake fittings. *jd
Bulletin:: 04F004
Component:: 021600 suspension:front:wheel bearing
Summary:: Control arm bushing and anchor stud repair parts for haldex automatic slack adjusters. *jd
Bulletin:: 01B009
Component:: 023000 suspension:multiple axle
Summary:: Right rear suspension gusset reinforcement. *tw
Bulletin:: 04F004/2
Component:: 034000 service brakes, hydraulic:foundation components
Summary:: Control arm bushing and anchor stud kit for haldex automatic slack adjusters. *tw
Bulletin:: 78Z005
Component:: 101000 power train:clutch assembly
Summary:: Revised range clutch/synchronized components. *yc
Bulletin:: 98800
Component:: 061000 engine and engine cooling:engine
Summary:: Subject regarding v-mac iii system overview. *yc
Bulletin:: 03B001
Component:: 020000 suspension
Summary:: Information on kingpin lateral play measurements, steering knuckle vertical clearance measurements and adjustments and king pin lubrication procedures. *yc
Bulletin:: 14H009
Component:: 062200 engine and engine cooling:cooling system:fan
Summary:: A new fitting/retainer for fan clutch air line is available for all models except cl. *yc
Bulletin:: 98062904A004
Component:: 106000 power train:axle assembly
Summary:: A new cast axle housing replacing the s441. *yc
Bulletin:: 98061804A005
Component:: 106000 power train:axle assembly
Summary:: Information on lubricant level on 65,000-lb mack tandem axles. *yc
Bulletin:: 98061802A007
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Various information pertaining to chassis lean. *yc
Bulletin:: 98042191D025
Component:: 061000 engine and engine cooling:engine
Summary:: A new oil performance specification. *yc
Bulletin:: 98052702P003
Component:: 020000 suspension
Summary:: Information on specific required maintenance and tightening torque values for the reyco tandem axle suspension. *yc
Bulletin:: 010198
Component:: 070000 fuel system, gasoline
Summary:: Information regarding fuel temperature (ft) sensor blink code 1-3. *yc
Bulletin:: SB213019
Component:: 061000 engine and engine cooling:engine
Summary:: Brief information regarding cylinger head cover changes. *yc
Bulletin:: SB533006
Component:: 042600 service brakes, air:supply:hoses, lines/piping, and fittings
Summary:: Information pertaining to quick connect air brake fittings. *yc
Bulletin:: SB475006
Component:: 106000 power train:axle assembly
Summary:: Brief information pertaining to power divider wedge codes. *yc
Bulletin:: P1521
Component:: 350000 equipment
Summary:: Subject on carrier clamp plate inspection. *yc
Bulletin:: PI506
Component:: 020000 suspension
Summary:: Subject pertaining to al suspension height control valve linkage rod upgrade, and height control valve travel over center condition. *yc
Bulletin:: SB475007
Component:: 350000 equipment
Summary:: Information regarding the release of a new-type breather assembly. *yc
Bulletin:: SB533008
Component:: 350000 equipment
Summary:: Information regarding a new-style e-12 treadle valve. *yc
Bulletin:: SB213009
Component:: 061000 engine and engine cooling:engine
Summary:: Proper fire ring/ cylinder sleeve replacement combinations and repair of e7 cylinder head gasket combustion leakage. *yc
Bulletin:: P1524
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Experiencing intermittent engine miss/ cut-out. *yc
Bulletin:: SB324008
Component:: 103000 power train:automatic transmission
Summary:: Revised air fittings for t200 transmission air control system. *yc
Bulletin:: 04B015
Component:: 161000 structure:frame and members
Summary:: Subject on heavy -duty 44,000-lb trunnion bracket. *yc
Bulletin:: 07B008
Component:: 040000 service brakes, air
Summary:: Subject on air brake piping requirements for straight trucks. *yc
Bulletin:: 32J003
Component:: 061000 engine and engine cooling:engine
Summary:: Conditions with engine brake relay. *yc
Bulletin:: SB210023
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Information on eo-m diesel engine oil specification. *yc
Bulletin:: SRV3256
Component:: 200000 wheels
Summary:: Subject on hub piloted disc wheels. *yc
Bulletin:: SB723004
Component:: 036000 service brakes, hydraulic:antilock
Summary:: Replacement of abs chassis harnesses. *tt
Bulletin:: 990209
Component:: 062000 engine and engine cooling:cooling system
Summary:: Information regarding new and improved 'pre-charged' antifreeze which is 'fuchsia' in color. *tt
Bulletin:: 990219
Component:: 061000 engine and engine cooling:engine
Summary:: This bulletin outlines the elimination of the cylinder sleeve crevice groove and seal. *tt
Bulletin:: SB475009
Component:: 980000 unknown or other
Summary:: Information on hex-head bolts with preapplied adhesive for use in all mack carriers. *tt
Bulletin:: 010199
Component:: 061000 engine and engine cooling:engine
Summary:: Subject regarding engine speed / timing sensor. *tt
Bulletin:: SB232010
Component:: 062200 engine and engine cooling:cooling system:fan
Summary:: Information on the new fitting / retainer for fan clutch air line. *tt
Bulletin:: SB210028
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Information regarding the release of a new mack eo-m plus high performance diesel engine oil specification. *tt
Bulletin:: SB008002
Component:: 980000 unknown or other
Summary:: Subject regarding j 38351-a and j 38351-b serial link adapter special tool upgrade campaign. *tt
Bulletin:: SB723006
Component:: 046000 service brakes, air:antilock
Summary:: Subject regarding wheelbase changes on chassis equipped with meritor wabco, eaton / bosch and bendix abs. *tt
Bulletin:: SB232010
Component:: 062200 engine and engine cooling:cooling system:fan
Summary:: Nformation on the fitting / retainer for fan clutch air line. *tt
Bulletin:: SB322014
Component:: 106200 power train:axle assembly:axle shaft
Summary:: This bulletin introduces the new type reverse gear idler shaft previously used in all models equipped with t200 series transmissions. *tt
Bulletin:: 700199927101
Component:: 350000 equipment
Summary:: Information on troubleshooting software errors for v-mac windows version 2.0. *tt
Bulletin:: 000199926701
Component:: 355100 equipment:other:labels
Summary:: Information on product improvement campaign 521-carrier clamp plate inspection. *mjs
Bulletin:: SB221021
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Information regarding the injection pump timing and installation procedure corrections for e5 2-valve head engine overhaul manual. *mjs
Bulletin:: 700199927301
Component:: 116200 electrical system:ignition:module
Summary:: Information regarding the v-mac slow programming with intermittent errors. *mjs
Bulletin:: 700199927201
Component:: 116200 electrical system:ignition:module
Summary:: Information regarding the v-mac error message (illegal operation). *mjs
Bulletin:: SB273006
Component:: 060000 engine and engine cooling
Summary:: Information regarding ambient air temperature sensor. *mjs
Bulletin:: SL210014
Component:: 060000 engine and engine cooling
Summary:: Information regarding the low nox reguild program required under the recent epa and engine manufacturers. *mjs
Bulletin:: SL008001
Component:: 350000 equipment
Summary:: Subject on the essential tool program shipment notice j 44531- timken wheel boss end play gauge. *mjs
Bulletin:: SB539001
Component:: 036100 service brakes, hydraulic:antilock:control unit/module
Summary:: Information regarding relocating abs wheel speed sensor on chassis equipped with s440, s441 and s462 rear axles. *mjs
Bulletin:: SB420001
Component:: 106000 power train:axle assembly
Summary:: Information on the axle alignment specifications. *mjs
Bulletin:: 200200002001
Component:: 021230 suspension:front:springs:air suspension system
Summary:: Information regarding the unit pump mounting bolt failure. *mjs
Bulletin:: 700200001801
Component:: 185000 vehicle speed control:cruise control
Summary:: Informatino on low idle setting and allison wtec iii programmiing. *mjs
Bulletin:: SB723004
Component:: 036000 service brakes, hydraulic:antilock
Summary:: Information on the replacement of abs chassis harnesses. *mjs
Bulletin:: SB723006
Component:: 036000 service brakes, hydraulic:antilock
Summary:: Information regarding the wheelbase changes on chassis equipped with meritor wabco, eaton/bosch and bendix abs. *mjs
Bulletin:: SB724003
Component:: 114100 electrical system:wiring:front underhood
Summary:: Information regarding the j1939 communication line replacement parts. *mjs
Bulletin:: SB292010
Component:: 181000 vehicle speed control:accelerator pedal
Summary:: Information regarding the improved throttle pedal assembly. *mjs
Bulletin:: 700200004201
Component:: 353000 equipment:electrical
Summary:: Information regarding the vip troubleshooting. *mjs
Bulletin:: SB261006
Component:: 061000 engine and engine cooling:engine
Summary:: Information regarding bendix tu-flo 550/750 unloader piston leakage. *mjs
Bulletin:: SB539001REV
Component:: 036100 service brakes, hydraulic:antilock:control unit/module
Summary:: Information regarding the relocation of abs wheel speed sensor on chassis equipped with s440, s441 and s462 rear axles. *mjs
Bulletin:: SB137011
Component:: 161000 structure:frame and members
Summary:: Information regarding heavy-duty 44,000 lb trunnion bracket, all models except ch and cl. *mjs
Bulletin:: SB232014
Component:: 060000 engine and engine cooling
Summary:: Intormation regarding texaco and rotella (shell) extended life coolants. *mjs
Bulletin:: SL210014REV
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Information regarding the low no x rebuild kit. *mjs
Bulletin:: SL221021
Component:: 116200 electrical system:ignition:module
Summary:: Information regarding the v-mac iii ecu replacement. *mjs
Bulletin:: SL121005
Component:: 161000 structure:frame and members
Summary:: Information regarding frame inspection (new delivery-all models). *mjs
Bulletin:: SL008002
Component:: 350000 equipment
Summary:: Information regarding essentuial tool program shifment notice bt91104- torque angle gauge set. *mjs
Bulletin:: 980507
Component:: 116200 electrical system:ignition:module
Summary:: Experiencing data programming error message 1. *tt
Bulletin:: SB420001
Component:: 020000 suspension
Summary:: Subject regarding axle alignment specifications. *tt
Bulletin:: SB471003
Component:: 022130 suspension:rear:springs:air suspension system
Summary:: Information regarding the redesigned rear axle housing for chassis equipped with al suspension. *tt
Bulletin:: 700200009601
Component:: 181000 vehicle speed control:accelerator pedal
Summary:: Some vehicles may exhibit a dead throttle pedal with no active or inactive fault codes. *tt
Bulletin:: 200200010102
Component:: 185000 vehicle speed control:cruise control
Summary:: Subject regarding concerns with pi 531 unstable low idle 500-750 rpm e-tech with v-mack iii step 7 software. *tt
Bulletin:: SB271002
Component:: 112000 electrical system:alternator/generator/regulator
Summary:: Subject regarding alternator mounting bolt tightening torque specifications. *tt
Bulletin:: 136009
Component:: 020000 suspension
Summary:: Severe-service transverse torque rods used on chassis manufactured prior to january 3, 2000 and equipped with mack al suspension. *tt
