Kenworth W900 — Fuel System
High risk
Oct 23, 2024
Model years: 2025
On certain trucks equipped with a Cummins X15 engine, the fuel pump may not have been manufactured properly. As a result, the fuel pump barrels could break and cause a fuel leak. I
Also affects: Kenworth C500, Kenworth T680, Kenworth T800, Kenworth T880, Kenworth W990
Kenworth W900 — Steering
High risk
Jun 12, 2024
Model years: 2025
On certain trucks, the ball stud on the drag link and/or tie rod may not have been manufactured properly. As a result, the stud could fail and cause a loss of steering control.
Also affects: Kenworth T380, Kenworth T480, Kenworth T680, Kenworth T880, Kenworth W990
Kenworth W900 — Brakes
High risk
Feb 23, 2024
Model years: 2019, 2020, 2021, 2022, 2023, 2024
On certain trucks, the reservoir tank for the air brake system is too small. In certain situations, this could cause reduced braking. Canadian regulations require enough air reserv
Also affects: Kenworth C500, Kenworth T440, Kenworth T470, Kenworth T680, Kenworth T800
Kenworth W900 — Seats And Restraints
High risk
Oct 26, 2023
Model years: 2018, 2019, 2020, 2021, 2022, 2023, 2024
On certain trucks, a spacer installed between the seat frame and the seat belt buckle may cause the seat belt to slip and not to work properly in a crash.
Also affects: Kenworth C500, Kenworth T800
Kenworth W900 — Steering
High risk
Oct 19, 2022
Model years: 2023
On certain trucks, the tie rod end clamps could crack and loosen. If this happens, the threads on the tie rod end could become damaged and the tie rod end could separate. This coul
Also affects: Kenworth T370, Kenworth T480, Kenworth T800, Kenworth W990, Peterbilt 348
Kenworth W900 — Engine
High risk
Aug 18, 2022
Model years: 2023
On certain trucks, a problem in the engine control module (ECM) could cause a short circuit. If this happens, the engine could stall and you may not be able to restart it.
Also affects: Kenworth T480, Kenworth T680, Kenworth T800, Kenworth T880, Kenworth W990
Kenworth W900 — Steering
High risk
Jul 28, 2022
Model years: 2022, 2023
On certain trucks, the steering gear may not have been assembled correctly. As a result, the steering gear could break and cause a loss of steering.
Also affects: Kenworth C500, Kenworth T270, Kenworth T370, Kenworth T380, Kenworth T440
Kenworth W900 — Steering
High risk
Apr 25, 2022
Model years: 2018, 2019, 2020
On certain trucks, the fasteners that attach the steer arm to the steering knuckle may fail. If this happens, the steer arm could separate from the steering knuckle and cause a los
Also affects: Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T470, Kenworth T660
Kenworth W900 — Powertrain
High risk
Apr 13, 2021
Model years: 2022
On certain trucks, the starter interrupt feature may not be properly connected. As a result, it may be possible to start the truck with the transmission in drive or reverse gear. I
Also affects: Kenworth T800
Kenworth W900 — Powertrain
High risk
Feb 17, 2021
Model years: 2021, 2022
On certain vehicles, the cap screws that attach the flywheel to the crankshaft may not have been properly tightened. As a result, the flywheel could detach. If this happens, there
Also affects: Kenworth T680, Kenworth T800, Kenworth T880, Kenworth W990, Peterbilt 367
Kenworth W900 — Suspension
High risk
Aug 27, 2020
Model years: 2020, 2021
On certain trucks, the lift axle pivot bolts may be too short and may not be properly tightened. As a result, the bolts could come loose or break. If this happens, parts could fall
Also affects: Kenworth T800, Kenworth T880, Kenworth W990, Peterbilt 348, Peterbilt 365
Kenworth W900 — Lights And Instruments
High risk
Apr 7, 2020
Model years: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
On certain trucks, the warning light for the tractor anti-lock brake system (ABS) may not turn on if the system loses power. If this happens, the driver will not get warning that t
Also affects: Kenworth T170, Kenworth T270, Kenworth T370, Kenworth T660, Kenworth T680
Kenworth W900 — Powertrain
High risk
Mar 7, 2019
Model years: 2020
