9999 NOVABUS BUS TSBs (107)
- Bulletin:
- 97004
- Component:
- 980000 unknown or other
- Summary:
- Provided information for diagnosing problems relating to instrument panel guages. *tt
- Bulletin:
- 97002
- Component:
- 980000 unknown or other
- Summary:
- Subject regarding wheelchair lift cleaning. *tt
- Bulletin:
- 97001
- Component:
- 044300 service brakes, air:drum:chamber
- Summary:
- Subject on mgm spring brake chamber repair parts identification information. *tt
- Bulletin:
- 97004
- Component:
- 980000 unknown or other
- Summary:
- Subject on flex-seal clamp installation information. *tt
- Bulletin:
- 00014
- Component:
- 110000 electrical system
- Summary:
- Some customers have experienced corrosion in the mating connectors between main bus harnesses and fluorescent light ballasts. *tt
- Bulletin:
- SB-BS-3082-E
- Component:
- 071100 fuel system, gasoline:storage:tank assembly
- Summary:
- Novabus: procedure information regarding the removal and replacement of more new robust plastic fuel tank and auxiliary heater connections and fuel gauge. *pe
- Bulletin:
- LI-1995ER-2
- Component:
- 081100 fuel system, diesel:storage:tank assembly
- Summary:
- Novabus: information regarding the modifications to fuel tank warranty being extended for 10 more years from date of vehicle first put into service, including parts and labor. *pe
- Bulletin:
- SB-BS-3058-E
- Component:
- 350000 equipment
- Summary:
- Nova bus: due to a possible detachment from the frame of pivoting battery tray, the pivoting battery tray bottom plate needs to be inspected. *pe
- Bulletin:
- LI-2032E
- Component:
- 022000 suspension:rear
- Summary:
- Novabus: a new part number for the hub carrier that was modified and only can be used on one side. *pe
- Bulletin:
- BS-3126A
- Component:
- 060000 engine and engine cooling
- Summary:
- Novabus: the heat shield has detached and fails to protect against heat, due to outlet hose having a crack, causing leakage at engine auxiliary heating outlet hose.
- Bulletin:
- BS-3115E
- Component:
- 110000 electrical system
- Summary:
- Novabus: in bus hybrid canopy, electrical harness connection is generating transmission error codes, by contact of terminals failure, intermittently, and if required, replace terminals, after installing heat shrink tubes. *pe
- Bulletin:
- BS-2011E
- Component:
- 110000 electrical system
- Summary:
- Novabus: the driver's lateral panel has control light on due to lamp causing electrical problems, intermittently, and the l.e.d. lamp needs to be replaced. *pe
- Bulletin:
- BS-3119E
- Component:
- 060000 engine and engine cooling
- Summary:
- Novabus: some buses are experiencing a leakage at heating outlet hose of engine auxiliary due to possible crack when heat shield was detached and failed to protect outlet hose from heat. *pe
- Bulletin:
- BS-1644A
- Component:
- 112000 electrical system:alternator/generator/regulator
- Summary:
- Novabus: alternator cables interferes with mechanical parts, causing premature wearing of cables, due to the actual position and the positive and negative cables should be reposition and replaced. *pe
- Bulletin:
- BS-1906E
- Component:
- 160000 structure
- Summary:
- Novabus: on some buses, in between the mounting plate and stanchion may have a break and will need the original stanchion replaced with reinforced stanchion. *pe
- Bulletin:
- BS-1859E
- Component:
- 110000 electrical system
- Summary:
- Novabus: on some buses, the j1939 network has loss communication, and on connectors, affixed to en-x64ay 3 way connector, the heat shrink tubing, that was installed, needs to be changed. *pe
- Bulletin:
- BS-1716-ER2
- Component:
- 110000 electrical system
- Summary:
- Novabus: some buses may experience a premature wearing of cable due to grid heater power cable position that interferes with engine support. *pe
- Bulletin:
- BS-1830-AR1
- Component:
- 060000 engine (pws)
- Summary:
- Novabus: some buses need inspection due to possible cavity plugs of two electric connectors are missing, reinstall if missing. *pe
- Bulletin:
- BS-1876E
- Component:
- 022520 suspension:rear:axle:non-powered axle assembly
- Summary:
- Novabus: some buses experience a failure of the zf differential thrust washer and need to have it checked at next oil change schedule. *pe
- Bulletin:
- LI-3131E
- Component:
- 136000 visibility:windshield wiper/washer
- Summary:
- Novabus: windshield wipers movement are irregular, in intermittent mode, and electrical harness, with relay, needs to be installed, if necessary. *pe