Bulletin:: PI538
Component:: 061000 engine and engine cooling:engine
Summary:: Subject regarding electronic unit pump hold-down bolt breakage. *tt
Bulletin:: SL008003
Component:: 020000 suspension
Summary:: Subject regarding the essential tool program shipment notice - j44815 - suspension alignment tool. *tt
Bulletin:: 700200021401
Component:: 116200 electrical system:ignition:module
Summary:: Information on flashing the vip using dealer programming v2.1.46. *tt
Bulletin:: SB635006
Component:: 138130 visibility:defroster/defogger system:windshield:controls/wiring
Summary:: Subject regarding the cab heat temperature control water valve. *tt
Bulletin:: 700200033401
Component:: 350000 equipment
Summary:: Mack trucks, inc. recently had the latest version of v-mac computer software support programs shipped to all our distributors and service dealders on the essential tool program. it is version 2.3 and is supplied on a cd-rom. *t
Bulletin:: 200200033402
Component:: 061000 engine and engine cooling:engine
Summary:: Subject regarding main bearing running clearance change. *tt
Bulletin:: 200200035301
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Subject regarding main bearing running clearance. *tt
Bulletin:: 700200033601
Component:: 980000 unknown or other
Summary:: Service engineering has received several reports from dealers in relation to 2000 arkansas best freight model tractors exhibiting an amber malfunction light with active 4-1 fault code set. *tt
Bulletin:: SC261
Component:: 184000 vehicle speed control:springs
Summary:: Mack trucks, inc. has been notified that all electronic throttle pedal assemblies maufactured by felsted products, llc, prior to september 1, 2000, that were used in all mack model chassis manufactured between may 17, 1999 through august 31
Bulletin:: ML210009
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Mack trucks, inc. is notifying rebuilders of renault vi manufactured engines of certain requirements that must be performed during rebuild of certain renault vi engines. engines covered by the agreement are certain renault vi manufactured
Bulletin:: 700200101802
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Information on engine rpm limited to 1850. *tt
Bulletin:: 266014
Component:: 061000 engine and engine cooling:engine
Summary:: J-tech engine brake slave lash adjustment change. *tt
Bulletin:: SB234004
Component:: 063200 engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe
Summary:: Subject regarding muffler-to-vertical exhaust pipe clamp. *tt
Bulletin:: 200200029902
Component:: 062000 engine and engine cooling:cooling system
Summary:: Subject regarding water pump pulley installation. *tt
Bulletin:: 200200027801
Component:: 061000 engine and engine cooling:engine
Summary:: Subject regarding camshaft break-in procedure. *tt
Bulletin:: SB121025
Component:: 161000 structure:frame and members
Summary:: On certain chassis equipped with the al suspension and mack rear axles, cracks may develop in the left rear section of the frame rail, in the area of the frame where the 28-degree frame taper begins. *tt
Bulletin:: PG232002
Component:: 062000 engine and engine cooling:cooling system
Summary:: Some m-e7 engines may experience overheating or coolant loss, attributed to a blocked oil cooler inlet screen. *tt
Bulletin:: PB232001
Component:: 062000 engine and engine cooling:cooling system
Summary:: Subject regardinh the texaco and rotella (shell) extended life coolants. *tt
Bulletin:: PB231001
Component:: 070000 fuel system, gasoline
Summary:: Subject regarding fuel filtering, water separation and fuel heating. *tt
Bulletin:: PB210001
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Addressing a condition known as soot-related oil thickening or sludging in heavy duty diesel engines. *tt
Bulletin:: PB210002
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Subject regarding engine oil analysis-soot specification. *tt
Bulletin:: PB210003
Component:: 062000 engine and engine cooling:cooling system
Summary:: Information regarding test strips for testing glycol and nitrite levels in heavy-duty coolant. *tt
Bulletin:: SB681006
Component:: 162000 structure:body
Summary:: Information pertaining to care and protection of new vehicle paint finishes. *tt
Bulletin:: SB681005
Component:: 160000 structure
Summary:: Information on refinishing cab and sleeper repairs. *tt
Bulletin:: MB221007
Component:: 061000 engine and engine cooling:engine
Summary:: Subject regarding injection timing control inner tone wheel used in the timing advance unit of midr 06.02.26 l510/511, m510/511, l70/711 and m710/711 engines, a redesigned replacement tone wheel is available through the mack parts system.
Bulletin:: SB539001
Component:: 046300 service brakes, air:antilock:wheel speed sensor
Summary:: In certain operating conditions, fault codes for excessive speed sensor air gap / sensour out of adjustment at the rear drive axle may be logged repeatedly on chassis equipped with s440, s441 or s462 rear drive axles. *tt
Bulletin:: SL008005
Component:: 980000 unknown or other
Summary:: Subject regarding essentialtool program shipment notice - amp terminal remover. *tt
Bulletin:: SL210010
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Subject regarding engine horsepower conversion procedures. *tt
Bulletin:: 14179
Component:: 161000 structure:frame and members
Summary:: Some vehicles equipped with the reverse park aid feature (rpa) may exhibit a rpa that emits a solid tone immediately after reverse is engaged. *tt
Bulletin:: SB322018
Component:: 102000 power train:manual transmission
Summary:: Subject regarding t2050 transmission component standardization. *tt
Bulletin:: SB136010
Component:: 020000 suspension
Summary:: Subject regarding maxair 40 air suspension ride height specification change. *tt
Bulletin:: SB471004
Component:: 106100 power train:axle assembly:banjo housing
Summary:: Subject regarding s501 service replacement axle housing change. *tt
Bulletin:: SB471001
Component:: 106100 power train:axle assembly:banjo housing
Summary:: Subject regarding new cast axle housing replacements. *tt
Bulletin:: SB320003
Component:: 102000 power train:manual transmission
Summary:: Subject regarding maxitorque es (t300) vs. t200 series transmissions. *tt
Bulletin:: SB210024
Component:: 062000 engine and engine cooling:cooling system
Summary:: Subject regarding test strips for testing glycol, nitrite and ph levels in heavy-duty coolant. *tt
Bulletin:: SB466003
Component:: 100000 power train
Summary:: Subject regarding friction-modifier additive for interwheel power divider. *tt
Bulletin:: SB471003
Component:: 106100 power train:axle assembly:banjo housing
Summary:: Subject regarding redesigned rear axle housing for chassis equipped with al suspension. *tt
Bulletin:: SB023001
Component:: 020000 suspension
Summary:: This bulletin investigates vibration complaints. *tt
Bulletin:: SB292010
Component:: 181000 vehicle speed control:accelerator pedal
Summary:: Subject regarding improved throttle pedal assembly for all v-mac equipped vehicles. *tt
Bulletin:: SB136010
Component:: 020000 suspension
Summary:: Information pertaining to maxair 40 ride height specification change. *tt
Bulletin:: SL210014
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Subject regarding low nox rebuild kit for mack and renault vi rebult engines. *tt
Bulletin:: 200200112401
Component:: 061000 engine and engine cooling:engine
Summary:: Some united states postal service (usps) vehicles may exhibit a low engine oil pressure condition cause by blockage of the full flow oil filters. *tt
Bulletin:: SB539002
Component:: 046300 service brakes, air:antilock:wheel speed sensor
Summary:: Information on front axle abs wheel speed sensor harness routing. *tt
Bulletin:: SB467002
Component:: 106000 power train:axle assembly
Summary:: Subject regarding rear axle shaft gaskets for vehicles equipped with r series wheel ends. *tt
Bulletin:: SB137011
Component:: 162000 structure:body
Summary:: Subject regarding heavy-duty 44,000 trunnion bracket replacement for all models except ch and cl. *tt
Bulletin:: MB231002
Component:: 072200 fuel system, gasoline:delivery:hoses, lines/piping, and fittings
Summary:: Subject regarding fuel filter change procedures to ensure absolute fuelsystem cleanliness for freedom m, l, xl, and xxl model chassis. *tt
Bulletin:: SB137011
Component:: 161000 structure:frame and members
Summary:: In certain severe application such as coal fields, some refuse and other types of heavyload, on / off road operations, the standard 44,000 lb trunnion brackets may develop cracks in the bottom plate across the bracket on all except ch and c
Bulletin:: SB135007
Component:: 106000 power train:axle assembly
Summary:: Information on adjustable transverse torque rods for mack al suspensions. *tt
Bulletin:: 700200132501
Component:: 103000 power train:automatic transmission
Summary:: Subject regarding vehicle speed sensor (vss) diagnosis for a 4-1 code. *tt
Bulletin:: SL210014
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Subject regarding low nox rebuild kit. *tt
Bulletin:: SB539003
Component:: 046300 service brakes, air:antilock:wheel speed sensor
Summary:: Information on troubleshooting anti-lock brake system (abs) wheel speed sensors using pin-out cable j42883 for all models with abs. *tt
Bulletin:: 200200124701
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Subject regarding j-tech engine brake update. *tt
Bulletin:: SB471001
Component:: 106100 power train:axle assembly:banjo housing
Summary:: Information regarding new cast axle housing replacements. *tt
Bulletin:: SB635006
Component:: 138130 visibility:defroster/defogger system:windshield:controls/wiring
Summary:: Subject regarding all models except le and mr, difficulty adjusting cab heat temperature on chassis equipped with an air conditioning unit may be experienced. *tt
Bulletin:: SB008005
Component:: 116200 electrical system:ignition:module
Summary:: Information regarding v-maciii step 8, mpc v6.1 pcmcia card 801111 or update 801111f. *tt
Bulletin:: SB423001
Component:: 106000 power train:axle assembly
Summary:: Subject regarding o-ring seal - arvinmeritor ff-981 non-driving front axle equipped with unitized wheel hubs. *tt
Bulletin:: SB742002
Component:: 110000 electrical system
Summary:: Information on interference / noise on the am radio band. *tt
Bulletin:: SB292011
Component:: 181000 vehicle speed control:accelerator pedal
Summary:: Subject regarding throttle pedal calibration procedure for vehicles equipped with cummins engines. *tt
Bulletin:: PI544
Component:: 116200 electrical system:ignition:module
Summary:: Subject regarding vehicle electronic control unit (vecu) software upgrade for vehicles equipped with a cummins engine. *tt
Bulletin:: SB735001
Component:: 980000 unknown or other
Summary:: This bulletin states that all trucks pulling an air brake-equipped truck be equipped with a trailer abs malfunction. *aj
Bulletin:: 700200133802
Component:: 110000 electrical system
Summary:: Subject regarding, certain vehicles including the mack freedom m, l, xl, and xxl, cautions about programming. *slc