On certain trucks, the rear axles may not contain any oil. This may result in accelerated bearing, hub and axle shaft wear. This wear could cause a separation of a wheel end (hub,
Also affects: Kenworth T680
Kenworth W900 — Powertrain
High risk
Dec 24, 2018
Model years: 2018, 2019
On certain vehicles equipped with an Eaton automated manual transmission and electronic clutch actuator (ECA), the clutch may have been manufactured improperly and could fail. If t
Also affects: Kenworth C500, Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T660
Kenworth W900 — Fuel System
High risk
Sep 25, 2018
Model years: 2017, 2018, 2019
On certain trucks built with a Cummins X15 or ISX15 engine equipped with nylon fuel lines and a banjo bolt on the fuel pump, a blockage in the fuel cooling system may cause a fuel
Also affects: Peterbilt 579, Kenworth T680, Peterbilt 587, Peterbilt 389, Kenworth T660
Kenworth W900 — Electrical
High risk
Aug 23, 2018
Model years: 2016, 2017, 2018, 2019
On certain trucks with an ISX15 engine and a 1.9 M cab, the engine wiring harness is missing circuits to allow the illumination of Check (CEL) and Stop (SEL) Engine Lamps and sound
Also affects: Kenworth T800, Kenworth C500, Kenworth T660
Kenworth W900 — Brakes
High risk
Jul 24, 2018
Model years: 2015, 2016, 2017, 2018
Certain vehicles may fail to conform to the requirements of Canada Motor Vehicle Safety Standard (CMVSS) 121 - Air Brake Systems and CMVSS 136 - Electronic Stability Control System
Also affects: Kenworth T660, Kenworth T800, Kenworth T880, Peterbilt 365, Peterbilt 367
Kenworth W900 — Steering
High risk
Sep 25, 2017
Model years: 2016
On certain vehicles, the castellated nut and cotter pin on the steer axle may not have been tightened to specification. This could cause the tie rod to become loose in the steer ax
Also affects: Kenworth T170, Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T660
Kenworth W900 — Fuel System
High risk
Jul 20, 2017
Model years: 2018
On certain vehicles equipped with Cummins ISX 15 engines and certain fuel pumps, the drive gear on the fuel pump may spin loose on the drive shaft. This could result in a loss of p
Also affects: Kenworth C500, Kenworth T680, Kenworth T800, Kenworth T880, Peterbilt 367
Kenworth W900 — Engine
High risk
Jun 8, 2016
Model years: 2017
On certain vehicles, the Engine Control Module (ECM) may develop an internal electrical short circuit that could blow a fuse in the ECM's electrical supply circuit. This could caus
Also affects: Kenworth C500, Kenworth T660, Kenworth T680, Kenworth T800, Kenworth T880
Kenworth W900 — Engine
High risk
Sep 23, 2015
Model years: 2016
On certain vehicles equipped with a Cummins engine, the Engine Control Module (ECM) could develop an internal electrical short circuit that could blow a fuse in the ECM’s electrica
Also affects: Peterbilt 587, Peterbilt 382, Kenworth T680, Peterbilt 579, Peterbilt 567
Kenworth W900 — Brakes
High risk
Jul 20, 2015
Model years: 2016
Certain vehicles fail to comply with the requirements of Canada Motor Vehicle Safety Standard 121 - Air Brake Systems. The two service brake connections of the SR-7 spring brake va
Also affects: Kenworth T800, Kenworth T660, Kenworth T880, Kenworth T470, Kenworth T680
Kenworth W900 — Engine
High risk
May 15, 2015
Model years: 2010, 2011, 2012, 2013, 2014, 2015, 2016
On certain vehicles equipped with Cummins Westport ISL-G engines, excessive engine crankcase pressure could cause the vent tube assembly elbow to detach from the breather. This cou
Also affects: Peterbilt 365, Peterbilt 348, Peterbilt 382, Peterbilt 384, Peterbilt 320
Kenworth W900 — Electrical
High risk
May 8, 2015
Model years: 2011, 2012, 2013, 2014, 2015, 2016
On certain vehicles, water could migrate into wiper motor head and could lead to internal corrosion. This internal corrosion could form a conductive salt bridge which could result
Also affects: Kenworth 963, Kenworth C500, Kenworth C540, Kenworth C550, Kenworth T270
Kenworth W900 — Wheels
High risk
May 8, 2015
Model years: 2016