- Bulletin:
- BS-1798A
- Component:
- 062300 engine and engine cooling:cooling system:hose
- Summary:
- Novabus: engine cooling system has a flexible hose that may be defective and can cause leakage; if needed, inspect hose and replace with conforming flexible hose. *pe
- Bulletin:
- BS-2010E
- Component:
- 103000 power train:automatic transmission
- Summary:
- Novabus: on some buses, the wiring harnesses, sporadic contact discrepancies will occur due to wear on plug connections and entries of error memory occurs and the wiring harnesses should be replaced. *pe
- Bulletin:
- BS-2079E
- Component:
- 011000 steering:wheel and handle bar
- Summary:
- Novabus: some buses there is an issue with the steering wheel, where there is a welded joint, with a weak spot, and can break with repeated overload and steering wheel needs to be changed. *pe
- Bulletin:
- BS-1747A
- Component:
- 112000 electrical system:alternator/generator/regulator
- Summary:
- Novabus: procedural information regarding the alternator positive and negative cables needing to be reposition and replaced due to interference and premature wearing. *pe
- Bulletin:
- BS-1844A
- Component:
- 060000 engine and engine cooling
- Summary:
- Novabus: there is no protection against the heat due to detached heat shield has a crack in outlet hose, causing a leakage from engine. *pe
- Bulletin:
- BS-2015E
- Component:
- 060000 engine (pws)
- Summary:
- Novabus: on some buses, with off center engines, there is a failure of the zf differential thrust washer. *pe
- Bulletin:
- BS-3056E
- Component:
- 103700 power train:automatic transmission:torque converter
- Summary:
- Novabus: on some buses, because of a cracked transmission torque converter cover, bus is not able to be moved and has fault codes. *pe
- Bulletin:
- BS-2041E
- Component:
- 103600 power train:automatic transmission:cooling unit and lines
- Summary:
- Novabus: on some buses, the allison transmission retarder air supply must be brought into compliance with allison technical data. *pe
- Bulletin:
- BS-1804A
- Component:
- 030000 brakes (pws)
- Summary:
- Novabus: the brake interlock may have a release delay cause by possible stress on stub shaft of drive axle, on some buses. *pe
- Bulletin:
- BS-1933E
- Component:
- 062000 engine and engine cooling:cooling system
- Summary:
- Novabus: on some buses, a coolant leak can develop due to certain clamps becoming loose. *pe
- Bulletin:
- BS2096E
- Component:
- 060000 engine (pws)
- Summary:
- Novabus: the turbo inlet's boot clamp is not properly assembled and allows unfilter air to be sucked into engine. *pe
- Bulletin:
- BS-1813A
- Component:
- 356000 equipment adaptive
- Summary:
- Novabus: on some buses, the installation of structural support for the handrail anchoring needs to be reinforced due to be entrance handrail anchoring is loose. *pe
- Bulletin:
- BS-2018E
- Component:
- 092300 fuel system, other:fuel filter
- Summary:
- Novabus: the fuel supply, on some buses, are closed due to the fuel sensor restriction 4 in. hg vacuum, and needs an 8 in hg fuel filter sensor installed. *pe
- Bulletin:
- BS-3041E
- Component:
- 110000 electrical system
- Summary:
- Novabus: the failure of expello valve will cause the ramp electrical 24v circuit to experience an outage and would need to be modified. *pe
- Bulletin:
- BS-3085E
- Component:
- 091100 fuel system, other:storage:tank assembly
- Summary:
- Novabus: the fuel sender experience an engine code, 2222, and would need to be replaced with an improved model. *pe
- Bulletin:
- BS-1992E
- Component:
- 103000 power train:automatic transmission
- Summary:
- Novabus: the transmission breather allows fluid, from transmission, to spill into engine compartment and relocate breather and hose needs to be longer. *pe
- Bulletin:
- BS-1420A
- Component:
- 112000 electrical system:alternator/generator/regulator
- Summary:
- Novabus: need to reroute, replace, reposition the alternator negative and positive cables, due to interferes with mechanical parts, and can cause the cables to have premature wear. *pe
- Bulletin:
- BS-1937E
- Component:
- 110000 electrical system
- Summary:
- Novabus: the next stop wiring harness has protective sheath that would be stripped by the pass through hole with sharp edges. *pe
- Bulletin:
- BS-2089E
- Component:
- 060000 engine and engine cooling
- Summary:
- Novabus: oil is leaking from the alternator oil drain hose, that is cracked and needs replacing.
