Kenworth C500 — 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 T680, Kenworth T800, Kenworth T880, Kenworth W900, Kenworth W990
Kenworth C500 — 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 T440, Kenworth T470, Kenworth T680, Kenworth T800, Kenworth T880
Kenworth C500 — 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 T800, Kenworth W900
Kenworth C500 — 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 T270, Kenworth T370, Kenworth T380, Kenworth T440, Kenworth T480
Kenworth C500 — 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 T270, Kenworth T370, Kenworth T440, Kenworth T660, Kenworth T800
Kenworth C500 — 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 C500 — 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 W900, Kenworth T800, Kenworth T660
Kenworth C500 — 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 T680, Kenworth T800, Kenworth T880, Kenworth W900, Peterbilt 367
Kenworth C500 — Brakes
High risk
May 18, 2017
Model years: 2012, 2013, 2014, 2015, 2016, 2017, 2018
Certain vehicles equipped with Neway ADZ Tridem rear suspension may not comply with the brake timing requirements of Canada Motor Vehicle Safety Standard (CMVSS) 121 - Air Brake Sy
Also affects: Kenworth T800, Kenworth T880
Kenworth C500 — 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 T660, Kenworth T680, Kenworth T800, Kenworth T880, Kenworth W900
Kenworth C500 — 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 C540, Kenworth C550, Kenworth T270, Kenworth T370
Kenworth C500 — 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 T400, Kenworth T660, Kenworth T800, Kenworth W900
Kenworth C500 — 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 C550, Kenworth T170, Kenworth T270, Kenworth T370, Kenworth T440
Kenworth C500 — 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 W900, Kenworth T660
Kenworth C500 — 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 C500 — 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 T470, Kenworth T660, Kenworth T440, Kenworth W900
Kenworth C500 — 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 T2000, Kenworth T660, Kenworth T800, Kenworth W900, Peterbilt 365
Kenworth C500 — Brakes
High risk
May 6, 2010
Model years: 2009, 2010, 2011
On certain vehicles maneuvered with certain combinations of wheel turn, articulation and bump, the brake chamber can contact the rear hood support. The contact can damage the brake
Kenworth C500 — 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 T2000, Kenworth T600, Kenworth T800, Kenworth W900, Peterbilt 357
Kenworth C500 — 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 T2000, Kenworth T600, Kenworth T800, Kenworth W900
Kenworth C500 — 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 T2000, Kenworth T660, Kenworth T800, Kenworth W900, Peterbilt 367
Kenworth C500 — 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 T800, Kenworth W900
Kenworth C500 — 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 K500, Kenworth T2000, Kenworth T300, Kenworth T660
Kenworth C500 — 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 C500 — Steering
High risk
Dec 18, 2007
Model years: 2008
On certain trucks, an incorrectly manufactured steering gear sector shaft may cause the steering to "stick or bind". This could severely restrict the steering turning angle, possib
Also affects: Peterbilt 320, Peterbilt 389k, Kenworth T800, Kenworth T2000, Peterbilt 387
Kenworth C500 — Other
High risk
May 17, 2007
Model years: 2007, 2008
On certain trucks, the rear hood mounting brackets can contact the front axle brake chamber during full axle articulation. If contact occurs, two possible scenarios may result: 1).
Kenworth C500 — 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 T300, Kenworth T800, Kenworth W900
Kenworth C500 — 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 W900, Kenworth T2000
Kenworth C500 — 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 T600, Kenworth T800, Kenworth W900, Peterbilt 357, Peterbilt 378
Kenworth C500 — 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 T2000, Kenworth T600, Kenworth T800, Kenworth W900
Kenworth C500 — 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 T2000, Kenworth T600, Kenworth T800, Kenworth W900, Peterbilt 357
Kenworth C500 — 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 T600, Kenworth T800, Kenworth W900
Kenworth C500 — 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 K100, Kenworth T2000, Kenworth T300, Kenworth T600, Kenworth T800
Kenworth C500 — 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 K100e, Kenworth T2000, Kenworth T300, Kenworth T600, Kenworth T800
Kenworth C500 — 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 T600, Kenworth T800, Kenworth W900
Kenworth C500 — 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 T600, Kenworth T800, Kenworth W900
Kenworth C500 — 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 K100, Kenworth W900
Kenworth C500 — 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 K100, Kenworth T2000, Kenworth T300, Kenworth T600, Kenworth T800
Kenworth C500 — 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 W900, Kenworth T2000, Kenworth K100
Kenworth C500 — 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 T600, Kenworth T800, Kenworth W900
Kenworth C500 — 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 K100, Kenworth T400, Kenworth T600, Kenworth T800, Kenworth W900
Kenworth C500 — Visual System
High risk
Jun 11, 1991
Model years: 1989, 1990, 1991
THE SPRAGUE WIPER ASSEMBLY PIVOT CAN SEIZE DUE TO GALVANIC CORROSION BETWEEN THE ZINC-PLATED STEEL SHAFT AND THE BRONZE BUSHING CAUSING THE WIPER ARM/BLADE ASSEMBLY TO STOP WIPING
Also affects: Kenworth T400, Kenworth T450, Kenworth T600a, Kenworth T800, Kenworth W900b
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