On certain vehicles, the wheel nuts may have been insufficiently tightened during vehicle assembly. This could cause the wheel nuts to loosen and could lead to a complete separatio
Also affects: Kenworth T800, Kenworth T660, Kenworth T680, Kenworth T880
Kenworth W900 — Brakes
High risk
Dec 23, 2014
Model years: 2015
On certain vehicles, brake chamber diaphragm(s) may not be properly seated. This could lead to brake drag, causing brake overheating or unintended spring brake application. These i
Also affects: Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T470, Kenworth T660
Kenworth W900 — Electrical
High risk
Nov 7, 2014
Model years: 2015
On certain vehicles, an undersized wire in the trailer stop lamp circuit of the instrument panel harness is susceptible to thermal cycling which may cause damage to the wiring. Thi
Also affects: Kenworth C500, Kenworth T400, Kenworth T660, Kenworth T800
Kenworth W900 — Fuel System
High risk
Aug 7, 2014
Model years: 2015
On certain vehicles equipped with Cummins ISB and ISL engines, the fuel filter shell and nut plate could separate, causing a fuel leak and also causing the engine to stall. Stallin
Also affects: Kenworth K270, Kenworth K370, Kenworth T270, Kenworth T370, Kenworth T440
Kenworth W900 — Engine
High risk
Feb 19, 2014
Model years: 2014, 2015
On certain vehicles equipped with Cummins ISL G or ISX12 G engines, incorrect engine ECU programming could cause the exhaust system temperature to become elevated during cold weath
Also affects: Kenworth T440, Kenworth T660, Kenworth T800, Peterbilt 320, Peterbilt 365
Kenworth W900 — Seats And Restraints
High risk
Jan 24, 2014
Model years: 2014
On certain vehicles, the seat belts may not comply with Canada Motor Vehicle Safety Standard 209 - Seat Belt Assemblies. Due to a defect in manufacturing, the seat belt buckle may
Also affects: Kenworth C500, Kenworth C550, Kenworth T170, Kenworth T270, Kenworth T370
Kenworth W900 — Lights And Instruments
High risk
Dec 5, 2013
Model years: 2014
The stop/turn/tail lights used on certain vehicles may not comply with the requirements of Canada Motor Vehicle Safety Standard (CMVSS) 108 - Lighting System and Retroreflective De
Also affects: Kenworth T170, Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T470
Kenworth W900 — Electrical
High risk
May 24, 2013
Model years: 2014
On certain trucks, an internal defect in the ignition switch can cause the starter to engage when the key is partially inserted. This would allow the engine to start unexpectedly,
Also affects: Kenworth T170, Kenworth T270, Kenworth T370, Kenworth T470, Kenworth T660
Kenworth W900 — Powertrain
High risk
Aug 21, 2012
Model years: 2013
On certain trucks, the driveshaft attachment bolts may not have received adequate tightening torque during vehicle assembly. Should the fasteners loosen and fall out, a driveshaft
Also affects: Kenworth T400, Kenworth T600, Kenworth T700, Kenworth T800
Kenworth W900 — Brakes
High risk
Jan 27, 2012
Model years: 2012, 2013
On certain trucks equipped with Bendix ATR-6 Antilock Traction Relay valves, in extremely cold conditions (at or below -18 degrees Celsius), internal ATR valve leakage can occur. T
Also affects: Kenworth T170, Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T470
Kenworth W900 — Engine
High risk
Mar 24, 2011
Model years: 2007, 2008, 2009, 2010, 2011
On certain trucks equipped with a Caterpillar C15 diesel engine, the Diesel Particulate Filter (DPF) combustion tube may fail. This could result in a vehicle fire causing property
Also affects: Kenworth T600, Kenworth T2000, Kenworth T800, Kenworth C500, Kenworth T660
Kenworth W900 — Brakes
High risk
Mar 7, 2011
Model years: 2011, 2012
On certain vehicles, the slack adjuster housings may have been manufactured incorrectly, which could allow the housings to fracture and fail. As a result, the wheel brake to which
Also affects: Kenworth T660, Kenworth T370, Kenworth T470, Kenworth T440, Kenworth T270
Kenworth W900 — Engine
High risk
Feb 25, 2011
Model years: 2007, 2008, 2009, 2010, 2011, 2012
