2009 KENWORTH T800 Recalls (17)

Campaign:
08V104000 on 03/09/2008
Component:
Trailer hitches
Manufactured:
05/31/2006 - 01/30/2008
Affected:
318
Defect:
Paccar is recalling 318 my 2007-2009 kenworth t800, w900, and peterbilt 357, 365, 367, 378, 379, 384, 385, 386,388, and 389 trucks equipped with premier trailer hitch assemblies. the pintle hitch assemblies may have been manufactured in a manner resulting in a reduction of fatigue strength of the pivot pins.
Consequence:
This reduction of fatigue strength could cause the pivot pin to crack and eventually break, causing the trailer to detach from the truck while in motion, which could cause a crash that could result in personal injury or death.
Correction:
Dealers will replace the potentially defective pivot pin free of charge. the recall began on april 18, 2008. owners may contact kenworth at 1-425-828-5440 or peterbilt at 1-940-591-4196.
Notes:
Kenworth recall no. 08kw4 and peterbilt recall no.208d.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
Campaign:
08V128000 on 03/20/2008
Component:
Parking brake:conventional:air
Manufactured:
01/15/2008 - 02/13/2008
Affected:
1,043
Defect:
Paccar is recalling 1,043 my 2008-2009 kenworth c500, t2000,t660, t800 and w900 trucks equipped with bendix mv-3 dash control valves. the molded valve body has an incorrect core pin in the injection mold causing the valve body to be oversized in the double check valve area. this condition can allow the rubber double check valve to become lodged in the body opening under certain circumstances.
Consequence:
If the double check valve becomes lodged, in the event of a primary reservoir failure, air pressure can leak past the lodged double check valve thereby depleting the secondary reservoir, causing reduced ability for modulating the service emergency brakes. in such an event, the operator should observe an air leak, indications of low air pressure via the primary and secondary air gauges, and audible and visual low air pressure warning alarms. a vehicle crash is possible if these warnings are not heeded.
Correction:
Dealers will replace the bendix mv-3 dash control valves free of charge. the recall began on april 14, 2008. owners may contact kenworth at 1-425-828-4196.
Notes:
Kenworth recall no. 08kw3 and peterbilt recall no. 308e.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
Campaign:
08V314000 on 07/13/2008
Component:
Suspension
Manufactured:
03/31/2008 - 06/15/2008
Affected:
1,189
Defect:
Kenworth is recalling 1,189 my 2009 t2000, t600, t660, t800 and w900 trucks. the axle u-bolts attaching the axle to the drive beam on certain ag380 rear suspensions may have received insufficient fastener torque during the installation process.
Consequence:
The insufficient torque may allow the axle u-bolt to loosen if undetected, could impact long term suspension performance and increase the risk of a crash.
Correction:
Dealers will have the axle u-bolt on the affected chassis re-torqued to factory specifications free of charge. the recall began on august 12, 2008. owners may contact kenworth at 425-828-5440.
Notes:
Kenworth recall no. 08kw9.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
Campaign:
08V431000 on 08/24/2008
Component:
Service brakes, air:disc
Manufactured:
05/18/2008 - 06/22/2008
Affected:
86
Defect:
Paccar is recalling 86 my 2009 kenworth t660, t800, w900, and peterbilt 386, 365, and 388 trucks equipped with bendix front air disc brakes. the size 14 service chamber of certain front air disc brakes may have been contaminated with grease between the piston head/plate and the diaphragm. when braking pressure is applied, the grease may allow the piston head/plate to slip off center and catch on the reducing ring of the size 14 service chamber.
Consequence:
The catching of the piston head/plate on the reducing ring may lock up the corresponding front air disc brake which may impact the operator's ability to steer or control the vehicle.
Correction:
Dealers will replace both front air disc brakes size 14 service chambers free of charge. the recall began on august 27, 2008. owners may contact kenworth at 1-425-828-5440 and peterbilt at 1-940-591-4196.
Notes:
Kenworth recall no. 08kwa and peterbilt recall no. 708f.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
Campaign:
08V485000 on 09/23/2008
Component:
Suspension
Manufactured:
07/06/2003 - 09/10/2008
Affected:
130
Defect:
Paccar is recalling 130 my 2004-2009 t2000, t800, t600, w900 and t660 kenworth trucks built with an ag400 rear suspension, long stroke brake chambers, and wide base tires (super singles). these vehicles may develop an increase in lateral and vertical axle movement. this movement may cause part or parts of the brake assembly (brake cam tube support, brake chamber bracket, brake chamber, brake spider) to develop fatigue cracks, possibly resulting in the failure of the part or parts within the brake assembly.
