Kenworth W900 recalls

• Fuel System#2024630October 23, 2024

  564 units affected

  Issue: 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. If this happens, the engine could stall. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: Cummins will notify owners by mail and advise you to take your vehicle to a Cummins authorized service facility to replace the fuel pump barrels.

• Steering#2024335June 12, 2024

  757 units affected

  Issue: 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. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: PACCAR advises not to drive the truck until the recall repairs are completed. PACCAR will notify owners by mail and advise you to contact a dealership to arrange for an inspection. The dealer will replace the drag link and/or tie rod, as necessary.

• Brakes#2024121February 23, 2024

  171 units affected

  Issue: 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 reservoir capacity to ensure the brakes work even with heavy use or when there is a partial loss of the air system. Safety Risk: Reduced braking can cause extended stopping distances and increase the risk of a crash. Corrective Actions: PACCAR will notify owners by mail and advise you to take your truck to a dealership to replace or add an additional air reservoir tank, as necessary.

• Seats And Restraints#2023573October 26, 2023

  1,532 units affected

  Issue: 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. Safety Risk: A seat belt that doesn't work properly could increase the risk of injury in a crash. Corrective Actions: PACCAR will notify owners by mail and advise you to take your truck to a dealership to remove the spacer(s) and replace the bolt(s).

• Steering#2022592October 19, 2022

  98 units affected

  Issue: 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 could cause a loss of steering control. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: PACCAR will notify owners by mail and instruct you to take your truck to a dealership to replace both tie rod end clamps.

• Engine#2022470August 18, 2022

  186 units affected

  Issue: 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. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: PACCAR will notify owners by mail and instruct you to take your truck to a Cummins authorized service center to replace the engine control module.

• Steering#2022410July 28, 2022

  3,041 units affected

  Issue: 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. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: PACCAR will notify owners by mail and instruct you to take your vehicle to a dealership to inspect the serial number on the steering gear, and replace it, if necessary.

• Steering#2022210April 25, 2022

  985 units affected

  Issue: 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 loss of steering control. Note: This recall only affects trucks equipped with a Dana D-series steer axle. Safety Risk: A loss of steering control could increase the risk of a crash. Corrective Actions: PACCAR will notify owners by mail. The corrective actions for this recall are under development.

• Powertrain#2021223April 13, 2021

  12 units affected

  Issue: 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. If this happens, the truck could move suddenly when it is started. Safety Risk: Sudden and unexpected movement of the truck could create a risk of injury or a crash. Corrective Actions: PACCAR will notify owners by mail and instruct you to take your truck to a dealer for an inspection. The transmission and chassis wiring harnesses will be properly connected, if required.

• Powertrain#2021069February 17, 2021

  47 units affected

  Issue: 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 could be a loss of power to the wheels and parts could be ejected from the engine compartment. Safety Risk: A loss of power to the wheels could increase the risk of a crash. Parts that are ejected from the engine compartment could create a risk of injury. Corrective Actions: Cummins will notify owners by mail and instruct you to take your truck to a Cummins authorized service center to tighten the flywheel cap screws. Cummins will repair damaged components, as necessary.

• Suspension#2020399August 27, 2020

  502 units affected

  Issue: 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 from the truck. Note: This recall only affects trucks built with Watson Chalin SL2065 lift axles. Safety Risk: Large fasteners that fall on the road could create a road hazard for others and increase the risk of a crash. Corrective Actions: PACCAR will notify owners by mail and instruct you to take your truck to a dealer to inspect and replace the lift axle pivot bolts, as necessary.

• Lights And Instruments#2020148April 7, 2020

  65,284 units affected

  Issue: 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 the ABS is not working properly. Note: This problem would also cause the traction control (TC) and electronic stability control (ESC) lights not to turn on. Safety Risk: If a driver is not warned that the ABS is not working properly, there could be an increased risk of a crash. Corrective Actions: PACCAR will notify owners by mail and instruct you to take your truck to a dealer to update the software for the cab control module (CECU).

• Powertrain#2019118March 7, 2019

  2 units affected

  Issue: 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, wheel, and tires) from the truck. Safety Risk: The separation of a wheel end could increase the risk of a crash. Wheels that separate could also strike another road user. Corrective Actions: The company will notify owners by mail. Owners will be instructed to take their truck to a dealer to have the rear axle oil level inspected. If no oil is present, all wheel ends will be removed and bearing, hub and axle shafts inspected for damage. If excessive wear or heat damage is found, the parts will be replaced. The axles will be filled with the correct amount of oil.

• Powertrain#2018739December 24, 2018

  2,634 units affected

  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 this occurs, the broken clutch components could prevent the transmission from disengaging or shifting to neutral. This could result in unintended vehicle movement, even if the parking brake is applied, increasing the risk of a crash causing injury and/or damage to property. Correction: Dealers will recalibrate the Transmission Control Module (TCM).