On certain vehicles equipped with a PACCAR MX engine, the oil module centrifugal spinner filter cap may become loose, possibly allowing the cap to come off and engine oil to partia
Also affects: Peterbilt 365, Peterbilt 388, Kenworth T700, Peterbilt 587, Kenworth T800
Kenworth W900 — Powertrain
High risk
Dec 13, 2010
Model years: 2007, 2008
On certain vehicles, the bearing surfaces of the extended lube universal joint that attaches the inter-axle driveline to the drive axle may become prematurely worn due to breakdown
Also affects: Kenworth T660, Kenworth T800, Peterbilt 386, Peterbilt 388, Peterbilt 385
Kenworth W900 — Brakes
High risk
Oct 28, 2010
Model years: 2009, 2010, 2011
On certain vehicles equipped with the AG400L suspension and air disc brakes, a caliper could be installed on the wrong side of the drive axle. This could cause interference with th
Also affects: Kenworth T660, Kenworth T700, Kenworth T800
Kenworth W900 — Engine
High risk
Oct 4, 2010
Model years: 2011
On certain vehicles, the exhaust gas recirculation (EGR) oil seal installed on the output shaft of the valve actuator may delaminate, possibly allowing engine oil to leak from the
Also affects: Kenworth T800, Peterbilt 587, Kenworth T700, Peterbilt 384, Peterbilt 388
Kenworth W900 — Electrical
High risk
Sep 29, 2010
Model years: 2011
On certain vehicles, one of the harness spade terminal connections to the chassis load center may become completely unseated. An unseated connection may result in a power loss to a
Also affects: Kenworth T800, Kenworth C500, Kenworth T470, Kenworth T660, Kenworth T440
Kenworth W900 — Steering
High risk
Jun 30, 2010
Model years: 2008, 2009, 2010
On certain trucks, the weld around the steering shaft tube, which joins the splined tube to the non-splined intermediate tube, may be mislocated. An improperly located weld bead ma
Also affects: Kenworth C500, Kenworth T2000, Kenworth T660, Kenworth T800, Peterbilt 365
Kenworth W900 — Suspension
High risk
Apr 30, 2010
Model years: 2010
On certain vehicles, the rear axle outer end hub may have not been primed with oil properly during the rear axle installation process. Potential lack of oil may cause the outer end
Also affects: Kenworth T2000, Kenworth T660, Kenworth T800
Kenworth W900 — Brakes
High risk
Oct 29, 2009
Model years: 2004, 2005, 2006, 2007, 2008, 2009
Certain vehicles may suffer cracking of various brake assembly components (i.e. brake cam tube mounting flanges, brake air chamber bracket, brake air chamber, brake spider). Over t
Also affects: Kenworth T660, Kenworth T600, Kenworth T800, Kenworth T2000
Kenworth W900 — Suspension
High risk
Oct 22, 2009
Model years: 2009, 2010
On certain trucks, the rear axle u-bolts may have received insufficient tightening torque during vehicle assembly. This could allow the u-bolts to loosen over time, which may cause
Also affects: Kenworth T800, Kenworth T660, Kenworth T2000
Kenworth W900 — Engine
High risk
Aug 19, 2009
Model years: 2004, 2005, 2006, 2007, 2008
On certain vehicles equipped with a Caterpillar C15 engine, the Variable Valve Actuation (VVA) oil line may wear against the P-clip retaining the oil line. An oil leak could result
Also affects: Kenworth C500, Kenworth T2000, Kenworth T600, Kenworth T800, Peterbilt 357
Kenworth W900 — Steering
High risk
Jul 13, 2009
Model years: 2009
On certain vehicles, an incorrect weld on the steering shaft tube assembly may allow the splined tube and the non-splined tube to rotate relative to one another during a low speed,
Also affects: Kenworth T2000, Kenworth T660, Kenworth T800, Peterbilt 365, Peterbilt 367
Kenworth W900 — Brakes
High risk
May 20, 2009
Model years: 2005, 2007, 2008, 2009
On certain vehicles, the caliper mounting fasteners attaching the air disc brake caliper assembly to the torque plate may have received insufficient tightening torque during the as
Also affects: Kenworth T660, Kenworth T800
Kenworth W900 — Emissions
High risk
Jan 16, 2009
Model years: 2008
On certain vehicles, the Aftertreatment Regeneration Device (ARD) may develop a hole allowing heat and flame to escape during a regeneration of the Diesel Particulate Filter (DPF).