Consequence:
A failure may reduce vehicle brake performance, increasing the risk of a crash.
Correction:
Dealers will install the cam tube support brackets on all of the rear axle wheel ends. inspect the rear axle brake assembly and replace it if cracked. the recall is expected to begin during november 2008. owners may contact kenworth at 1-425-828-5440.
Notes:
Kenworth recall no. 08kwb. customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty: 1-800-424-9153); or go to http://www.safercar.gov.
Campaign:
08V486000 on 09/24/2008
Component:
Engine and engine cooling:engine:diesel
Manufactured:
01/07/2007 - 07/13/2008
Affected:
263
Defect:
Paccar is recalling 263 my 2008-2009 kenworth t800, w900 and peterbilt 365 and 384 trucks equipped with c7 or c9 caterpillar diesel engines. the fuel pump outlet check plug may be cracked which could cause fuel to spray and leak.
Consequence:
Fuel leakage, in the presence of an ignition source, could result in a fire.
Correction:
Paccar is working with caterpillar (please see 08e042). caterpillar will replace the fuel pump plug free of charge. the recall is expected to begin during september 2008. owners may contact caterpillar at-1-800-447-4986 or kenworth at 1-425-828-5440 or peterbilt at 1-940-591-4196.
Notes:
Kenworth recall no. 08kwc and peterbilt recall no. 908h.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
Campaign:
08V487000 on 09/24/2008
Component:
Engine and engine cooling:engine:diesel
Affected:
4,883
Defect:
Paccar is recalling 4,883 my 2006-2009 kenworth t600, t660, t800, w900, t2000 and my 2008-2009 peterbilt 365, 367, 379, 384, 386, 387, 388 and 389 trucks. inadequate stiffness of the diesel particulate filter (dpf) bracket could result in separation of the dpf from the chassis.
Consequence:
A vehicle crash could occur if another vehicle strikes the dpf on the roadway.
Correction:
Paccar is working with caterpillar to repair these vehicles (please see 08e041). owners may contact caterpillar at 1-800-447-4986 or kenworth at 1-425-828-5440 or peterbilt at 1-940-591-4196.
Notes:
Kenworth recall no. 08kwd and peterbilt recall no. 908g.customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty: 1-800-424-9153); or go to http://www.safercar.gov.
Campaign:
09V166000 on 05/18/2009
Component:
Service brakes, air:disc
Manufactured:
02/04/2005 - 12/14/2008
Affected:
140
Defect:
Paccar is recalling 140 my 2005, 2007-2009 t800, w900, and t660 trucks. the caliper mounting fasteners attaching the air disc brake caliper assembly to the torque plate may have received insufficient torque during the installation process. the insufficient torque may allow the air disc brake caliper assembly to become loose and possibly separate from the vehicle.
Consequence:
This could result in reduced braking capacity and also a road debris hazard, increasing the risk of a crash.
Correction:
Dealers will inspect air disc brake caliper assemblies and replace the caliper mounting fasteners and torque properly. this service will be performed free of charge. the manufacturer has not yet provided an owner notification schedule. owners may contact kenworth at 1-425-828-5440.
Notes:
Kenworth recall no. 09kw3.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
09V229000 on 06/16/2009
Component:
Power train:axle assembly
Affected:
9
Defect:
Kenworth is recalling 9 my 2009 t800s vehicles equipped with dana front axle. the brake spider mounting fasteners attaching the brake spider to the front steer axle flange may have received insufficient torque during the installation process. the insufficient torque may allow the brake spider fasteners and brake spider to become loose.
Consequence:
This can allow the fasteners to shear and fall either onto the roadway or into the drum brake assembly, potentially allowing the brake to bind and causing increased stopping distance and a crash could occur.
Correction:
Dealers will inspect and replace the brake spider mounting fasteners and torque them properly, as well as review the brake spider and steer axle flange holes for signs of vibration and fatigue and replace if necessary. this service will be performed free of charge. the manufacturer has not yet provided an owner notification schedule. owner may contact kenworth at 1-425-828-5440.
Notes:
Paccar recall no. 09kw6.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
09V239000 on 06/28/2009
Component:
Service brakes, air
Manufactured:
04/22/2003 - 09/16/2008
Affected:
3,423
Defect:
Kenworth is recalling 3,423 my 2004-2009 t2000, t800,t600, w900 and t660 vehicles. increased brake excitation in a certain vehicle configuration which includes bendix drum brakes, wide base low profile single tires, and an ag400 or ag460 rear suspension, due to its unique brake clocking and cam tube length, can cause fatigue and cracking to brake assembly components.