Bulletin:: SL262001
Component:: 015000 steering:hydraulic power assist system
Summary:: Subject regarding hydraulic accessory systems that can not be powered by the power steering pump. *slc
Bulletin:: SB420001
Component:: 106000 power train:axle assembly
Summary:: Subject regarding axle alignment specifications for all models. *slc
Bulletin:: 200200201401
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Subject regarding high-pressure fuel line leaks at the cylinder head connection area on ccrs engines. *tt
Bulletin:: P1546
Component:: 160000 structure
Summary:: Subject regarding crankcase breather impeller wheel retaining screw torque, freedom chassis model.*jb
Bulletin:: SL323004
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Subject on engine shut down due to speed sensor or temperature sensor failure on chassis equipped with allison hd transmission. *yh
Bulletin:: 200200210901
Component:: 061000 engine and engine cooling:engine
Summary:: Information regarding eup bolt breakage. *yh
Bulletin:: SB135001
Component:: 020000 suspension
Summary:: Subject regarding spring shock insulator, for service use, for all models with ss-sw suspensions. *slc
Bulletin:: SB724006
Component:: 110000 electrical system
Summary:: Subject regarding j1939 overlay harness for service use, regarding all vmac iii models except le and mr. *slc
Bulletin:: SB222009
Component:: 073000 fuel system, gasoline:fuel injection system
Summary:: Information on warrantable repairs of etech pre ccrs fuel injection nozzles, for etech pre ccrs. *slc
Bulletin:: SB222007
Component:: 073000 fuel system, gasoline:fuel injection system
Summary:: Mack truck: subject regarding out of warranty repairs of etech pre ccrs fuel injection nozzles for etech pre ccrs. *sc updated 4/5/10. *pe
Bulletin:: SB471003
Component:: 106000 power train:axle assembly
Summary:: Subject regarding a redesigned rear axle housing for chassis equipped with all suspension. *tt
Bulletin:: SB422006
Component:: 106000 power train:axle assembly
Summary:: Subject regarding shrink-fit wear ring - faw 14.3 front axle. *tt
Bulletin:: SB473001
Component:: 023000 suspension:multiple axle
Summary:: Subject regarding new-style wheel bearing adjusting nut - s440 axle housing and r series wheel ends. *tt
Bulletin:: SB210033
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Subject regarding mack eo-n premium plus high performance diesel engine oil specification. *tt
Bulletin:: SB475004
Component:: 350000 equipment
Summary:: Subject pertaining to power divider lockout sleeve, for all models.*jb
Bulletin:: SL210010
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Subject regarding engine horsepower conversion procedures - all mack diesel engines. nlm
Bulletin:: SB213033
Component:: 980000 unknown or other
Summary:: Information regarding inspection and repair of dislodged h-rings, also applies to mack trucks australia.*jb
Bulletin:: SL213006
Component:: 061000 engine and engine cooling:engine
Summary:: Subject regarding camshaft replacement guidelines. nlm
Bulletin:: P1550
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Subject regarding j-tech actuating pin adjusting scre replacement, engines affected - all e-tech engine modles manufactured etween january 2002 through march 2002 (engine serial nos. 2a0001 through 2d2687). nlm
Bulletin:: SB211007
Component:: 061000 engine and engine cooling:engine
Summary:: Information regarding cylinder sleeve seat repair, also applies to mack trucks australia for aset, etech and e7 models.*jb
Bulletin:: SB135007
Component:: 020000 suspension
Summary:: Subject regarding adjustable transverse torque rods for all macks with al suspension.*jb
Bulletin:: MB221009
Component:: 980000 unknown or other
Summary:: Information regarding timing advance unit replacement guide, mid liner itc2, for midr 06.02.26 models.*jb
Bulletin:: 200200213302
Component:: 980000 unknown or other
Summary:: Information on using care in handling ceramic roller valve lifters.*jb
Bulletin:: SB420001
Component:: 020000 suspension
Summary:: Subject regarding axle alignment specifications - all mack. nlm
Bulletin:: 700200226201
Component:: 353000 equipment:electrical
Summary:: Reprogramming the aset ac engine electronic control unit (ecu). *tt
Bulletin:: 213027
Component:: 061000 engine and engine cooling:engine
Summary:: Valve yoke guide pin, rotator and slave piston spring breakage on engines equipped with j-tech engine brake. *tt
Bulletin:: 221032
Component:: 061000 engine and engine cooling:engine
Summary:: 9-2 fault code diagnostics and repair procedures. *tt
Bulletin:: 422006
Component:: 107000 power train:axle hubs
Summary:: Shrink-fit wear ring. *tt
Bulletin:: 531009
Component:: 040000 service brakes, air
Summary:: Service recommendations for meritor wabco system saver twin air dryers used in bulk unloading applications. *tt
Bulletin:: 200200230502
Component:: 061000 engine and engine cooling:engine
Summary:: Problems of not attaining 1800-1900 rpm in top gear. aset ai vecu reprogramming. *tt
Bulletin:: 000200231001
Component:: 017500 steering:linkages:tie rod assembly
Summary:: Edl tie rod ends campaign sc0270. *tt
Bulletin:: 100200235001
Component:: 020000 suspension
Summary:: Mack camelback spring third leaf failure. *tt
Bulletin:: 200200234301
Component:: 100000 power train
Summary:: Jake brake kit 215sb321 replaces 215sb320 effective 12/02/2002. *tt
Bulletin:: 213027
Component:: 061000 engine and engine cooling:engine
Summary:: Valve yoke guide pin, rotator and slave piston spring breakage - engines equipped with j-tech engine brake. *tt
Bulletin:: 400200313201
Component:: 010000 steering
Summary:: Assembly problem with the steering shaft boot in the firewall on certain granite chassis. *tt
Bulletin:: 400200314301
Component:: 106000 power train:axle assembly
Summary:: Oil leaks at the carrier mounting for d/r 404, 405, and 454 series dana spicer (eaton) rear axles. *tt
Bulletin:: 231009
Component:: 071100 fuel system, gasoline:storage:tank assembly
Summary:: Heavy-duty fuel tank support bracket (j-bracket). *tt
Bulletin:: 137011
Component:: 162000 structure:body
Summary:: Heavy-duty 38,000-lb and 44,000-lb rubber bushed and 44,000-lb bronze bushed trunnion brackets. *tt updated 9/6/08. *pe
Bulletin:: 200200323701
Component:: 061000 engine and engine cooling:engine
Summary:: Vtg turbo actuator flange bolt loosening. *tt
Bulletin:: 559
Component:: 106000 power train:axle assembly
Summary:: Adjustable transverse torque rod pinch bolt torque. cx, ch and cl model chassis manufactured march 18, 2002 through june 25, 2003. *tt
Bulletin:: 121032
Component:: 022130 suspension:rear:springs:air suspension system
Summary:: Suspension crossmembers for ct, ctp, cv, cl and mr models equipped with raydan al460/al520 vocational air suspension. mack. model year unknown. *tt updated on 10/02/07. *nj
Bulletin:: 735002
Component:: 046000 service brakes, air:antilock
Summary:: Mack road stability advantage (bendix abs-6 advanced with esp). mack cxu, cxp, cxn, chu, chn, gu, ct7, ctp. *tt updated on 10/02/07. *nj
Bulletin:: 234014
Component:: 063200 engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe
Summary:: Exhaust pipe flange cracks at turbocharger connection - cxn and chn models equipped with aset ac engines. *nj updated 9/10/08. *pe
Bulletin:: 735003
Component:: 046300 service brakes, air:antilock:wheel speed sensor
Summary:: Brake demand sensor terminal corrosion - bendix abs with mack road stability advantage (rsa). *nj
Bulletin:: SB471008
Component:: 022520 suspension:rear:axle:non-powered axle assembly
Summary:: Mack - replacement axle housings--models equipped with al suspension and mack rear axles. manufactured may 2004 or later. models unknown. *nj
Bulletin:: SB724009
Component:: 121200 exterior lighting:headlights:switch
Summary:: Mack - headlight rocker switch failures--cxn, chn, cx, ch, cv, ct, cl, mr and le (v-mac iii) models. model year unknown. *nj
Bulletin:: SA-214-013
Component:: 061120 engine and engine cooling:engine:gasoline:turbo-charger
Summary:: Mack truck: us '04 mp7 service replacement turbochargers. a cambered vane turbocharger has been released to address high cycle fatigue failure in us '04 mp7 equipped highway chassis. model and model years unknown. *pe
Bulletin:: SB-213052
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack trucks: rocker shaft oil transfer tube installation - mp7 engines. possible to install the rocker shaft oil transfer tube between the engine brake control valve or intermediate section (non-brake engines) and the rocker shaft incorr
Bulletin:: PI 663
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: engine management system (ems) software upgrade - mack mp8 engines. the software includes a reduction in the peak injection pressure. model and model years unknown. *pe
Bulletin:: SB-213-057
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: camshaft wear inspection of engine models mp7, mp8, mp10. *pe
Bulletin:: SB-735-005
Component:: 036100 service brakes, hydraulic:antilock:control unit/module
Summary:: Mack truck: bendix abs ec-60 advanced ecu reprogramming of models cxu, chu, gu. model years unknown. *pe
Bulletin:: SB-21-4058
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack trucks: revised egr mixer inlet tube. premature failure of the egr mixer inlet tube may be experienced on certain mack mp8 engines. model and modely years unknown. *pe
Bulletin:: P-1673
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: unit injector, inlet and exhaust rocker arms, combustion sealing washer and unit injector yoke replacement. model and model years unknown. *pe
Bulletin:: P-1674
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: unit injector, inlet and exhaust rocker arms, combustion sealing washer, unit injector yoke and sleeve replacement. *pe
Bulletin:: SB-723-011
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack trucks: oil seepage at the unit injector harness pass through fitting (located on the timing gear cover on the left hand side of the engine) may be noticed on certain us 04 emission compliant mp7 engines. model and model years unknown
Bulletin:: SB-215-026
Component:: 062000 engine and engine cooling:cooling system
Summary:: Mack trucks: to improve water pump seal life, reduce occurrences of pushing coolant (coolant loss from the surge tank) and reduce cooling system surge noise/vibration (noise and very rapid vibration of upper radiator tube). model and model
Bulletin:: SB-214-062
Component:: 061120 engine and engine cooling:engine:gasoline:turbo-charger
Summary:: Mack trucks: wires within the smart remote actuator connector located on the right hand side of the engine below turbocharger, are subject to vibration during engine operation. can result in terminal fretting. model and model years unknown
Bulletin:: SB-723011
Component:: 061000 engine and engine cooling:engine
Summary:: Mack trucks: oil seepage at the unit injector harness pass through fitting (located on the timing gear cover on the left hand side of the engine) may be noticed on certain us04 emission compliant mp7 engines. model and model years unknown.