Also affects: Kenworth T2000, Peterbilt 379, Peterbilt 387
Kenworth W900 — Suspension
High risk
Oct 1, 2008
Model years: 2004, 2005, 2006, 2007, 2008, 2009
Certain vehicle configuration which includes an AG400 rear suspension, long stroke brake chambers, and wide base tires may develop an increase in lateral and vertical axle movement
Also affects: Kenworth T660, Kenworth Tc2000, Kenworth T800, Kenworth T600
Kenworth W900 — Fuel System
High risk
Sep 24, 2008
Model years: 2008, 2009
On certain trucks equipped with a Caterpillar C9 diesel engine, the fuel pump outlet check plug may crack and cause fuel to spray and leak from the fuel pump which may create a fir
Also affects: Peterbilt 365, Peterbilt 387, Kenworth T800
Kenworth W900 — Other
High risk
Sep 24, 2008
Model years: 2006, 2007, 2008, 2009
On certain trucks, the inadequate stiffness of the Diesel Particulate Filter (DPF) bracket could result in the separation of the DPF from the chassis, which could result in persona
Also affects: Kenworth T2000, Kenworth T600, Kenworth T660, Kenworth T800, Peterbilt 365
Kenworth W900 — Suspension
High risk
Jul 11, 2008
Model years: 2009
On certain trucks, the rear axle u-bolts may have received insufficient tightening torque during vehicle assembly. This could allow the u-bolts to loosen over time, which may cause
Also affects: Kenworth T2000, Kenworth T600, Kenworth T660, Kenworth T800
Kenworth W900 — Lights And Instruments
High risk
Apr 28, 2008
Model years: 2007
On certain vehicles, the trailer cable mounting bracket has a "U-shaped" cut-out that only partially supports the trailer cable connection. This may allow the moulded boot and elec
Also affects: Kenworth C500, Kenworth T2000, Kenworth T600, Kenworth T800
Kenworth W900 — Brakes
High risk
Mar 19, 2008
Model years: 2008, 2009
Certain vehicles may have been assembled with an incorrectly manufactured Bendix MV-3 dash control valve. If the double check valve becomes lodged, in the event of a primary reserv
Also affects: Kenworth C500, Kenworth T2000, Kenworth T660, Kenworth T800, Peterbilt 367
Kenworth W900 — Brakes
High risk
Feb 29, 2008
Model years: 2005, 2006, 2007
On certain vehicles, the slack adjuster may develop a fatigue crack and fail. This would render the slack adjuster inoperative, and reduce braking effectiveness. Extended stopping
Also affects: Kenworth C500, Kenworth T800
Kenworth W900 — Other
High risk
Feb 12, 2008
Model years: 2008
On certain vehicles, the door latch may have been manufactured incorrectly. If the latch rotor cracks, the latch would not have primary or secondary closing security. Attempting to
Also affects: Kenworth 953, Kenworth C500, Kenworth K500, Kenworth T2000, Kenworth T300
Kenworth W900 — Brakes
High risk
Jan 7, 2008
Model years: 2008
Certain vehicles fail to comply with requirements of CMVSS 121 - Air Brake System. The air lines were incorrectly constructed with only four layers of extruded nylon material, inst
Also affects: Kenworth T800, Peterbilt 320, Kenworth 953, Kenworth K500, Peterbilt 325
Kenworth W900 — Fuel System
High risk
May 8, 2007
Model years: 2007, 2008
On certain trucks, when the ignition key is in the 'ON' position, the pre-heater, located in the fuel filter base, is energized. If this pre-heater is energized while maintenance i
Also affects: Kenworth T600, Kenworth T800, Peterbilt 365, Peterbilt 367, Peterbilt 379
Kenworth W900 — Other
High risk
Apr 10, 2007
