Kenworth C500 Recalls & Complaints by Model Year
NHTSA lists 49 safety recalls and 5 owner complaints across 43 model years of the Kenworth C500 (1975–2025). The most-complained-about year is 1999.
Pick your Kenworth C500 model year
- 1975
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- 2022
- 2023
- 2025
| Model year | Recalls | Complaints |
|---|---|---|
| 2025 Kenworth C500 | 1 | 0 |
| 2023 Kenworth C500 | 1 | 0 |
| 2022 Kenworth C500 | 1 | 0 |
| 2021 Kenworth C500 | 1 | 0 |
| 2020 Kenworth C500 | 1 | 0 |
| 2019 Kenworth C500 | 4 | 0 |
| 2018 Kenworth C500 | 5 | 0 |
| 2017 Kenworth C500 | 4 | 0 |
| 2016 Kenworth C500 | 3 | 0 |
| 2015 Kenworth C500 | 3 | 0 |
| 2014 Kenworth C500 | 4 | 0 |
| 2013 Kenworth C500 | 2 | 0 |
| 2012 Kenworth C500 | 3 | 1 |
| 2011 Kenworth C500 | 6 | 0 |
| 2010 Kenworth C500 | 4 | 1 |
| 2009 Kenworth C500 | 5 | 0 |
| 2008 Kenworth C500 | 9 | 0 |
| 2007 Kenworth C500 | 6 | 1 |
| 2006 Kenworth C500 | 5 | 1 |
| 2005 Kenworth C500 | 5 | 0 |
| 2004 Kenworth C500 | 4 | 0 |
| 2003 Kenworth C500 | 3 | 0 |
| 2002 Kenworth C500 | 2 | 0 |
| 2001 Kenworth C500 | 4 | 0 |
| 2000 Kenworth C500 | 7 | 0 |
| 1999 Kenworth C500 | 7 | 1 |
| 1998 Kenworth C500 | 3 | 0 |
| 1997 Kenworth C500 | 3 | 0 |
| 1996 Kenworth C500 | 4 | 0 |
| 1995 Kenworth C500 | 1 | 0 |
| 1994 Kenworth C500 | 1 | 0 |
| 1993 Kenworth C500 | 1 | 0 |
| 1992 Kenworth C500 | 1 | 0 |
| 1991 Kenworth C500 | 3 | 0 |
| 1990 Kenworth C500 | 1 | 0 |
| 1989 Kenworth C500 | 1 | 0 |
| 1981 Kenworth C500 | 1 | 0 |
| 1980 Kenworth C500 | 1 | 0 |
| 1979 Kenworth C500 | 1 | 0 |
| 1978 Kenworth C500 | 2 | 0 |
| 1977 Kenworth C500 | 2 | 0 |
| 1976 Kenworth C500 | 2 | 0 |
| 1975 Kenworth C500 | 2 | 0 |
What Kenworth C500 owners complain about
Across all model years, owners have filed 5 complaints with NHTSA. The 1999 model year has the most, with 1.
All Kenworth C500 recalls (49)
Every NHTSA safety campaign that lists a Kenworth C500, most recent first, with the model years each one covers.
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Fuel pump (fuel system)
PACCAR Incorporated (PACCAR) is recalling certain 2025 Kenworth C500, T680, T800, T880, W900, W990, Peterbilt 567, 579, and 589 trucks, equipped with Cummins X15 diesel engines. The fuel pump barrels may fracture and cause a fuel leak, which can result in an engine stall.