Bulletin:: SB-215026
Component:: 062000 engine and engine cooling:cooling system
Summary:: Mack truck: cooling system revisions: thermostat housing consists of two sections (thermostat section and bypass section), with a cast wall separating the two. for the bypass feature to function, there must be a passage through the cast wal
Bulletin:: SB-214062
Component:: 061120 engine and engine cooling:engine:gasoline:turbo-charger
Summary:: Mack: turbocharger smart remote actuator (sra) faults. wires within the smart remote actuator connector located on the right hand side of the engine below the turbocharger, are subject to vibration during engine operation. engine model mp7,
Bulletin:: SP-10687
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack trucks: has authorized replacement of the turbocharger and mounting hardware on certain mp8 engine equipped vehicles. no model or model years listed. *pe
Bulletin:: SP-P10681
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: unit injector sleeve, nbr combustion washer and unit injector yoke upgrade; certain engines may experience combustion leakage at the unit injector sleeve. mack trucks, inc has authorized upgrading of these engines with unit inj
Bulletin:: SP-10682
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: nbr combustion washer and unit injector yoke upgrade. certain mack mp8 engines may experience combustion leakage at the unit injector sleeve. because of this mack trucks, inc. has authorized upgrading these engines with nbr com
Bulletin:: SB-214064
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: discharge recirculation valve (drv) air line service kit 21377589 has been developed for the repair or replacement of drv air line on mack mp7 engines. if the dpf (diesel particulate filter) failed regeneration due to slow t1
Bulletin:: TSB-215-88
Component:: 061000 engine and engine cooling:engine
Summary:: Mack trucks: camshaft sensor replacement. this covers guidelines for replacing the camshaft sensor on the mack mp7, mp8 and mp10 engines. no model years listed. *pe
Bulletin:: PI-0689
Component:: 061000 engine and engine cooling:engine
Summary:: Mack trucks: turbocharger replacement and software update. authorization given to replace the turbocharger and mounting hardware on certain mp10 engine equipped vehicles. approximately 120 vehicles are involved in this campaign. the tur
Bulletin:: SB-420001
Component:: 010000 steering
Summary:: Mack trucks: axle alignment specifications. any adjustments to vehicle alignment require recalibration of the steering angle sensor. all mack model trucks. no model years listed. *pe
Bulletin:: SB-414007
Component:: 013000 steering:gear box (other than rack and pinion)
Summary:: Mack truck: power steering gears are designed to operate at a specific maximum pressure and require a minimum and maximum flow range from the power steering pump. all mack trucks included. no model years listed. *pe
Bulletin:: PI-680
Component:: 118000 electrical system: software
Summary:: Mack truck: engine management system (ems) software upgrade. no models or model years listed. *pe
Bulletin:: PI-677
Component:: 061120 engine and engine cooling:engine:gasoline:turbo-charger
Summary:: Mack truck: turbocharger and turbocharger mounting hardware replacement. mack trucks has authorized replacement of the turbocharger and mounting hardware on certain mp10 engine equipped td model chassis. dealers has list of affected veh
Bulletin:: PI-679
Component:: 073200 fuel system, gasoline:fuel injection system:injectors
Summary:: Mack truck: aftertreatment fuel injector (afi) air purge system kit installation. certain mp10 engine equipped chassis do not include the continuous air purge system for the aftertreatment fuel injector (afi). mack trucks has authorized
Bulletin:: PI-678
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: exhaust manifold gaskets, turbocharger and turbocharger mounting hardware replacement. mp10 engine equipped chassis. no models or model years listed *pe
Bulletin:: SA-732-001
Component:: 118000 electrical system: software
Summary:: Mack truck: the vmac iii vehicles during the course of reprogramming or failures of the vecu experience lost of odometer and engine hours settings. a process has been created to allow the lost data to be reinstalled in the vecu. no mod
Bulletin:: SB-214063
Component:: 061320 engine and engine cooling:engine:other fuel types:turbo-charger
Summary:: Mack truck: new drv air line routing. trucks may develop an oil leak in the turbocharger oil drain tube due to abrasion from the stainless braided drv air line. the stainless braided air supply line to the discharge recirculation valve is
Bulletin:: SB-222017
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: unit injector harness terminal replacement. poor contact between the unit injector male terminals and the harness connector female terminals can result in unit injector faults (sid 1-6, fmi 3 or fmi 5) on mack mp7 (us04 or us0
Bulletin:: SB-234015
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: aftertreatment fuel injector (afi) service-us07 emission compliant mp7 and mp8 engines. aftertreatment fuel injector (afi) mounted to the diffuser pipe at the rear of the turbocharger to raise the temperature inside the diesel
Bulletin:: SB-273013
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: intake air, charge air and turbocharger compressor discharge temperature sensors-aset ac engines. on vehicles equipped with an aset ac engine, temperature sensor part no 64mt450a is used to measure intake air, charge air and tu
Bulletin:: SB-214020
Component:: 061120 engine and engine cooling:engine:gasoline:turbo-charger
Summary:: Mack truck: actions required to avoid repeat turbocharger failures. when replacing a failed turbocharger, it is extremely important that the following actions be performed to avoid a repeat failure: clean oil that accumulated in inlet man
Bulletin:: SB-210045
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: information concerning power take off (pto) installation and operation on chassis equipped with 2007 and later emission compliant mp7 and mp8 engines. no model or model years listed. *pe
Bulletin:: SB-230-256
Component:: 080000 fuel system, diesel
Summary:: Mack truck: air in the fuel system, check. this information covers checking for air in the fuel system on the mack mp7, mp8 and mp10 engines. no model or model years listed. *pe
Bulletin:: SB-258-012
Component:: 092200 fuel system, other:delivery:hoses, lines/piping, and fittings
Summary:: Mack truck: aftertreatment dpf spark assisted system nozzle test. may require a field nozzle test to determine if there is blockage in the nozzle. no model or model years listed. *pe
Bulletin:: SA-531-001
Component:: 125000 exterior lighting:brake lights
Summary:: Mack truck: incorrect auxiliary brake light switch sc333 chassis removal. *pe
Bulletin:: FSB-711-004
Component:: 161000 structure:frame and members
Summary:: Volvo: current crossmember has been experiencing cracks at the rivet holes. *rm
Bulletin:: PI-0710
Component:: 061000 engine and engine cooling:engine
Summary:: Mack trucks: this is a product improvement bulletin regarding new stainless steel sleeve with conical seat arrangement and matching injectors for engines that have experienced failures of copper injector sleeves. *pe
Bulletin:: PI-0769
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Mack truck: updating the latest software for certain mack mp7, mp8, and mp10 engine control modules (ecm) and aftertreatment control modules (acm).