Model years: 2008
On certain trucks, the hood safety cables, installed during vehicle assembly, are too long. If the hood begins to fall, the longer cable will cause the hood to fall too far, potent
Also affects: Kenworth T800
Kenworth W900 — Powertrain
High risk
Apr 10, 2007
Model years: 2003, 2004, 2005, 2006, 2007, 2008
On certain trucks, the wiring, parts, or transmission programming required for the auto neutral feature to function as designed were either not installed, connected, or programmed
Also affects: Kenworth C500, Kenworth T300, Kenworth T800
Kenworth W900 — Brakes
High risk
Mar 21, 2007
Model years: 2006, 2007
Certain trucks fail to comply with the requirements of CMVSS 121 - Air Brake Systems. In designing a Primaax suspension into certain models, engineers relocated the single relay va
Also affects: Kenworth T800, Kenworth C500, Kenworth T2000
Kenworth W900 — Other
High risk
Mar 20, 2007
Model years: 2007, 2008
On certain trucks, the axle housing may have been manufactured with steel that was out of specification (9.5mm thick instead of 11mm thick), which could result in a fatigue failure
Also affects: Kenworth T800, Peterbilt 385, Peterbilt 379, Peterbilt 357, Peterbilt 378
Kenworth W900 — Steering
High risk
Nov 17, 2006
Model years: 2007, 2008
On certain trucks, the tilt locking mechanism on the steering column may disengage, preventing the steering column from locking into predetermined positions. Should the locking mec
Also affects: Kenworth T600, Kenworth T800
Kenworth W900 — Engine
High risk
Dec 22, 2005
Model years: 2004, 2005, 2006
On certain vehicles equipped with a Caterpillar engine, the Variable Valve Actuation oil line (VVA line) used on 6 cylinder, 15L turbocharged and air-to-air aftercooled diesel engi
Also affects: Kenworth C500, Kenworth T600, Kenworth T800, Peterbilt 357, Peterbilt 378
Kenworth W900 — Suspension
High risk
May 20, 2005
Model years: 2005, 2006
On certain vehicles, the rear suspension sway bar could fail causing the rear axle to come loose. As a result, the driver may experience a loss of vehicle control which could cause
Also affects: Kenworth C500, Kenworth T2000, Kenworth T600, Kenworth T800
Kenworth W900 — Suspension
High risk
Apr 29, 2005
Model years: 2004, 2005
On certain vehicles, the rear suspension transverse beam castings were not made to specifications. If a casting were to break when the vehicle is in motion, parts could become proj
Also affects: Kenworth C500, Kenworth T2000, Kenworth T600, Kenworth T800, Peterbilt 357
Kenworth W900 — Heater And Defroster
High risk
Mar 24, 2005
Model years: 2003, 2004, 2005
On certain vehicles, burner tubes in the Webasto DBW 2010 Scholastic coolant heater may begin deteriorating at an accelerated rate and could fail. Burner tube failure could result
Also affects: Kenworth C500, Kenworth T600, Kenworth T800
Kenworth W900 — Electrical
High risk
Dec 10, 2004
Model years: 2005
On certain vehicles, the terminals on the Power Feed Harness P92-1993 were not properly crimped. The defect could lead to intermittent power loss affecting the electrical system an
Also affects: Kenworth C500, Kenworth K100, Kenworth T2000, Kenworth T300, Kenworth T600
Kenworth W900 — Structure
High risk
Oct 25, 2004
Model years: 2004
On certain vehicles, the huck bolts used in the cab sub-assembly involving the door aperture and rear cab pillar was not properly installed. Under extreme loading conditions which