Remedy: Dealers will replace the fuel pump barrels, free of charge. Owner notification letters were mailed November 15, 2024. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at…
Model years: 2025
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Reservoir/tank (service brakes)
PACCAR Incorporated (PACCAR) is recalling certain 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470, 2023 Kenworth T480, and 2009-2019 Kenworth W900 vehicles. The air tanks have an…
Remedy: Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed August 12, 2024. Additional owner notification letters were mailed October 27, 2025. Owners may contact PACCAR…
Model years: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
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Steering
PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T170, T270, T280, T370, T380, T440, T470, T480, T680, T800, T880, W900, W990, C500, and 2022-2023 Peterbilt 325, 330, 337, 348, 365, 367, 389, 520, 536, 537, 548, 567, and 579 vehicles. The steering gears may have been assembled incorrectly, which can cause the gears…
Remedy: Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Owner notification letters were mailed September 26, 2022. Owners may contact Kenworth's customer…
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Clutch assembly (power train)
PACCAR Incorporated (PACCAR) is recalling certain 2018-2019 Peterbilt 337, 348, 365, 367, 389, 567, 579 and 587 trucks and 2018-2019 Kenworth C500, T270, T370, T440, T660, T680, T800, T880 and W900 trucks equipped with automated manual transmissions. An internal component in the clutch assembly may fail, possibly resulting in unintended…
Remedy: PACCAR will notify owners, and dealers will update the transmission control module, free of charge. The recall began February 23, 2019. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's numbers for…
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Diesel (engine and engine cooling)
PACCAR Incorporated (PACCAR) is recalling certain 2017-2019 Kenworth C500, T600, T660, T680, T800, T880 and W900 trucks, as well as Peterbilt 367, 386, 389, 567, 579 and 587 trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel…
Remedy: Cummins will notify owners, and dealers will replace the suspect fuel pump cooling circuit screen, free of charge. The recall began November 21, 2018. Owners may contact PACCAR customer service at 1-940-591-4220.…
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Electrical system: wiring and diesel (engine and engine cooling)
PACCAR Incorporated (PACCAR) is recalling certain 2016-2019 Kenworth C500, T660, T800, and W900 vehicles, equipped with 1.9M ISX15 engines. The engine harnesses may have been manufactured without check engine light (CEL) and stop engine light (SEL) circuits, preventing the driver from being warned of a serious engine problem.
Remedy: PACCAR will notify owners, and dealers will inspect or test the ISX15 engine harness, and install an overlay jumper harness to supply the missing CEL and SEL circuits, free of charge. The recall began November 30,…
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Fuel system, diesel
PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 367, 389, 567, 579 and 587 trucks, and 2018 Kenworth C500, T680, T800, T880 and W900 trucks equipped with Cummins ISX 15L engines. These engines have a fuel pump whose drive gear could possibly slip on its drive shaft, causing a fuel pump function loss, resulting in…
Remedy: Cummins will notify the vehicle purchaser, and Cummins dealers will replace the fuel pumps, free of charge. The recall began July 1, 2017. Owners may contact Cummins customer service at 1-800-286-6467 or PACCAR…
Model years: 2018
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Electrical system: module
PACCAR Incorporated (PACCAR) is recalling certain model year 2017 Kenworth C500, T660, T680, T800, T880, and W900 vehicles manufactured March 9, 2016, to April 26, 2016 and 2017 Peterbilt 320, 365, 367, 389, 567, 579, and 587 vehicles manufactured March 10, 2016, to May 6, 2016. The affected vehicles are equipped with Cummins ISX12 or…
Remedy: Cummins will notify owners, and Cummins dealers will replace the defective engine control modules, free of charge. The began on July 8, 2016. Owners may contact Cummins customer service at 1-800-343-7357, Kenworth…
Model years: 2017
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Motor (visibility)
PACCAR Incorporated (PACCAR) is recalling certain model year 2011-2016 Kenworth T270, T370, T440, T470, C500, C540, C550, T660, T800, W900, and 963 trucks manufactured November 1, 2010, to April 6, 2015. In the affected trucks, water may leak into the wiper motor.
Remedy: PACCAR is still developing and testing a remedy. The recall is expected to begin in July 2015. An interim letter was sent to owners on July 2, 2015. The recall began on September 2, 1015. Owners may contact Kenworth…
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Electrical system
PACCAR Incorporated (PACCAR) is recalling certain model year 2015 Kenworth T660, T800, W900, T400, and C500 heavy trucks manufactured September 19, 2014, to October 30, 2014. The affected vehicles may have been produced with an undersized wire gauge for the trailer stop lamp circuit in the instrument panel harness.