Bulletin:: PI-0771
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: the engine control modules (ecm) aftertreatment control modules (acm) and instrument clusters received the latest software upgrades for certain mack mp7, mp8, and mp10. *pe
Bulletin:: EC-0013
Component:: 063130 engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve)
Summary:: Mack truck: see document search button for owner letter. information regarding recall on trucks experiencing leakage between coolant and exhaust gas path for engine emissions. *pe
Bulletin:: PI-0710
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: a conical seat arrangement and matching injectors was developed as product improvement for new stainless steel sleeve due to engines experiencing failures of previous copper injector sleeves. models mp7, mp8, mp10. no model
Bulletin:: SB-293-11
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: bulletin providing procedure information on egr cooler being pressure tested on the engine and also removed from the engine. no model or model years listed. *pe
Bulletin:: PI-0776
Component:: 061000 engine and engine cooling:engine
Summary:: Mack truck: procedural information regarding the replacement of the double idler gear on certain epa2010 truck. *pe
Bulletin:: PI0777
Component:: 061000 engine and engine cooling:engine
Summary:: Mack: new software has been released for mack mp7 , mp8, and mp10 epa2010 emissions engine control modules (ecm) to prevent flash memory lockup. *js
Bulletin:: EC0013
Component:: 063130 engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve)
Summary:: Mack trucks: emissions recall. the engine exhaust gas recirculation (egr) cooler used on certain model mp8 (model year 2007) engines is experiencing leakage between the coolant and exhaust gas paths inside the cooler. *js
Bulletin:: PI-0785
Component:: 060000 engine (pws)
Summary:: Mack: on certain trucks, a modification for the double idler gear pinning. *pe
Bulletin:: FSB-258-033
Component:: 061120 engine and engine cooling:engine:gasoline:turbo-charger
Summary:: Mack trucks: engine tubocharger compressor bypass valve, airline routing. this document covers the procedure for routing the flexible air line around the front of the engine if the existing steel air line fail. *js
Bulletin:: EC-0014
Component:: 060000 engine (pws)
Summary:: Mack truck: see document search button for owner letter. certain model engines, the emissions label are incorrect, not meeting california requirements, but only meeting us epa emission requirements. model 2010-2012 mp7 and mp8. *pe
Bulletin:: FSB-293-012
Component:: 060000 engine (pws)
Summary:: Mack: the old drain tube, with p-clamp, will be discarded due to replacement and the installation of new egr valves that do not require drain tubes for engines. models mp7, mp8, mp10. no model years listed. *pe
Bulletin:: PI-0827
Component:: 020000 suspension
Summary:: Mack: information concerning the replacement procedure of the plate and spring seat. *js
Bulletin:: FSB-221-011
Component:: 060000 engine (pws)
Summary:: Mack: on certain trucks, diagnostic trouble codes (dtcs) pid 100 fm1, spn 100 fmi 1 or p252400, are logged during long hard pull conditions, with or without engine shut down lamp. model 2007-2013 titan. *pe
Bulletin:: PI-0824
Component:: 060000 engine and engine cooling
Summary:: Mack: information concerning authorization for the replacement of the egr cooler outlet coolant hose assembly involving vehicles built between 03/10/2010 and 01/23/2013 with mack mp10 us2010 engines. *js
Bulletin:: PI-0822
Component:: 118000 electrical system: software
Summary:: Mack: information concerning transmission ecu software update for obd2013, mp7, mp8 chu, and cxu. *js
Bulletin:: PI-0829
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Mack: information concerning the exhaust band clamps and heat shield fasteners that were not torqued correctly. this bulletin provides the proper procedure for chu,cxu, and td vehicles built between june 28,2013 and july 23,2013. *js
Bulletin:: FSB-284-046
Component:: 070000 fuel system, gasoline
Summary:: Mack: the parameter aiz (us2010) or p1i15 (obd2013) default setting may need to be adjusted in order to improve the instrument cluster fuel. *js
Bulletin:: PI-0836
Component:: 160000 structure
Summary:: Mack: some vehicles require the carrier inspection cover to be replaced. the molding flash has cut into the o-ring resulting in leakage. models chu, cxu, gu, leu, mru, td no model years were replaced. *js
Bulletin:: PI-0840
Component:: 060000 engine (pws)
Summary:: Mack: some vehicles require software updates for the engine control module (ecm). the updates concern the piston cooling jet (pcj) diagnostic fault logic and regeneration in cold climates. models include obd2013, mp7, mp8, mp10,chu, cxu, gu
Bulletin:: FSB-293-024
Component:: 060000 engine (pws)
Summary:: Mack: some vehicles require the replacement of the exhaust gas recirculation (egr) differential pressure sensor. the kit to update the system will contain the new type of sensor and a crimped in pigtail. applies to mack vehicles built betw
Bulletin:: FSB-371-046
Component:: 160000 structure
Summary:: Mack: the frame rail ground stud may have been torqued improperly. this can cause the corrosion inhibitor to get between the ring terminals. applies to models chu, cxu, gu, td produced between 01/01/2010 and 10/7/2013. *js
Bulletin:: FSB-371-047
Component:: 114000 electrical system:wiring
Summary:: Mack: information concerning rerouting the red power wires in order not to cause chafing. applies to chu, cxu, gu, and td built between 01/01/07 and 10/22/13. *js
Bulletin:: FSB-846-002
Component:: 135000 visibility:rearview mirrors/devices
Summary:: Mack: information concerning aero mirror vibration. installing four (4) clips to the back of each mirror will lessen the vibration. models include chu, cxu, gu, and td. no model years provided. *js
Bulletin:: FSB-722-002
Component:: 030000 brakes (pws)
Summary:: Mack: there maybe interference between the brake lining and the spring cap on trucks with 203 mm rear drum brakes and camelback rear suspension. there are no signs of interference on the spring cap. models in chu, cxu, gu, td, leu, mru buil
Bulletin:: PI-0843
Component:: 180000 vehicle speed control
Summary:: Mack: some vehicles may have an incorrect parameter setting for the vehicle speed source(azi). this could cause the park brake alert, inter wheel diff lock, speedometer and vecu to all malfunction. *js
Bulletin:: PI-0844
Component:: 030000 brakes (pws)
Summary:: Mack: there is a new pressure reduction valve to replace the current inversion valve in some mack leu trucks built between 08/15/2012-11/05/2012. *js
Bulletin:: FSB-254-005
Component:: 060000 engine (pws)
Summary:: Mack: there has been newly released updated atomization modules in order to improve reliability and function. *js
Bulletin:: 386-009-01
Component:: 118000 electrical system: software
Summary:: Mack trucks, inc.: field service bulletin trucks: the coolant level sensor on some mack cabover trucks built between 10/04/2008 - 2/20/2015 may fail internally. ccolant sensor to be replaced with part#22312907. *lj
Bulletin:: 722-003-01
Component:: 020000 suspension
Summary:: Mack trucks inc.: field service bulletin trucks: the twin y suspension, air spring requires replacement on some mack trucks built between 3/30/2015 on certain applications chu, cxu, gu,td. *lj
Bulletin:: FSB 431-011
Component:: 160000 structure
Summary:: T300 compound countershaft design.
Bulletin:: FSB261-038
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Mounted exhaust bracket, replacement.
Bulletin:: FSB 234-014
Component:: 070000 fuel system, gasoline
Summary:: Fuel tank ventilation filter kits for increased protection against fuel injector tip erosion.
Bulletin:: FSB 364-035
Component:: 126200 exterior lighting:turn signal:switch
Summary:: To address concerns of improper self cancelling turn signal switch operation due to contact between the switch fingers and steering shaft, mack has developed a new switch mounting bracket.
Bulletin:: FSB 221-009
Component:: 060000 engine (pws)
Summary:: Hose, engine oil fill tube, may exhibit minor oil seepage from the engine oil filler tube hose or display stress cracks in the hose.
Bulletin:: FSB 813-001
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Exhaust mounting reinforcement, to address concerns of b-pillar cracks forming at the upper exhaust mounting on certain mack chu vehicles, a new reinforcement has been developed which improves the durability of the b-pillar.
Bulletin:: FSB 237-018
Component:: 060000 engine (pws)
Summary:: In the event that a single injector failure or an engine stumble under load is experienced on an obd2013 mp8 engine with a vehicle build date before may 5, 2013 (engine serial number clean point 1027921), all six injectors are required to b
Bulletin:: FSB 215-003
Component:: 060000 engine (pws)
Summary:: Timing plate flange screw. an improved flange screw with pre-applied locking compound (patch-lock) was introduced in production on april 27, 2015 for mack mp8 engines.
Bulletin:: FSB 722-003
Component:: 020000 suspension
Summary:: "the unwarranted errormessages ""hybrid system fault"" and ""reduced engine power"" can appear sporadically in the instrument cluster on the affected vehicles under certain driving conditions because the diagnostic function for the hybrid d
Bulletin:: FSB 383-002
Component:: 117000 digital instrument panel
Summary:: Speedometer, replacement. to ensure the proper installation of new speedometer (part number 85144379) when replacing old speedometer (part number 25165963), you must follow the installation, calibration, and validation procedures outlined
Bulletin:: FSB 261-037
Component:: 062000 engine and engine cooling:cooling system
Summary:: Low coolant light. some mack model trucks equipped with cummins engine may show the low coolant light on the dash or have a mid-level coolant diagnostic trouble code (dtc) logged in the engine ecu. certain driving conditions can trigger th
Bulletin:: FSB 284-039
Component:: 060000 engine (pws)
Summary:: Engine ecm reprogramming, diagnostic trouble code
Bulletin:: FSB 284-040
Component:: 118000 electrical system: software
Summary:: Engine control module (ecm) software update, diagnostic trouble code
Bulletin:: FSB 431-003
Component:: 100000 power train
Summary:: Range clutch synchronizer, improve durability
Bulletin:: FSB 431-004
Component:: 100000 power train
Summary:: Transmission synchronizer warrantable, new repair kit
Bulletin:: PI0817
Component:: 118000 electrical system: software
Summary:: Software update
Bulletin:: FSB 811-007
Component:: 060000 engine (pws)
Summary:: Certain mru vehicles built with cummins natural gas engines may experience contact between the cab body and engine.
Bulletin:: PI 0822
Component:: 118000 electrical system: software
Summary:: This software update has been released to resolve issues for loss of calibration and the ability to enable single pto functionality.
Bulletin:: FSB 413-003
Component:: 100000 power train
Summary:: The air operated clutch assist system was designed to reduce clutch pedal effort by approximately 20%, along with reducing the clutch pedal travel by 2" (50.8 mm).
Bulletin:: FSB 237-019
Component:: 073200 fuel system, gasoline:fuel injection system:injectors
Summary:: "aftermarket injector strategy, effective september 15, 2014, two aftermarket strategies have been developed to improve injector repairs. based on vehicle data and repair history, technicians will be directed to follow the appropriate repa
Bulletin:: FSB 252-034
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Cab mounted exhaust bracket, replacement. gu mack models equipped with cab mounted exhaust may experience excessive vibration in the cab. in most cases, this is caused by a worn bushing in the cab mounted exhaust bracket. the bushing size
Bulletin:: FSB 432-013
Component:: 103000 power train:automatic transmission
Summary:: Amt high range cone replacement. this document provides the recommended procedure for replacing the high range section of the mdrive transmission including the high range cone.
Bulletin:: FSB 891-017
Component:: 160000 structure
Summary:: Certain chu, cxu, gu, and td vehicles may experience issues with excessive door glass soiling.
Bulletin:: PI0820
Component:: 060000 engine (pws)
Summary:: Certain leu vehicles may have been assembled using the incorrect grade and/or length of bolts in the front engine mount for both the left and right side of the vehicle.
Bulletin:: PI0821
Component:: 060000 engine (pws)
Summary:: Certain mru vehicles may have been assembled using the incorrect grade and/or length of bolts in the front engine mount for both the left and right side of the vehicle.
Bulletin:: SB 237-60
Component:: 350000 equipment
Summary:: Unit injector and sleeve, replacement (conical)
Bulletin:: PI 0818
Component:: 120000 lighting (pws)
Summary:: The installed drl module is not adequate to support led headlamps.
Bulletin:: PI0817
Component:: 118000 electrical system: software
Summary:: Software updates with enhancements are available for the engine control module (ecm), instrument cluster (ic), vehicle electronic control unit (vecu), aftertreatment control module (acm) and transmission electronic control unit (tecu), if e
Bulletin:: FSB 293-024
Component:: 060000 engine (pws)
Summary:: "exhaust gas recirculation (egr) differential pressure sensor. on mack vehicles equipped with a mack mp8 engine built between january 1, 2007 and january 1, 2013 that require the replacement of the egr venturi tube or an egr differential
Bulletin:: FSB 293-026
Component:: 060000 engine (pws)
Summary:: "exhaust gas recirculation (egr) differential pressure sensor. on mack vehicles equipped with a mack mp10 engine built between january 1, 2007 and january 1, 2013 that require the replacement of the egr venturi tube or an egr differential
Bulletin:: FSB 284-059
Component:: 118000 electrical system: software
Summary:: Nox sensor signal. diagnostic trouble code (dtc) p2201-64 has been reported on obd2015 (model year 2016) trucks. if p2201-64 has been triggered, first check software levels before performing any troubleshooting. if the engine ecu main soft
Bulletin:: FSB 210-045
Component:: 060000 engine (pws)
Summary:: Regeneration in pto mode. when a vehicle is being operated in pto mode and a diesel particulate filter (dpf) regeneration is commanded (either automatically or manually), the engine must be run at a speed above the minimum speeds listed in
Bulletin:: FSB 222-004
Component:: 060000 engine (pws)
Summary:: Oil filter housing. the introduction of a new style oil filter housing requires replacement of the oil cooler inlet pipe when replacing the previous style housing on us2010 and us2014 emission mack mp8 engines. installation procedures rema
Bulletin:: FSB 811-007
Component:: 060000 engine (pws)
Summary:: Certain mru vehicles built with cummins natural gas engines may experience contact between the cab body and engine.