Also affects: Kenworth T600, Kenworth T800
Kenworth W900 — Powertrain
High risk
Sep 14, 2004
Model years: 2004
On certain vehicles, the U-joint fasteners at the output yoke of the transmission were not properly torqued during assembly. If the U-joints were to become loose, a portion of the
Also affects: Kenworth T600, Kenworth T800
Kenworth W900 — Electrical
High risk
Jul 21, 2004
Model years: 2003, 2004
On certain vehicles, a potential chaffing point may exist between a heat shield on the engine and the wiring for the alternator. The interference is only present with the combinati
Also affects: Kenworth T600, Kenworth T800
Kenworth W900 — Label
High risk
Jul 15, 2004
Model years: 2004
Certain vehicles do not comply with the requirements of CMVSS 120. The vehicle tire pressure was omitted from the certification label. Correction: Dealers will install correct labe
Also affects: Kenworth K100, Kenworth T2000, Kenworth T600, Kenworth T800
Kenworth W900 — Electrical
High risk
Aug 5, 2003
Model years: 2002, 2003
On certain vehicles, the optional battery-mounted 50 amp and/or 60 amp circuit breaker had been wired incorrectly. If enough accessories are being used simultaneously during operat
Also affects: Kenworth T600, Kenworth T800
Kenworth W900 — Other
High risk
Jul 2, 2003
Model years: 2002, 2003
On certain vehicles, the grabhandles were mounted too high and may limit the ability to maintain 3-points of contact at all times. This condition may cause a person to slip and/or
Also affects: Kenworth T2000, Kenworth T600, Kenworth T800
Kenworth W900 — Other
High risk
May 5, 2003
Model years: 2001, 2002, 2003
On certain vehicles, fatigue cracks can initiate in the weld joining the bracket pin to its mounting flange on the fifth wheel assembly. Weld failures could lead to the loss of the
Also affects: Kenworth T2000, Kenworth T300, Kenworth T600, Kenworth T800, Peterbilt 357
Kenworth W900 — Suspension
High risk
Mar 31, 2003
Model years: 1999
On certain vehicles, the ArvinMeritor FF98X series non-drive steer axle hubs may contain defects that could cause premature spalling of the affected bearings and eventually lead to
Also affects: Peterbilt 379, Kenworth T2000
Kenworth W900 — Lights And Instruments
High risk
Feb 13, 2003
Model years: 2002, 2003
On certain vehicles a rubber grommet from the trailer light line connector is missing. Kenworth chassis equipped with trailer connections are experiencing corrosion at the 7-way tr
Also affects: Kenworth C500, Kenworth K100e, Kenworth T2000, Kenworth T300, Kenworth T600
Kenworth W900 — Brakes
High risk
Sep 11, 2002
Model years: 2002
On certain vehicles, the delivery port inside Bendix trailer hand control brake valves may be partially blocked due to a problem during the molding process. Such a blockage may slo
Also affects: Peterbilt 330, Peterbilt 378, Kenworth T300, Peterbilt 379, Peterbilt 385
Kenworth W900 — Electrical
High risk
Feb 1, 2002
Model years: 2002
On certain vehicles the Power Distribution Box was manufactured with insufficient torque applied to the nut of the main power feed-through stud. Insufficient torque on the subject
Also affects: Kenworth T800
Kenworth W900 — Engine
High risk
Nov 16, 2001
Model years: 2002
Certain heavy duty trucks. The driveline u-joint fasteners at the output yoke of the transmission were improperly tightened. Under-tightened fasteners can lead to the driveline bec