- Bulletin:
- BS-1419A
- Component:
- 112000 electrical system:alternator/generator/regulator
- Summary:
- Novabus: due to premature wearing of alternator negative and positive cables, the position of the alternator cables interferes with the mechanical parts and need to be reposition and replaced. *pe
- Bulletin:
- LI-2072E
- Component:
- 045000 service brakes, air:disc
- Summary:
- Novabus: the air disc brakes adjuster should be rotated, counter clockwise, by three clicks. *pe
- Bulletin:
- BS-1864E
- Component:
- 017100 steering:linkages:link:drag:connection
- Summary:
- Novabus: there is friction between neighboring parts of an improperly installed drag link tightening collar which needs inspecting and orientation adjustment.
- Bulletin:
- BS-2100E
- Component:
- 021000 suspension:front
- Summary:
- Novabus: at time of production, the shipping cap, for the brake caliper, should have been removed from all axles. *pe
- Bulletin:
- BS-1697AR-1
- Component:
- 092300 fuel system, other:fuel filter
- Summary:
- Novabus: old o ring is being replaced by improved o ring due to filter head and auxiliary heater fuel filter are experiencing a fuel leak between them. *pe
- Bulletin:
- BS-1757A
- Component:
- 112000 electrical system:alternator/generator/regulator
- Summary:
- Novabus: in present location or position, grid heater power cable, will become damaged and should be reposition on engine cradle. *pe
- Bulletin:
- BS-1840E
- Component:
- 110000 electrical system
- Summary:
- Novabus: there is a failure of the power distribution box (pdb) due to an excessive amount of current going through main disconnect switch and the electrical circuit to pdb needs to be modified. *pe
- Bulletin:
- BS-2062E
- Component:
- 162200 structure:body:bumpers
- Summary:
- Novabus: the door latch anchor bolts, on driver's side, detaches while driving, and needs replacing, while an improved door latch bumper model replaces old bumper. *pe
- Bulletin:
- BS-1744A
- Component:
- 062200 engine and engine cooling:cooling system:fan
- Summary:
- Novabus: a new part, n67239, for fan shroud that is now fiberglass, and it replaces the old part n55671. *pe
- Bulletin:
- BS-1905E
- Component:
- 110000 electrical system
- Summary:
- Novabus: the power distribution box (pdb) has failed due to excessive corrosion creating poor electrical conductivity and excessive current passing thru main disconnect switch. *pe
- Bulletin:
- BS-2025E
- Component:
- 110000 electrical system
- Summary:
- Novabus: behind the hinge protection, the main panel harness is rubbing against metal and needs to be rerouted. *pe
- Bulletin:
- BS-3037E
- Component:
- 110000 electrical system
- Summary:
- Novabus: on the ramp electrical 24v circuit, an outage will cause the expello valve to fail and the expello valve would need to be modified. *pe
- Bulletin:
- BS-1801A
- Component:
- 112000 electrical system:alternator/generator/regulator
- Summary:
- Novabus: the grid heater cable, should be reposition, on engine cradle, due to its present location that could cause it to be damaged. *pe
- Bulletin:
- BS-1994ER-2
- Component:
- 040000 service brakes, air
- Summary:
- Novabus: there is a possibility, that between the front axle brake hoses and surrounding components, chafing is causing the abs sensor signal to fail. *pe
- Bulletin:
- BS-1691ER-1
- Component:
- 160000 structure
- Summary:
- Novabus: a functional deterioration of wheel chair ramp due to water infiltration through gear box covers. *pe
- Bulletin:
- BS-1893E
- Component:
- 356000 equipment adaptive
- Summary:
- Novabus: replace the grab handle spool due to breakage. *pe
- Bulletin:
- BS-1892E
- Component:
- 162900 structure:body:roof and pillars
- Summary:
- Novabus: the wind can lift the roof, on some hybrid buses, if removable roof panels bolts become loose. *pe
- Bulletin:
- BS-1805A
- Component:
- 062300 engine and engine cooling:cooling system:hose
- Summary:
- Novabus: on the auxiliary heater cooling intake, a new hose was installed because the old elbow hose had a crack and was causing coolant to spill out. *pe
- Bulletin:
- BS-2006-ER-1
- Component:
- 136300 visibility:windshield wiper/washer:linkages
- Summary:
- Novabus: the underside of dash and wiper pivot, has an interference between them, on the wipers central mechanism. *pe
- Bulletin:
- BS-3123-E
- Component:
- 350000 equipment
- Summary:
- Novabus: on 60ft buses, the support bolts, for the heating pipe are loosen and will need thread locker on the bolts. *pe
- Bulletin:
- BS-2036-ER-1
- Component:
- 103000 power train:automatic transmission
- Summary:
- Novabus: on the allison transmission, there is an abnormal delay in retarder application and the connectors and retarder hose assembly should be replaced. *pe
- Bulletin:
- BS-1873-ER-2
- Component:
- 350000 equipment
- Summary:
- Novabus: between the mounting plate and stanchion, there is a break and a reinforced stanchion is replacing the original stanchion.