Bulletin:: FSB 258-035
Component:: 063000 engine and engine cooling:exhaust system
Summary:: "aftertreatment diesel exhaust fluid, (def) tank vent filter. mack trucks has introduced a def tank vent filter kit designed for use in harsh, abrasive and dirty environments. this filter should be replaced when the vehicle air filter is r
Bulletin:: FSB 258-036
Component:: 110000 electrical system
Summary:: Def sensor assembly routing. new routing and clipping changes have been implemented for all vehicles assembled after january 5, 2015 in regards to the def sensor assembly. the new assembly wire is much stiffer which requires re-routing to
Bulletin:: FSB 873-015
Component:: 353600 equipment:air conditioner
Summary:: Certain chu, cxu, gu, and td vehicles may experience issues with premature blower motor failure due to excessive moisture in the climate unit.
Bulletin:: FSB 655-001
Component:: 161000 structure:frame and members
Summary:: It has been discovered on refuse vehicles equipped with primaax® suspensions that the bump stops may shear away from the frame under certain conditions.
Bulletin:: FSB 215-002
Component:: 060000 engine (pws)
Summary:: Timing plate leak repair. oil leaks have been observed coming from the area that is at the rear of the engine, just under the lip of the valve cover, on the right side (exhaust side). it is typically seen as seeping, weeping, leaking oil a
Bulletin:: FSB 262-005
Component:: 062000 engine and engine cooling:cooling system
Summary:: Coolant bypass housing seal. if a coolant leak at the coolant bypass housing exists on a vehicle equipped with a mack us07 mp8 engine, a revised housing seal (part number 21298915) having a shorter locating tab and a new coolant bypass hou
Bulletin:: PI 0851
Component:: 060000 engine (pws)
Summary:: Mack trucks has authorized replacement of the egr cooler coolant return hose on vehicles built between 01/01/2010 and 05/16/2014 with mack mp10 us2010 or mp10 us2014 engines. approximately 302 vehicles are involved in this campaign. the egr
Bulletin:: FSB 234-018
Component:: 071100 fuel system, gasoline:storage:tank assembly
Summary:: Mack trucks has introduced a new fuel tank ventilation filter mounting sleeve (part number 21043123) that mounts on the outside of the frame rail using the fuel tank j bracket huck fasteners. the fuel tank vent filter has been implemented f
Bulletin:: FSB 234-019
Component:: 071200 fuel system, gasoline:storage:auxillary tank
Summary:: Mack trucks has introduced a new fuel tank ventilation filter mounting sleeve (part number 21043123) that mounts on the outside of the frame rail using the fuel tank j bracket huck fasteners. the fuel tank vent filter has been implemented f
Bulletin:: FSB 851-009
Component:: 162300 structure:body:door
Summary:: "peep window molding, repair. on some mack trucks, the peep window molding is separating from the hinges and falling away from the door. to prevent the peep window molding from falling away from the door, six point socket screw (part numbe
Bulletin:: FSB 254-007
Component:: 110000 electrical system
Summary:: Spark assist to catalyzed dpf, certain applications for leu and mru chassis lend themselves to having good dpf regeneration properties with catalyzed type systems similar to the system used in conventional chassis.
Bulletin:: FSB 712-001
Component:: 160000 structure
Summary:: On some mack gu trucks may experience cracks in the driver's side (left side), forward, upper frame flange area. mack trucks has improved the design of the frame reinforcement plates. if cracks appear, frame reinforcements are available for
Bulletin:: FSB 432-014
Component:: 103000 power train:automatic transmission
Summary:: Transmission ecu compatibility. the current transmission ecu (tecu) hardware for the mdrive transmission used in the us2010 emissions, obd2013 and newer vehicles in north america is the same part number (21484418). the software that is pro
Bulletin:: FSB 254-005
Component:: 110000 electrical system
Summary:: Atomization module update, mack trucks inc. has released new updated atomization modules, part numbers 22258878 and 22258875, to improve reliability.
Bulletin:: FSB 284-046
Component:: 117000 digital instrument panel
Summary:: Instrument cluster reported fuel economy calibration, to improve the accuracy to the instrument cluster reported fuel economy it has been determined that parameter aiz (us2010) or p1i15 (obd2013) default setting may need adjustment.
Bulletin:: PI 0840
Component:: 118000 electrical system: software
Summary:: Engine control module (ecm) software update, software updates with enhancements are available for the engine control module (ecm) software updates address the following. ' piston cooling jet (pcj) diagnostic fault logic ' regenerations in c
Bulletin:: FSB 846-002
Component:: 135200 visibility:rearview mirrors/devices:exterior
Summary:: Aero mirror vibration, certain chu, cxu, gu, and td vehicles, may experience issues with aero mirror glass vibration when the vehicle is in operation. installing four (4) clips to the back of each mirror glass can help address concerns of e
Bulletin:: FSB 293-024
Component:: 060000 engine (pws)
Summary:: Egr differential pressure sensor, on mack vehicles built between january 1, 2007 and january 1, 2013 that require the replacement of the egr venturi tube or an egr differential pressure sensor, it will be necessary to replace them with a k
Bulletin:: FSB 221-010
Component:: 060000 engine (pws)
Summary:: Diagnostic trouble codes (dtcs), low oil
Bulletin:: FSB 873-020
Component:: 353600 equipment:air conditioner
Summary:: Hvac flange, installation, chu, cxu, gu, td
Bulletin:: FSB 431-011
Component:: 160000 structure
Summary:: T300 compound countershaft design
Bulletin:: SC0403
Component:: 020000 suspension
Summary:: Interaxle yoke retaining nut recall
Bulletin:: FSB 261-038
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Mounted exhaust bracket, replacement
Bulletin:: FSB 215-001
Component:: 060000 engine (pws)
Summary:: If an intake rocker fails on a vehicle built from april 2013 to august 2013, all six intake rockers must be replaced along with the failed camshaft. investigation has found that poor adhesion of the pvd coating used on the roller pin was th
Bulletin:: FSB 252-029
Component:: 060000 engine (pws)
Summary:: Some mack mru trucks equipped with the cummins isl-g engine built before september 16, 2013 may experience a issue with the muffler inlet pipe falling out of the muffler.
Bulletin:: FSB 254-006
Component:: 350000 equipment
Summary:: A coalescing air filter kit has been developed to improve the expected life of the atomization module in spark assisted diesel particulate filter systems used in us2010 mru and leu chassis.
Bulletin:: FSB 861-005
Component:: 160000 structure
Summary:: To reduce the cost associated with bumper replacement due to chrome trim peel, new service kits are now available.
Bulletin:: FSB 873-018
Component:: 353600 equipment:air conditioner
Summary:: Certain leu vehicles may experience issues with water buildup inside the reddot roof mounted a/c units due to improper condensation drainage.
Bulletin:: FSB 726-001
Component:: 022130 suspension:rear:springs:air suspension system
Summary:: Rear axle seat, replacement, vibration
Bulletin:: FSB 514-001
Component:: 030000 brakes (pws)
Summary:: Brake s-cam, replacement, (steer axle)
Bulletin:: PI 0867
Component:: 117000 digital instrument panel
Summary:: Instrument cluster reprogramming (mid 140)
Bulletin:: FSB 491-030
Component:: 060000 engine (pws)
Summary:: Oil cooler line, installation
Bulletin:: FSB 491-031
Component:: 060000 engine (pws)
Summary:: Oil cooler line, installation
Bulletin:: FSB 431-011
Component:: 160000 structure
Summary:: T300 compound countershaft design
Bulletin:: FSB 263-039
Component:: 060000 engine (pws)
Summary:: Vehicles built before january 6, 2014 equipped with the hdms cool logic engine cooling fan drive may experience a fluid leak from the rear of the drive.
Bulletin:: FSB 873-016
Component:: 350000 equipment
Summary:: Some mack sleeper models may experience issues with fluctuation of bunk limate unit air temperature. the fluctuation may be the result of constant movement of the blend air door.
Bulletin:: FSB 257-003
Component:: 062000 engine and engine cooling:cooling system
Summary:: Crankcase ventilation tube heater. for customer operating vehicles in extreme cold temperatures, mack trucks has developed a device that will prevent the crankcase ventilation (ccv) tube from building up ice and freezing over which could l
Bulletin:: PI 0837
Component:: 060000 engine (pws)
Summary:: Software updates with enhancements are available for the engine control module (ecm) for mack mp7, mp8 and mp10 engines with us2014 emission level on vehicles built before february 7, 2014. software updates address the following. ' regenera
Bulletin:: FSB 722-006
Component:: 020000 suspension
Summary:: Twin-y suspension, u-bolt, replacement. for mack service centers or dealers who are not equipped with huck bolt tools, use u-bolt (part number 21759985) and nut (part number 947971) when replacing the current twin-y suspension u-bolt.
Bulletin:: FSB 080-001
Component:: 353000 equipment:electrical
Summary:: 9998596 breakout harness. certain breakout harnesses (later version of tool number 9998596 with five pairs of connectors) may have been assembled incorrectly during manufacturing. in some cases there may be an open circuit or mismatch betw
Bulletin:: PI 0839
Component:: 060000 engine (pws)
Summary:: Software updates with enhancements are available for the engine control module (ecm), aftertreatment control module (acm) and transmission electronic control unit (tecu), if equipped, for mack vehicles equipped with mack mp7, and mp8 engine
Bulletin:: FSB 293-024
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Exhaust gas recirculation (egr) differential pressure sensor, on mack vehicles built between january 1, 2007 and january 1, 2013 that require the replacement of the egr venturi tube or an egr differential pressure sensor, it will be necessa
Bulletin:: FSB 293-023
Component:: 063000 engine and engine cooling:exhaust system
Summary:: On mack vehicles built between january 1, 2007 and january 1, 2013 that require the replacement of the egr venturi tube or an egr differential pressure sensor, it will be necessary to replace them with a kit to update the system to the curr
Bulletin:: FSB 284-038
Component:: 118000 electrical system: software
Summary:: Engine coolant thermostat software update, diagnostic trouble code may display incorrectly.