Also affects: Kenworth T2000, Kenworth T600, Kenworth T800
Kenworth W900 — Other
High risk
Sep 10, 2001
Model years: 2001
Certain heavy duty trucks built between March 5, 2001 and June 4, 2001. Fail to comply with the requirements of C.M. V. S.S. 103, "windshield defrosting and defogging systems." the
Also affects: Kenworth C500, Kenworth T600, Kenworth T800
Kenworth W900 — Steering
High risk
Aug 27, 2001
Model years: 2000, 2001
Certain heavy duty trucks equipped with TRW tie rod ends on certain meritor axles. The tie rod and drag link ball stud ends contain bearings that are below the specified case depth
Also affects: Kenworth T300, Kenworth T2000, Kenworth C500, Kenworth T600, Kenworth T800
Kenworth W900 — Suspension
High risk
May 31, 2001
Model years: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Certain heavy duty trucks equipped with Meritor FG941 steer axles. The Gross Axle Weight Rating (GAWR) was determined incorrectly and over-stated on the vehicle certification label
Also affects: Kenworth T800
Kenworth W900 — Not Entered
High risk
May 30, 2001
Model years: 2001
Certain heavy duty trucks equipped with Chalmers 1000 Series and 800 Series suspension kits. These suspension kits may have insufficient penetration of the weld attaching the torqu
Also affects: Peterbilt 330, Kenworth T300, Kenworth T800, Kenworth C500, Kenworth K100
Kenworth W900 — Steering
High risk
May 17, 2001
Model years: 1999
Certain vehicles equipped with TRW brand tie rod model number 24-DL. The tie rod ball-socket bearings have a below specification case depth and/or hardness, which can lead to prema
Also affects: Kenworth C500, Kenworth K100, Kenworth T2000, Kenworth T300, Kenworth T600
Kenworth W900 — Suspension
High risk
May 16, 2001
Model years: 1996, 1997, 1998, 1999, 2000, 2001
On certain vehicles, the rear suspension is regularly subjected to extreme articulation, resulting in flexing of the joint. Failure of the lower sway arm attaching bolts could resu
Also affects: Kenworth T600, Kenworth T800, Kenworth T2000, Kenworth K100, Kenworth C500
Kenworth W900 — Electrical
High risk
Feb 8, 2001
Model years: 1999, 2000, 2001
On certain vehicles, the main cab power and battery leads were attached incorrectly to the same side of the 135A circuit breaker when this circuit breaker was mounted in the option
Also affects: Kenworth C500, Kenworth T600, Kenworth T800
Kenworth W900 — Suspension
High risk
Aug 19, 1997
Model years: 1995, 1996, 1997
NOTE: VEHICLES EQUIPPED WITH AIRGLIDE 200 REAR SUSPENSION. DUE TO THE MATERIALS USED IN THE SWAY BAR ARMS AND THE STUDS AS WELL AS THE STUD PLATING, A COMBINATION OF STRESS CORROSI
Also affects: Kenworth T2000, Kenworth T400, Kenworth T600, Kenworth T800
Kenworth W900 — Lights And Instruments
High risk
Apr 10, 1996
Model years: 1996
NOTE: VEHICLES EQUIPPED WITH FEDERAL MOGUL SIGNAL-STAT TURN SIGNAL SWITCHES. THE WIRES THAT CORRESPOND TO THE VEHICLE'S REAR TURN SIGNALS MAY HAVE BEEN REVERSED WHEN INSTALLED IN T
Also affects: Kenworth C500, Kenworth K100, Kenworth T400, Kenworth T600, Kenworth T800
Kenworth W900 — Suspension
High risk
Nov 5, 1986
Model years: 1976, 1977, 1978, 1979, 1980, 1981, 1982
THE ALUMINUM FRONT HUBS MAY NOT MEET THE REQUIRED HARDNESS SPECIFICATIONS. INSUFFICIENT HARDNESS COULD LEAD TO HUB FAILURE AND POSSIBLE LOSS OF CONTROL AND VEHICLE CRASH. CORRECTIO
Also affects: Kenworth Hustler, Kenworth K100
RecallTracker