- Bulletin:
- BS-2099-E
- Component:
- 062000 engine and engine cooling:cooling system
- Summary:
- Novabus: on some buses, the hydraulic filter housing gasket should be removed. *pe
- Bulletin:
- BS-2103-R1-E
- Component:
- 062100 engine and engine cooling:cooling system:radiator assembly
- Summary:
- Novabus: without paint being removed, the ground cable is mounted on radiator frame but the paint should be removed from radiator frame. *pe
- Bulletin:
- BS-3104-E
- Component:
- 137300 visibility:rear window wiper/washer:linkages
- Summary:
- Novabus: on some vehicles the wiiper arm linkage may become loose. the bolts and nut must be replaced. *js
- Bulletin:
- SB-BS-3127-E
- Component:
- 130000 visibility/wiper (pws)
- Summary:
- Nova bus: information concerning irregular wiper movement in the intermittent mode. an electrical harness with a relay must be install. *js updated 9/22/14. *pe
- Bulletin:
- LI-2070-E
- Component:
- 022000 suspension:rear
- Summary:
- Nova bus: information concerning the replacement of defective differentials with new generation forged gears. *js
- Bulletin:
- LI-3145-E
- Component:
- 060000 engine (pws)
- Summary:
- Nova bus: information involving the replacement of the o-ring on the cartridge valve and tighten the torque. *js
- Bulletin:
- SB-BS-3138-E
- Component:
- 350000 equipment
- Summary:
- Nova bus: the bolts for radius rods may come loose and would need checking and torque test, is needed, on all 16 radius rods bolts. *pe
- Bulletin:
- SB-BS3070E
- Component:
- 040000 service brakes, air
- Summary:
- Nova: the surrounding components and brake hose are experiencing a chafing between them. *pe
- Bulletin:
- LI-3191-E
- Component:
- 353000 equipment:electrical
- Summary:
- Nova: procedure information on reprogramming new v-bea io/a or io/b module without laptop is available. *pe
- Bulletin:
- APS-3176-E
- Component:
- 112000 electrical system:alternator/generator/regulator
- Summary:
- Nova: a malfunction of io/b v-bea module is caused by the load signal from alternator and need a relay installed between io/b module and alternator in load signal. *pe
- Bulletin:
- LI-3193-E
- Component:
- 060000 engine (pws)
- Summary:
- Nova: procedural information regarding rear engine access door fails to close properly due to scissor hinge rivets that need replacing with shoulder screws. *pe
- Bulletin:
- BS-3148-E
- Component:
- 062200 engine and engine cooling:cooling system:fan
- Summary:
- Nova: a ventilation fan will be installed in engine compartment and ltd wire, in engine compartment, will also be changed. *pe
- Bulletin:
- IK-0800218-4
- Component:
- 110000 electrical system
- Summary:
- International: new accelerator position sensors (aps) was developed and released and replaces open/closed ivs switches and due to new design, normal resistance measurements performed for potentiometer and idle validation switch on previous
- Bulletin:
- BS-3163-E
- Component:
- 350000 equipment
- Summary:
- Nova bus: access door of rear engine fails to close properly, due a possibility of faulty scissor hinge rivets needing replacing with should screws. *pe
- Bulletin:
- LI-3188-E
- Component:
- 021000 suspension:front
- Summary:
- Nova bus: now in effect is a new 16 radius rod bolts torque of 205 lb-ft (275 n.m) for front axle, rear axle and middle axle suspension. *pe
- Bulletin:
- BS3241E
- Component:
- 110000 electrical system
- Summary:
- Nova bus: information regarding the electical harness , on the wha electrical harness, protective oom may be damaged due to heat of the turbo. *lj
- Bulletin:
- BS3310E
- Component:
- 110000 electrical system
- Summary:
- Nova bus: bulletin information regarding electrical system. replacement of sensor supply cable. cummins code 1242 for accelerator interlock circuit. *lj
- Bulletin:
- LI-3158-E
- Component:
- 060000 engine and engine cooling
- Summary:
- Nova bus: the injector fuel supply lines #2 and #4 are leaking fuel and a temporary practice document repair is recommended. *pe
- Bulletin:
- LI-1806-ER2
- Component:
- 091100 fuel system, other:storage:tank assembly
- Summary:
- Nova bus: crack will develop on hydraulic tank's support from structural stress and would need a plate to reinforce tank support. *pe
- Bulletin:
- FA-2011FA06