Bulletin:: PI 0767
Component:: 020000 suspension
Summary:: Slack adjuster control arm, possible articulation interference with suspension walking beam.
Bulletin:: PI 0815
Component:: 020000 suspension
Summary:: It has been discovered on certain mack trucks that bolts are loose or incorrectly torqued on the primaax suspension.
Bulletin:: FSB 221-009
Component:: 060000 engine (pws)
Summary:: Certain mack mru and leu trucks equipped with cummins isl-g engines built before february 11, 2013 may exhibit minor oil seepage from the engine oil filler tube hose or display stress cracks in the hose.
Bulletin:: PI 0812
Component:: 020000 suspension
Summary:: It has been determined that certain vehicles built with maxlite suspensions and mgm ltr-l3 brake chambers interference can occur during suspension articulation between the brake chamber and the suspension adjustment washer.
Bulletin:: PI 0827
Component:: 020000 suspension
Summary:: A number of pre production vehicles have been built equipped with the twin y air suspension. upon review of these vehicles it has been determined that some have defective bushings within the top plate and spring seat.
Bulletin:: FSB 511-001
Component:: 010000 steering
Summary:: It has been reported from the field since the release of the new stopping distance brake packages on 07/01/2011 that steer axle brake noise may present itself after a period of time.
Bulletin:: FSB 293-022
Component:: 060000 engine (pws)
Summary:: In the event that an egr temperature sensor replacement is required on a mack mp8 us2010 emissions engine, a new routing configuration is required.
Bulletin:: PI 0822
Component:: 118000 electrical system: software
Summary:: This software update has been released to resolve issues for loss of calibration and the ability to enable single pto functionality.
Bulletin:: FSB 413-002
Component:: 100000 power train
Summary:: The air operated clutch assist system was designed to reduce clutch pedal effort by approximately 20%, along with reducing the clutch pedal travel by 2" (50.8 mm). this system provides more leg and knee room for the operator and increases o
Bulletin:: FSB 255-025
Component:: 060000 engine (pws)
Summary:: Turbocharger reorientation. due to part number reduction, when replacing the turbocharger on mack leu and mru vehicles with mp7 and mp8 engines the turbocharger compressor housing must be reoriented to align with the charge air cooler pipe
Bulletin:: FSB 222-004A
Component:: 060000 engine and engine cooling
Summary:: Oil filter housing. the introduction of a new style oil filter housing requires replacement of the oil cooler inlet pipe when replacing the previous style housing on us2010 and us2014 emission mack mp8 engines with an engine serial number
Bulletin:: FSB 233-006
Component:: 060000 engine (pws)
Summary:: Engine fuel filters. engine fuel filters (part number 21380521) with date codes '15_8' (august, 2015) and '15_9' (september, 2015) should not be installed on an engine without first being inspected (the date code is marked on the outside o
Bulletin:: FSB 257-003A
Component:: 063110 engine and engine cooling:exhaust system:emission control:crankcase (pcv)
Summary:: Crankcase ventilation tube heater. for customer operating vehicles in extreme cold temperatures, mack trucks has developed a device that will prevent the crankcase ventilation (ccv) tube from building up ice and freezing over which could l
Bulletin:: FSB 722-006A
Component:: 020000 suspension
Summary:: Twin-y suspension, u-bolt, replacement. for mack service centers or dealers who are not equipped with huck bolt tools, use u-bolt (part number 21759985) and nut (part number 947971) when replacing the current twin-y suspension u-bolt.
Bulletin:: FSB 512-002
Component:: 040000 service brakes, air
Summary:: It has been reported in the field that the bendix air disc brake may exhibit a thermal overload condition.
Bulletin:: FSB 831-002
Component:: 162300 structure:body:door
Summary:: Certain chu, cxu, gu, and td vehicles may experience issues with door stop bracket failure due to door over extension.
Bulletin:: PI 0827
Component:: 020000 suspension
Summary:: A number of vehicles have been built equipped with the twin y air suspension. upon review of these vehicles it has been determined that some have defective bushings within the top plate and spring seat.
Bulletin:: FSB 210-001
Component:: 060000 engine (pws)
Summary:: Engine data label, ordering
Bulletin:: FSB 818-016
Component:: 160000 structure
Summary:: Vehicles may experience cab sway
Bulletin:: PI 0799
Component:: 350000 equipment
Summary:: Cam tube support brackets were not installed at the factory
Bulletin:: PI 0810
Component:: 060000 engine (pws)
Summary:: Engine control module (ecm) software update, enhancements to the fan function
Bulletin:: PI 0804
Component:: 060000 engine (pws)
Summary:: "aftertreatment selective catalytic reduction, t-bolt retainer on the scr strap requires replacement." rev
Bulletin:: FSB 293-012
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Exhaust gas recirculation (egr) valve upgrade
Bulletin:: SNM 11-09A
Component:: 063130 engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve)
Summary:: Egr delta p ports, servicing guidance
Bulletin:: FSB 293-016
Component:: 063130 engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve)
Summary:: Exhaust gas recirculation (egr) valve upgrade
Bulletin:: FSB 293-017
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Exhaust gas recirculation (egr) valve upgrade
Bulletin:: PI 0815
Component:: 020000 suspension
Summary:: It has been discovered on certain mack trucks that bolts are loose or incorrectly torqued on the primaax suspension.
Bulletin:: FSB 221-010
Component:: 060000 engine (pws)
Summary:: During long hard pull conditions, diagnostic trouble codes (dtc's) spn 100 fmi 1 can log on certain cxu, gu, leu, and mru mack trucks with mp7 epa2010 engines.
Bulletin:: FSB 364-036
Component:: 120000 lighting (pws)
Summary:: Mack is removing the flasher 20971013 from production and the aftermarket due to the durability issues of the flasher.
Bulletin:: FSB 413-001
Component:: 100000 power train
Summary:: Some mack conventional cab trucks equipped with air assisted clutch cable part number 21088848 may experience fraying of the clutch cable at the clevis where it attaches to the clutch pedal linkage.
Bulletin:: FSB 873-015
Component:: 060000 engine (pws)
Summary:: Certain chu, cxu, gu, and td vehicles may experience issues with premature blower motor failure due to excessive moisture in the climate unit.
Bulletin:: PI 0823
Component:: 160000 structure
Summary:: Certain cxu vehicles may have been assembled without the chassis fairing skirt installed.
Bulletin:: FSB 234-014
Component:: 071100 fuel system, gasoline:storage:tank assembly
Summary:: Fuel tank ventilation filter kits for increased protection against fuel injector tip erosion.
Bulletin:: FSB 364-035
Component:: 126200 exterior lighting:turn signal:switch
Summary:: To address concerns of improper self cancelling turn signal switch operation due to contact between the switch fingers and steering shaft, mack has developed a new switch mounting bracket.
Bulletin:: FSB 221-009
Component:: 060000 engine (pws)
Summary:: Hose, engine oil fill tube, may exhibit minor oil seepage from the engine oil filler tube hose or display stress cracks in the hose.
Bulletin:: FSB 813-001
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Exhaust mounting reinforcement, to address concerns of b-pillar cracks forming at the upper exhaust mounting on certain mack chu vehicles, a new reinforcement has been developed which improves the durability of the b-pillar.
Bulletin:: FSB 237-018
Component:: 060000 engine (pws)
Summary:: In the event that a single injector failure or an engine stumble under load is experienced on an obd2013 mp8 engine with a vehicle build date before may 5, 2013 (engine serial number clean point 1027921), all six injectors are required to b
Bulletin:: FSB 820-002
Component:: 020000 suspension
Summary:: To address complaints of short service life of hood shocks on cxu model trucks built prior to april 1, 2013, mack has released a new shock with protective boot.
Bulletin:: FSB 820-003
Component:: 020000 suspension
Summary:: To address complaints of short service life of hood shocks on chu model trucks built prior to april 1, 2013, mack has released a new shock with protective boot.
Bulletin:: FSB 284-045
Component:: 060000 engine (pws)
Summary:: Engine control module (ecm) software update
Bulletin:: FSB 284-046
Component:: 117000 digital instrument panel
Summary:: To improve the accuracy to the instrument cluster reported fuel economy it has been determined that parameter aiz (us2010) or p1alz (obd2013) default setting may need adjustment.
Bulletin:: FSB 252-029
Component:: 060000 engine (pws)
Summary:: Some mack leu and mru vehicles equipped with the cummins isl-g engine built before september 16, 2013 may experience an issue with the muffler inlet pipe falling out of the muffler.
Bulletin:: PI 0828
Component:: 118000 electrical system: software
Summary:: Software updates with enhancements to peak cylinder pressure (pcp) balance capabilities are available for the engine control module (ecm) on mack td vehicles equipped with mp10 engine and us07 emissions.
Bulletin:: MC-QUALITYALERT
Component:: 200000 wheels
Summary:: Suspect attachment weld between rim and disc components
Bulletin:: FSB 293-012
Component:: 060000 engine (pws)
Summary:: Exhaust gas recirculation, part update, improvements
Bulletin:: PI 0804
Component:: 060000 engine (pws)
Summary:: Aftertreatment selective catalytic reduction, t-bolt retainer on the scr strap requires replacement.
Bulletin:: MC-QUALITYALERT2
Component:: 160000 structure
Summary:: Potential incomplete fusion between disc and rim affecting tractor applications
Bulletin:: PI 0798
Component:: 020000 suspension
Summary:: Slack adjuster, replacement (shock absorber interference)
Bulletin:: FSB 284-038
Component:: 118000 electrical system: software
Summary:: Engine coolant thermostat software update, diagnostic trouble code not working correctly.
Bulletin:: FSB 761-002
Component:: 021300 suspension:front:shock absorber
Summary:: "volvo vn, vah, vhd, and vt trucks require a visual shock absorber inspection during regular maintenance schedules. the visual inspection will include checking the shock absorber for leakage, any irregularities, or worn shock bushings. duri
Bulletin:: FSB 761-002
Component:: 021300 suspension:front:shock absorber
Summary:: Mack chu, cxu, gu, leu, lr, mru, and td trucks require a visual shock absorber inspection during regular maintenance schedules. the visual inspection will include checking the shock absorber for leakage, any irregularities, or worn shock bu
Bulletin:: FSB 728-002
Component:: 020000 suspension
Summary:: On all mack trucks equipped with electronically controlled suspension (ecs) the level sensor arm may break causing the ecs system to fail.