Consequence:
Cracking can cause a complete fracture of the cam tube, which could increase stopping distance and decrease parking brake hold capability.
Correction:
Dealers will inspect the rear axle brakes assembly, replace cracked rear axle brakes assembly components where required, and install cam tube support brackets on all rear axle wheel ends free of charge. the recall is expected to begin or before july 25, 2009. owner may contact kenworth at 1-425-828-5440.
Notes:
Paccar recall no. 09kw7.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
09V258000 on 07/07/2009
Component:
Steering:column
Manufactured:
04/20/2009 - 06/11/2009
Affected:
2,096
Defect:
Paccar is recalling 2,096 my 2009 kenworth and peterbilt vehicles equipped with trw steering shafts. mislocation of a circumferential weld may allow the splined tube and non-splined tube to rotate relative to one another during a low speed, high torque turn, possibly resulting in a separation of the two tubes.
Consequence:
A separation of the splined and non-splined tubes could cause a loss of steering control and increase the risk of a crash.
Correction:
Dealers will inspect the steering shaft using a weld placement gauge and miswelded steering shaft will be replaced free of charge. the recall began july 31, 2009. owners may contact kenworth at 1-425-828-5440 and peterbilt at 1-940-591-4196.
Notes:
Kenworth recall no. 09kw8 & peterbilt recall no. 609-c.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
09V348000 on 09/02/2009
Component:
Engine and engine cooling:engine:diesel
Manufactured:
03/19/2007 - 07/06/2009
Affected:
135
Defect:
Paccar is recalling model year 2008-2010 kenworth t300, t270, and t370, model year 2009-2010 t800 and peterbilt model year 2008-2010 335, 340, and 367 vehicles built on cummins' diesel engine. the vehicles may be designed with a hard wired, dash-mounted switch that enables the vehicle operator to inhibit aftertreatment diesel particulate filter regeneration in environments where the operator believes it may be unsafe for elevated exhaust temperatures. due to an issue with the logic in the ecm software in these engines, the switch may not function correctly, leading the operator to believe that the switch is in "inhibit" mode when it is not.
Consequence:
This condition will permit hot exhaust gases to exit the vehicle tailpipe, increasing the risk of melting or burning of nearby surfaces, or a fire.
Correction:
Paccar is working with cummins to repair the engines free of charge please see 09e-046. the safety recall began on october 1, 2009. owners may contact cummins at 1-800-diesels (1-800-343-7357).
Notes:
Kenworth recall no. 09kw9 & peterbilt recall no. 909-d.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
09V415000 on 10/26/2009
Component:
Power train:axle assembly
Manufactured:
11/11/2008 - 09/29/2009
Affected:
914
Defect:
Kenworth is recalling model year 2009 through 2010 t2000, t800, t660 and w900 trucks manufactured between november 12, 2008 and september 30, 2009. the axle u-bolts attaching the axle to the suspension leaf spring on certain ag400l rear suspensions may have received insufficient fastener torque during the installation process. the insufficient torque may allow the axle u-bolt to become loose, which may cause vibration in the rear suspension.
Consequence:
If multiple fasteners were to become loose, the rear axle may shift relative to the rear suspension leaf spring, which can result in loss of control and a crash.
Correction:
Dealers will inspect the axle u-bolts for visible defects, including bent and/or smashed threads and re-torque the axle u-bolts to factory specifications. the recall began on november 4, 2009. owners may contact kenworth at 425-828-5440.
Notes:
Kenworth recall no. 09kwa.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
10V308000 on 07/01/2010
Component:
Steering:column
Manufactured:
05/13/2007 - 04/19/2009
Affected:
9,697
Defect:
Paccar is recalling certain model year 2008-2010 trucks equipped with trw steering shafts. the circumferential weld around the steering shaft tube that welds the splined tube to the non-splined tube may be mislocated. mislocation of the circumferential weld may allow the splined tube and non-splined tube to rotate relative to one another during a low speed, high torque turn, possibly resulting in a separation of the two tubes.
Consequence:
A separation of the splined and non-splined tubes would cause a loss of steering control and increase the risk of a vehicle crash.
Correction:
Dealers will inspect the steering shaft using a weld placement gauge provided by trw. any steering shaft found to have been welded improperly will be replaced free of charge. the safety recall began on july 30, 2010. owners may contact kenworth at 425-828-5440 and peterbilt at 940-591-4196.