• Fuel System#2018527September 25, 2018

  2,974 units affected

  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 line to burst. This could result in a significant fuel leak onto the roadway, which would create a road hazard for other motorists. Additionally, this condition could also cause an engine stall without warning, without the ability to restart the engine. Both of these conditions may increase the risk of a crash causing injury and/or damage to property. Correction: Cummins-authorized dealers will replace the affected nylon line with a steel line.

• Electrical#2018442August 23, 2018

  4,186 units affected

  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 sounding of the Stop Engine Alarm. A failure to notify the operator of a serious engine problem may result in an engine failure without warning, and loss of motive power while the vehicle is in motion, which could increase the risk of a crash causing injury and/or property damage. Correction: Dealers will inspect and/or test the engine harness for the missing circuits, and if found missing, an overlay jumper harness will be installed.

• Brakes#2018389July 24, 2018

  214 units affected

  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 Systems for Heavy Vehicles. In the event that the anti-lock brake system (ABS) loses battery and/or ignition power to the controller, the ABS indicator lamp may not illuminate to warn the driver of the loss of ABS, which is contrary to the requirements of the standards. This could result in the loss of ABS function with no warning to the driver, which could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will reprogram the cab control module.

• Steering#2017461September 25, 2017

  281 units affected

  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 axle, which would result in audible noise and/or looseness in steering. If the vehicle were continued to be operated in this condition, the tie rod could disconnect from the knuckle, resulting in a complete loss of control of a vehicle wheel, which would increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will inspect the torque of the castellated nuts on the tie rod, and replace the tie rod stud and knuckle as necessary.

• Fuel System#2017361July 20, 2017

  533 units affected

  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 pumping function, which could result in an engine stall without warning and not being able to be restarted, which could increase the risk of a crash causing injury and/or damage to property. Correction: Cummins-authorized dealers will replace the fuel pump.

• Engine#2016289June 8, 2016

  178 units affected

  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 cause the engine to stall without warning and prevent the vehicle from being restarted. Engine stalling without warning would result in lost propulsion which, in conjunction with traffic and road conditions, and the driver's reactions, could increase the risk of a crash causing property damage and/or personal injury. Correction: Dealers will replace the ECM.

• Lights And Instruments#2016245May 24, 2016

  40 units affected

  Certain vehicles may not comply with the requirements of Canada Motor Vehicle Safety Standard (CMVSS) 108 - Lighting System and Retroreflective Devices. Forward lighting could be temporarily lost when switching from low beams to high beams due to a delay in activation of the high beams. Although low beam functionality returns if the operator switches back to low beams, the temporary is contrary to the requirements of the standard, and would reduce driver visibility, which could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will modify the wiring harness.

• Engine#2015418September 23, 2015

  9 units affected

  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 electrical supply circuit. This could result in an unexpected engine stall without the ability to restart the engine, which could increase the risk of a crash. Correction: Dealers will replacing the existing, affected ECM with a new ECM.

• Brakes#2015318July 20, 2015

  32 units affected

  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 valve assembly that provide the valve with feedback from the primary and secondary service brake applications may have been reversed during installation. Although the SR-7 valve would still function properly if there were normal reservoir pressure, in the event of a failure in the primary or secondary circuit, the redundant circuit would not provide adequate service brake functionality, and the vehicle would fail to meet the emergency brake system performance standard. This could result in reduced braking performance which could result in a vehicle crash. Correction: Dealers will inspect, remove and reconnect the air lines to the correct port of the SR-7 valve.

• Engine#2015211May 15, 2015

  169 units affected

  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 could allow engine oil to come in contact with hot surfaces, increasing the risk of fire resulting in injury and/or damage to property. Correction: Dealers will install clamps at both ends of the elbow of the breather tube assembly and reprogram the Electronic Control Module (ECM) to improve diagnostic capabilities.

• Electrical#2015190May 8, 2015

  22,815 units affected

  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 in a short circuit, causing the wiper system to fail. Loss of windshield wiping capability, should it occur during a rainy/snowy day, may compromise the driver's ability to see the road and its users, and a short circuit could increase the risk of fire, which could result in injury and/or damage to property. Correction: Dealers will install a shield over the wiper motor to protect it from water intrusions and prevent corrosion.

• Wheels#2015188May 8, 2015

  3 units affected

  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 separation of the wheel(s) from the vehicle, increasing the risk of a crash causing injury and/or damage to property. Correction: Dealers will inspect, and properly tighten the lug nuts to specification.

• Brakes#2014590December 23, 2014

  218 units affected

  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 issues could increase the risk of a crash causing injury and/or property damage. Correction: Dealers will replace the brake chambers.

• Electrical#2014512November 7, 2014

  388 units affected

  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. This could result in the trailer lamp fuse failing, which could cause stop lamps to become inoperative and increase the risk of a crash. This damaged wiring could also increase the risk of fire. These issues could result in injury and/or damage to property. Correction: Dealers will replace the undersized wire in the harness.

• Fuel System#2014339August 7, 2014

  199 units affected

  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. Stalling would result in a loss of motive power, increasing the risk of a crash resulting in injury and/or damage to property. Correction: Dealers will replace the fuel filter.