- Component:
- 103000 power train:automatic transmission
- Summary:
- Allison transmission: tsb contains an owner's notification letter. select document search button below. some buses have drive units installed, front to a back slope, where opening of suction filter was designed, rotating 90 degrees movin
- Bulletin:
- FA-2011FA06
- Component:
- 103000 power train:automatic transmission
- Summary:
- Allison transmission: tsb contains an owner's notification letter. select document search button below. with drive units installed front to back slope at 8.0 degrees or more, toward end of drive unit output, the opening for suction filte
- Bulletin:
- SB-APS3146E
- Component:
- 110000 electrical system
- Summary:
- Nova bus: this bulletin list procedure on installing a new power switch relay design for improved performance *cn
- Bulletin:
- SB-APS3429E
- Component:
- 110000 electrical system
- Summary:
- Nova bus: procedure for replacing battery cables. due to stress terminal lugs of battery cables may crack. *cn
- Bulletin:
- SB-BS3127ER2
- Component:
- 110000 electrical system
- Summary:
- Nova bus: procedure for replacing electric wiper motor. while in intermittent mode. *cn
- Bulletin:
- SB-BS3148ER1
- Component:
- 060000 engine (pws)
- Summary:
- Nova bus: procedure for engine compartment ventilation replacement. *cn
- Bulletin:
- SB-BS3286E
- Component:
- 350000 equipment
- Summary:
- Nova bus: this bulletin on procedure for installing insulation for pex and hydraulic pipes. pipes disperse heat and warms up a/c air flow. *cn
- Bulletin:
- SB-BS3329E
- Component:
- 350000 equipment
- Summary:
- Nova bus: this bulletin is about replacing and/or repairing grab handle strap on 40 ft vehicles. strap may rip away from fastening assembly. *cn
- Bulletin:
- SB-BS3359ER1
- Component:
- 060000 engine and engine cooling
- Summary:
- Nova bus: cummins isl 10 engine doesn't have the configuration to support fault code 2448. *cn
- Bulletin:
- SB-BS3377E
- Component:
- 350000 equipment
- Summary:
- Nova bus: this bulletin pertains to the grab handle strap, on 60 ft buses, which may rip from the fastening assembly. *cn
- Bulletin:
- SB-BS3379E
- Component:
- 350000 equipment
- Summary:
- Nova bus: refers to the hubner articulation system. optimization is required for communication between transmission and hubner articulation. *cn
- Bulletin:
- SB-BS3419E
- Component:
- 130000 visibility/wiper (pws)
- Summary:
- Nova bus: defective wiper. wiper remains on and can't be stopped by the driver. *cn
- Bulletin:
- SB-LI3402ER2
- Component:
- 062000 engine and engine cooling:cooling system
- Summary:
- Nova bus: this bulletin refers to the low coolant level sensor. *cn updated 3/14/16 *cn
- Bulletin:
- SB-LI1953E
- Component:
- 015300 steering:hydraulic power assist:power steering fluid
- Summary:
- Nova bus: corrosion of power steering hydraulic fittings and piping due to moisture accumulating in the space under the driver seat. *cn
- Bulletin:
- SB-LI3378E
- Component:
- 350000 equipment
- Summary:
- Nova bus: this bulletin requires tandem air dryer to be replaced. *cn
- Bulletin:
- BS3199ER2
- Component:
- 350000 equipment
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- BS3411E
- Component:
- 091100 fuel system, other:storage:tank assembly
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- BS3447E
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- BS3483E
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- BS3484ER1
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- BS3485ER1
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- LI1888E
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- LI2027
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- LI3454E
- Component:
- 060000 engine (pws)
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- SB-BS-3465--ER1
- Component:
- 110000 electrical system
- Summary:
- Summary to be provided on a future date.
- Bulletin:
- LI4432E
- Component:
- 010000 steering
- Summary:
- Trw documentation update (service procedure tas-103)
- Bulletin:
- BS4275E
- Component:
- 070000 fuel system, gasoline
- Summary:
- Fitting on fuel filter hose is incompatible with the fitting on the side of the engine.
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