Notes:
Kenworth's recall campaign number is 10kw-f & peterbilt recall no. 0610-d. owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
10V535000 on 11/01/2010
Component:
Service brakes, air:disc:caliper
Manufactured:
12/21/2008 - 08/01/2010
Affected:
417
Defect:
Paccar is recalling certain model year kenworth t660, t700, t800 and w900 vehicles manufactured from december 22, 2008, through august 2, 2010, and equipped with ag400l air disc brakes. the air disc brake caliper could be installed on the wrong side of the drive axle potentially causing interference with the suspension bracket and the rear suspension as the outermost brake pads wear and the floating caliper moves inboard.
Consequence:
As this interference gets larger, this could eventually lead to reduced braking performance, increasing the risk of a crash.
Correction:
Dealers will verify the correct orientation of the brake caliper and perform the necessary repair free of charge. the safety recall began on november 24, 2010. owners may contact kenworth at 425-828-5440.
Notes:
Kenworth safety recall no. 10kwh.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
11V127000 on 02/24/2011
Component:
Fuel system, other:storage:tank assembly
Manufactured:
02/18/2007 - 02/22/2011
Affected:
4,664
Defect:
Paccar is recalling certain model year 2008-2012 kenworth t2000, t660, t700, t800, and w900, as well as model year 2009-2012 peterbilt 365, 367, 384, 386, 387, 388, 389, and 587 trucks equipped with paccar mx engines. the oil module centrifugal spinner filter cap in the paccar mx engine may become loose, possibly allowing the cap to come off and engine oil to partially discharge from the oil module onto exhaust components.
Consequence:
The discharge of engine oil onto exhaust components which are hot, such as when the engine is under significant load, may cause a fire.
Correction:
Dealers will re-torque the oil module filter cap and install a secondary retention device on the secondary centrifugal spinner filter cap. this service will be performed free of charge. the safety recall is expected to begin during march 2011. owners may contact kenworth at 1-425-828-5440 and peterbilt at 1-940-591-4196.
Notes:
Owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Campaign:
13V573000 on 11/20/2013
Component:
Service brakes
Manufactured:
03/21/2006 - 07/14/2013
Affected:
18
Defect:
Paccar is recalling certain model year 2007-2014 kenworth t800 and w900 trucks manufactured march 22, 2006, through july 15, 2013 and equipped with primaax tridem rear suspensions and a pusher and/or tag axle. the affected trucks have brake chambers that take longer to apply or release the brakes than the required time limit. thus, these vehicles fail to conform to the requirements of federal motor vehicle safety standard (fmvss) no. 121, "air brake systems."
Consequence:
Brakes that take longer to apply may lengthen the distance needed to stop the truck, increasing the risk of a crash.
Correction:
Paccar will notify owners, and dealers will modify the air brake system, free of charge. the recall began on january 15, 2014. owners may contact paccar at 1-425-468-7400. kenworth's recall number is 13kwl.
Notes:
Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.safercar.gov.

2009 KENWORTH T800 TSBs (27)

Bulletin:
TIB-99-13
Component:
102000 power train:manual transmission
Summary:
Kenworth truck service campaign: see document search button for owner letter. transmission driver instructions manual campaign. the wrong eaton transmission driver instructions manual may have been delivered with identified chassis.
Bulletin:
TIB-26-17
Component:
102000 power train:manual transmission
Summary:
Kenworth truck service campaign: see document search button for owner letter. the oil slinger threads on input shafts of identified 10 speed transmission were machined incorrectly. this defect will create a slow fluid leak at the input sh
Bulletin:
82610
Component:
061000 engine and engine cooling:engine
Summary:
Caterpillar c15 or cummins isx engines experiencing premature failure of the fan hub bearings. *kb
Bulletin:
TIB-02-108
Component:
220000 seats
Summary:
Kenworth truck: bench seat campaign. a single occupant sensor was installed in two person bench seats. depending upon where a passenger(s) sits, the sensor may indicate there are no passengers or it will indicate there are two passengers
Bulletin:
TIB-43-017
Component:
063000 engine and engine cooling:exhaust system
Summary:
Kenworth (paccar): campaign to inspect for missing exhaust gaskets. chassis listed may have been manufactured without an upper exhaust pipe gasket. equipped with paccar mx engines only. *pe
Bulletin:
43-020
Component:
061000 engine and engine cooling:engine
Summary:
Paccar: the chassis needs to have production parts installed and pre-production parts removed. *rm
Bulletin:
TIB-E-032
Component:
063100 engine and engine cooling:exhaust system:emission control