• Engine#2014046February 19, 2014

  82 units affected

  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 weather operation. This could also cause flames to be emitted from the exhaust. As a result, nearby combustible material could be ignited, increasing the risk of a fire, injury and/or damage to property. Correction: Authorized Cummins service facilities will update software programming.

• Seats And Restraints#2014020January 24, 2014

  1,646 units affected

  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 not release as required by the standard. This could hinder egress from the vehicle in an emergency, increasing the risk of injury. Correction: Dealers will inspect and, if necessary, replace affected seatbelt buckles.

• Lights And Instruments#2013432December 5, 2013

  702 units affected

  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 Devices. The plastic lamp housing may shrink, causing the light to fall out of the light retention ring . In this situation, the light would no longer comply with the mounting requirements of CMVSS 108 and visibility to other motorists would be affected. This could increase the risk of a crash causing property damage and/or personal injury. Correction: Dealers will replace affected lights.

• Electrical#2013178May 24, 2013

  255 units affected

  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, which could injure someone working in the engine compartment. Also, manual transmission vehicles without the neutral start option may move unexpectedly if the transmission is in gear at the time the key is inserted. This could result in a crash causing property damage and/or personal injury. Correction: Dealers will inspect and, if necessary, replace the ignition switch assembly.

• Powertrain#2012285August 21, 2012

  143 units affected

  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 could detach from the vehicle. This would result in a loss of vehicle propulsion which, in conjunction with traffic and road condition, and the driver’s reactions, could increase the risk of a crash. Also, a driveshaft separating from the vehicle could strike another vehicle, a stationary object, or a bystander. These issues could result in property damage and/or personal injury. Correction: Dealers will tighten the U-joint fasteners of both driveshafts to the prescribed torque.

• Brakes#2012027January 27, 2012

  1,434 units affected

  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. This could cause unintended brake application, which could overheat the affected brakes and cause a fire. Also, in certain low traction conditions, unexpected brake application can cause a loss of vehicle control and a crash. These issues could result in property damage and/or personal injury. Correction: Dealers will update the cover assembly on the ATR valves.

• Engine#2011130March 24, 2011

  2,034 units affected

  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 damage and/or personal injury. Correction: Dealers will replace the DPF combustion tube.

• Brakes#2011105March 7, 2011

  64 units affected

  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 the slack adjuster is attached would no longer function, which could increase vehicle stopping distances. Should a steer axle slack adjuster fail, it could also cause the vehicle to pull to one side during braking. Either problem could result in a crash causing property damage and/or personal injury. Correction: Dealers will inspect and, if necessary, replace the slack adjusters.

• Engine#2011087February 25, 2011

  589 units affected

  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 partially discharge from the oil module onto nearby exhaust components. The discharge of engine oil onto hot exhaust components could result in a fire causing property damage and/or personal injury. Correction: Dealers will re-torque the oil module filter cap and install a secondary retention device on the secondary centrifugal spinner filter cap.

• Brakes#2010372October 28, 2010

  58 units affected

  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 the suspension bracket and U-bolts as the outermost brake pads wear and the floating caliper moves inboard. As this interference gets larger, it prohibits the movement of the floating caliper, subsequently reducing the outer pad's pressure on the disc which can eventually lead to reduced braking performance and increasing the risk of a crash. Correction: Dealers will inspect and, if necessary, replace one drive axle brake caliper.

• Engine#2010329October 4, 2010

  59 units affected

  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 EGR valve onto exhaust components. Engine oil leaking onto hot exhaust components, such as when the engine is under significant load, may create the possibility of a fire which can result in personal injury or property damage. Correction: Dealers will replace the EGR valve.

• Electrical#2010324September 29, 2010

  755 units affected

  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 portion of the vehicle's exterior lighting, potentially inhibiting the visibility of the operator and/or detection of the vehicle in certain conditions, which could increase the risk of a crash. Correction: Dealers will inspect the harness and, if necessary, re-seat the female connectors on the male spade terminals.

• Steering#2010216June 30, 2010

  774 units affected

  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 may allow the splined tube and non-splined tube to rotate relative one another during a low speed, high torque turn, resulting in a possible separation of the tubes. This could cause a loss of steering control which could result in a crash causing property damage and/or personal injury. Correction: Dealers will inspect and, if necessary, replace the steering shaft.

• Suspension#2010142April 30, 2010

  27 units affected

  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 bearing to heat up and/or seize, possibly resulting in the overheating of the wheel end. As a result, a wheel end fire may occur, increasing the risk of a crash causing property damage, personal injury or death. Correction: Dealers will replace bearings, seals, and add oil to the outer end hubs. Races and axle housing will be inspected and replaced as necessary.

• Suspension#2009305October 22, 2009

  106 units affected

  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 vibration in the rear suspension. If multiple fasteners were to become loose, the U-bolt holding the axle may lose clamp load and the rear axle may shift relative to the rear suspension drive beam, which might result in a crash causing personal injury or death. Correction: Dealers will tighten the axle u-bolts.

Canadian data updated August 24, 2026