Bulletin:: PI 0874
Component:: 118000 electrical system: software
Summary:: On certain mack trucks built with compressed natural gas engine (cng) or liquid natural gas (lng) there could be no warnings, pop-ups or icons for any fault from the engine. this is due to an instrument cluster software issue.
Bulletin:: FSB 271-003
Component:: 181000 vehicle speed control:accelerator pedal
Summary:: A new optional accelerator pedal is available and can be retrofitted to adapt to customer preferences. follow the instructions outlined in this field service bulletin (fsb) to retrofit the optional accelerator pedal.
Bulletin:: FSB 293-024
Component:: 060000 engine (pws)
Summary:: Exhaust gas recirculation (egr) differential pressure sensor, on mack vehicles equipped with a mack mp8 engine built between january 1, 2007 and january 1, 2013 that require the replacement of the egr venturi tube or an egr differential pre
Bulletin:: FSB 431-011
Component:: 356000 equipment adaptive
Summary:: T300 compound countershaft design
Bulletin:: FSB 262-005
Component:: 060000 engine and engine cooling
Summary:: Coolant bypass housing seal. if a coolant leak at the coolant bypass housing exists on a vehicle equipped with a mack us07 mp8 engine, a revised housing seal (part number 21298915) having a shorter locating tab and a new coolant bypass hou
Bulletin:: FSB 846-003
Component:: 135000 visibility:rearview mirrors/devices
Summary:: On some lr models with aftermarket bodies, the aftermarket body may impact the a-pillar mounted passenger side mirror. this is due to the geometry of the mirror support arm.
Bulletin:: FSB 465-003rev
Component:: 013000 steering:gear box (other than rack and pinion)
Summary:: Effective september 2016, a revised composite bevel gear compartment cover and steel threaded fill plug with face-mounted o-ring was implemented into production for mack crd202/203, crd150/151, and crd125/126 carriers.
Bulletin:: FSB 846-003rev
Component:: 060000 engine (pws)
Summary:: Mack trucks has determined that certain 2013 through 2015 year model chu, cxu, gu and mru trucks equipped with a mp8 model engine may be equipped with an improperly functioning on-board emission-related diagnostic system.
Bulletin:: K65095713
Component:: 356000 equipment adaptive
Summary:: On 14 august 2017 a new pto solenoid for the amt has been released to address issues with breakage when mounting dual solenoids. the dual pto solenoid set up cannot be mounted on this new bracket without modifications.
Bulletin:: K26817710
Component:: 353600 equipment:air conditioner
Summary:: For a mack chassis equipped with a behr hvac unit, damage to the connectors and terminals for the climate control blower motor switch may be observed, most often on the eight-pin connector.
Bulletin:: K40525473
Component:: 356000 equipment adaptive
Summary:: Obd2015/16 ( my - 2016/2017 ) trucks are logging u3017 fault code ( dtc )
Bulletin:: K18013154
Component:: 060000 engine (pws)
Summary:: Chassis equipped with a us17 ( ghg17 ) engine and one box eats may exhibit one or both dtcs p2463 - 00 particulate filter restriction - soot accumulation bank 1 and p2453 - 64 diesel particulate filter pressure sensor "a" circuit range /per
Bulletin:: FSB216-002
Component:: 355200 equipment:other:owners/service/other manual
Summary:: Flywheel resurfacing guidelines
Bulletin:: FSB761-002
Component:: 355200 equipment:other:owners/service/other manual
Summary:: Mack chu, cxu, gu, leu, lr, mru, and td trucks require a visual shock absorber inspection during regular maintenance schedules. the visual inspection will include checking the shock absorber for leakage, any irregularities, or worn shock bu
Bulletin:: K51117312
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Dtc p1000-00 may come active on a chassis, either alone or accompanying other scr system codes.
Bulletin:: K99442522
Component:: 103000 power train:automatic transmission
Summary:: Mack chassis - grade gripper diagnostics - system slow to disengage or does not disengage, functions intermittently, rough engagement
Bulletin:: K17696792
Component:: 063000 engine and engine cooling:exhaust system
Summary:: Diagnostic trouble code ( dtc ) p24f6 - 00, exhaust aftertreatment fuel air purge valve stuck open or dtc p24f7 - 00, exhaust aftertreatment fuel air purge valve stuck closed - us15 emissions and newer
Bulletin:: K91214678
Component:: 102000 power train:manual transmission
Summary:: Automated manual transmission ( amt ) faults - diagnostic trouble codes ( dtcs ) p1052 - 18 , pid 33 fmi 5 intermittent fault in cold weather.updated with new information and procedure
Bulletin:: K93039325
Component:: 070000 fuel system, gasoline
Summary:: Mack chassis - diesel exhaust fluid ( def ) contamination in fuel system, inspection and repair - us10 and newer; includes us17 chassis (ghg17 only document in development)
Bulletin:: K11533602
Component:: 110000 electrical system
Summary:: Diagnostic tool ( j-pro, premium tech tool ( ptt ) ) displays incorrect timestamp for diagnostic trouble code ( dtc ) / fault code occurrences; system date and time information.improved title and description for better searchability
Bulletin:: K24413634
Component:: 110000 electrical system
Summary:: Mack chassis - diagnostic trouble code ( dtc ) / fault code spn 1231 fmi 9 inactive on dtc readout, counts in multiples of three - us10 emissions.reworded for clarity, added link to related cbr solution.
Bulletin:: K74362312
Component:: 118000 electrical system: software
Summary:: Aftertreatment control module ( acm ) diagnostic trouble codes ( dtc ) u0001-88 and u0010-88, lighting the malfunction indicator lamp ( mil ); possible derate warning ? us10 and newer chassis
Bulletin:: K40331909
Component:: 060000 engine (pws)
Summary:: Diesel exhaust fluid ( def ) contamination in fuel system, inspection and repair; engine misfire, no-start, uneven operation, multiple injector codes, fuel pressure codes - us17 and newer (common rail fuel system )
Bulletin:: K91214678
Component:: 102000 power train:manual transmission
Summary:: Automated manual transmission ( amt ) faults - diagnostic trouble codes ( dtcs ) p1052 - 18 , pid 33 fmi 5 intermittent fault in cold weather updated repair information
Bulletin:: FSB216-002
Component:: 355200 equipment:other:owners/service/other manual
Summary:: Flywheel resurfacing guidelines, mdrive
Bulletin:: K31280406
Component:: 110000 electrical system
Summary:: Diagnostic trouble code ( dtc ) p26e8 intermittently lighting the malfunction indicator lamp ( mil); possible derate warning - obd13 and newer chassis
Bulletin:: K09336850
Component:: 110000 electrical system
Summary:: Diagnostic trouble code (dtc) p2002 may log on obd13 and newer chassis.
Bulletin:: K30351417
Component:: 353000 equipment:electrical
Summary:: Sensor and parameter values missing or reading zero when performing a sensor and parameter values monitor with premium tech tool ( ptt ) - us07 and us10 ( pre-obdii, 9-pin diagnostic connector ) chassis
Bulletin:: Cummins 9L Gas
Component:: 060000 engine (pws)
Summary:: Mack trucks has identified a condition with 2018 l9n cummins westport, inc. (cwi) natural gas engines when installed in a bare mack chassis which may cause an increase in engine speed when the truck decelerates close to idle speed.
Bulletin:: K05491041
Component:: 080000 fuel system, diesel
Summary:: Fuel injector offset learning diagnostic trouble codes ( dtc ) / fault codes logged in engine control module ( ems ); possible rough / uneven idle - obd16 chassis
Bulletin:: K20965159
Component:: 080000 fuel system, diesel
Summary:: Fuel tank vent filter ices / freezes up in cold weather; possible low fuel pressure and loss of prime; vacuum (rush, hiss of air) observed when fuel tank cap is loosened
Bulletin:: K12559671
Component:: 060000 engine (pws)
Summary:: Oil contamination of the clutch due to rear crankshaft adaptor o-ring leakage - oil leak at clutch and flywheel housing; possible burnt clutch smell and/or clutch slipping; possible customer/initial report of crankshaft rear main seal leak
Bulletin:: K50433055
Component:: 060000 engine (pws)
Summary:: Mack chassis - diagnostic trouble code ( dtc ) p0471 illuminating the malfunction indicator lamp (mil) - us17+obd16 (ghg17, common rail fuel system) chassis only
Bulletin:: K95422063
Component:: 063140 engine and engine cooling:exhaust system:emission control:catalytic convertor
Summary:: Mack chassis - diagnostic trouble code ( dtc ) p2459 lighting the malfunction indicator lamp ( mil ); possible frequent regeneration requests - obd15 and us14+obd16 (non-common rail) chassis
Bulletin:: K15560422
Component:: 063100 engine and engine cooling:exhaust system:emission control
Summary:: Selective catalytic reduction ( scr ) efficiency and nox sensor codes p225c, p225e, p221a, p2201, p103c, p20ee, and p207f : nox sensor diagnostic information to be used before sensor replacement - obd13 and newer emissions (commonly model y
Bulletin:: K21134562
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Selective catalytic reduction ( scr ) efficiency and diesel exhaust fluid ( def ) dosing valve diagnostic trouble codes ( dtc ) p208e, p103c, p0422, p20ee, p207f, p225e; dosing valve diagnostic information to be used before def dosing valve
Bulletin:: K15560422
Component:: 060000 engine and engine cooling
Summary:: Selective catalytic reduction ( scr ) efficiency and nox sensor codes p225c, p225e, p221a, p2201, p103c, p20ee, and p207f : nox sensor diagnostic information to be used before sensor replacement - obd13 and newer emissions (commonly model y
Bulletin:: K21134562
Component:: 060000 engine and engine cooling
Summary:: Selective catalytic reduction ( scr ) efficiency and diesel exhaust fluid ( def ) dosing valve diagnostic trouble codes ( dtc ) p208e, p103c, p0422, p20ee, p207f, p225e; dosing valve diagnostic information to be used before def dosing valve
Bulletin:: K15560422
Component:: 060000 engine and engine cooling
Summary:: Selective catalytic reduction ( scr ) efficiency and nox sensor diagnostic trouble codes ( dtc ) p225c, p225e, p221a, p2201, p103c, p20ee, and p207f : nox sensor diagnostic information to be used before sensor replacement - obd13 and newer
Bulletin:: FSB210-046
Component:: 060000 engine (pws)
Summary:: Replacement engine labels, mp7, mp8 and mp10
Bulletin:: FSB210-047
Component:: 060000 engine (pws)
Summary:: Replacement engine order process, mp7, mp8 and mp10

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