Summary:
Paccar service campaign: see document search button for owner letter. some kenworth vehicles are missing an emissions compliance label. *rm
Bulletin:
TIB-02-113
Component:
220000 seats
Summary:
Paccar inc: fire truck seat height specification change. *rm
Bulletin:
TIB-42-043
Component:
062200 engine and engine cooling:cooling system:fan
Summary:
Paccar: information on fan hub bearings inspection and warranty extension due to a higher than normal failure rate. *rm
Bulletin:
TIB-42-48
Component:
062200 engine and engine cooling:cooling system:fan
Summary:
Paccar: information on premature fan clutch lining wear. *rm
Bulletin:
TIB-E-020
Component:
060000 engine and engine cooling
Summary:
Paccar: a coolant sieve must be removed at the first engine oil change. *rm
Bulletin:
TIB-E-009
Component:
061200 engine and engine cooling:engine:diesel
Summary:
Paccar: a software update is causing the check engine light to come on. *rm
Bulletin:
TIB-E011
Component:
063000 engine and engine cooling:exhaust system
Summary:
Paccar: engineering standards have changed and there are now engines with heat treated bolts. *rm
Bulletin:
TIB-03-041
Component:
061000 engine and engine cooling:engine
Summary:
Kenworth service campaign: see document search button for owner letter. the odometer may inaccurately record mileage. the fog lamp circuit may not work with the inside switch. some chassis have inaccurate chassis weight on the door label. *
Bulletin:
TIB-E-023
Component:
061200 engine and engine cooling:engine:diesel
Summary:
Paccar service campaign: see document search button for owner letter. there have been updates to the engine software. *rm
Bulletin:
TIB-44-19
Component:
092300 fuel system, other:fuel filter
Summary:
Paccar: water may seep between the wire insulation and potting of the fuel sensor. there may be an erratic false warning of water in fuel. *rm
Bulletin:
TIB-E037
Component:
015100 steering:hydraulic power assist:pump
Summary:
Kenworth: power steering pump spool valve does not meet quality standards. there may be a lack of steering assist or hard steering at idle. *rm
Bulletin:
TIB-E-045
Component:
118000 electrical system: software
Summary:
Kenworth: for certain trucks, the engine control unit (ecu), identified as pmci in engine rapido, and aftertreatment control unit will benefit from software updates. *pe
Bulletin:
TIB-43-23
Component:
063000 engine and engine cooling:exhaust system
Summary:
Kenworth: information regarding rear nox sensor repairs should include system updates for chassis operating in conditions which result in moisture related sensor failures with improved moisture protection exhaust design for rear nox sens
Bulletin:
TIB-43-22
Component:
063000 engine and engine cooling:exhaust system
Summary:
Kenworth: see document search button for owner letter. bulletin refers to the dual exhaust rear nox sensor moisture protection campaign. to divert moisture from the rear (scr outlet) nox sensor there is a new design for exhaust element.
Bulletin:
TIB-E-046
Component:
071110 fuel system, gasoline:storage:tank assembly:filler pipe and cap
Summary:
Kenworth: see document search button for owner letter. the original style oil filter cap system is being replaced by an improved oil filter cap lock system. *pe
Bulletin:
TIB-E-050
Component:
061000 engine and engine cooling:engine
Summary:
Kenworth: engine control unit (ecu), identified as pmci in engine rapido, should have a protective shield for software updates and the hc doser fitting installed for after aftertreatment control unit. *pe
Bulletin:
TIB-43-027
Component:
061000 engine and engine cooling:engine
Summary:
Kenworth: see document search button for owner letter. on certain trucks, on the chassis, certified clean idle decals were mistakenly installed and need to be removed. *pe
Bulletin:
TIB-E-053
Component:
072200 fuel system, gasoline:delivery:hoses, lines/piping, and fittings
Summary:
Kenworth: see document search button for owner letter. line fatigue failure may be due to excessive vibrations of high pressure fuel lines and diesel fuel leak and malfunction indicator lamp. *pe
Bulletin:
TIB-44-024
Component:
030000 brakes (pws)
Summary:
Kenworth: regarding update information for engine brake and throttle pedal position return range, which was too narrow to engage and engine brake was not engaging. *pe
Bulletin:
TIB-E-055
Component:
061120 engine and engine cooling:engine:gasoline:turbo-charger
Summary:
Kenworth: oil collection at cac intake pipe is caused by an imbalance in turbocharger pressures. models t660, t800, t700, and w900. *pe
Bulletin:
TIB-13-040
Component:
023000 suspension:multiple axle
Summary:
Kenworth: some trucks failed to meet company standards for air volume lift axle and the company will increase air volume for worthwhile improvement to exceed government fmvss 121. model t800, w900. *pe see document search butt

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