Remedy: PACCAR will notify owners, and dealers will replace the defective wire with a properly sized wire, free of charge. The recall began on December 19, 2014. Owners may contact PACCAR customer service at 1-425-828-5000…
Model years: 2015
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Seat belts
PACCAR Incorporated (PACCAR) is recalling certain model year 2014 Kenworth T660, T680, T700,T800, T880, W900, T440, T470, T370, T270, T170, C500, and C550 chassis manufactured between August 7, 2013, and October 31, 2013, and Peterbilt 320, 325, 330, 337, 348, 365, 367, 382, 384, 386, 388, 389, and 587 chassis manufactured between…
Remedy: PACCAR will notify owners, and dealers will inspect and replace the seat belt buckles, as necessary, free of charge. The recall began on March 31, 2014. Owners may contact PACCAR at 1-425-468-7400. Kenworth's number…
Model years: 2014
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Tail lights (exterior lighting)
PACCAR Incorporated (Paccar) is recalling certain model year 2014 Kenworth T170, T270, T370, T440, T470, T660, T680, T700, T800, T880, C500 and W900 trucks manufactured July 1, 2013 through September 17, 2013. In the affected vehicles, the plastic housing of the Stop/Tail/Turn (STT) lamp can shrink and allow the light bulb to fall out…
Remedy: Kenworth will notify owners, and dealers will replace the defective STT lamps with new lamps. The recall began on February 4, 2014. Customers may contact Paccar at 1-425-468-7400. Kenworth's number for this recall is…
Model years: 2014
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Engine and engine cooling
Paccar is recalling certain model year 2007-2011 kenworth c500, t2000, t600, and t660, as well as model year 2009-2011 peterbilt 387 and 388 trucks equipped with caterpillar c15 engine and manufactured from may 11, 2006, through september 17, 2010. Degradation of a combustion tube weld can cause radial heat impingement on the body which…
Remedy: Caterpillar is handling the owner notification and remedy for this campaign. Please see caterpillar's defect report 11e-006. Caterpillar will replace the single piece combustion tube with a thick wall combustion tube…
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Slack adjusters (service brakes)
Paccar is recalling certain model year 2011-2012 kenworth t270/370, t440/t470, t800, t660, w900 and c500 vehicles manufactured between october 18, 2010, and january 28, 2011. Certain cast iron slack adjuster housings, which transmit braking force from the brake chamber push rod to the brake cam tube, may include a flow notch in the…
Remedy: Dealers will inspect and replace the slack adjuster housing as necessary. This service will be performed free of charge. The safety recall began on march 30, 2011. Owners may contact kenworth at 425-828-5440.
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Exterior lighting
Kenworth is recalling certain model year 2011 t660, t800, w900, c500, t440, and t470 vehicles manufactured from april 1, 2009, through august 30, 2010. One of the four harness spade terminal connections to the chassis load center may become completely unseated. A completely unseated connection may result in a power loss to a portion of…
Remedy: Dealers will inspect the harness and re-seating the female connectors on the male spade terminals. This service will be performed free of charge. The safety recall began on october 29, 2010. Owners may contact kenworth…
Model years: 2011
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Column (steering)
Paccar is recalling certain model year 2008-2010 trucks equipped with trw steering shafts. The circumferential weld around the steering shaft tube that welds the splined tube to the non-splined tube may be mislocated. Mislocation of the circumferential weld may allow the splined tube and non-splined tube to rotate relative to one…
Remedy: Dealers will inspect the steering shaft using a weld placement gauge provided by trw. Any steering shaft found to have been welded improperly will be replaced free of charge. The safety recall began on july 30, 2010.…
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Chamber (service brakes) and hood (structure)
Kenworth is recalling certain model year 2009 through 2011 c500 trucks manufactured from october 24, 2008 through january 13, 2010. During maneuvers with certain combinations of wheel turn, articulation, and bump, the brake chamber can contact the rear hood support.
Remedy: Kenworth will notify owners and dealers will repair the vehicles free of charge. The safety recall began on june 8, 2010. Owners may contact kenworth at 1-425-828-5440.
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Engine and engine cooling
Paccar is recalling 112,736 trucks equipped with caterpillar c15 engine. The variable valve actuation oil line may rub against the p-clips retaining the oil line, causing an oil leak.
Remedy: Paccar is working with caterpillar to remedy these vehicles. Please see recall 09e-020. Caterpillar will inspect and repair the necessary components free of charge. The manufacturer has not yet provided an owner…
Model years: 2008
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Fifth wheel assembly (trailer hitches)
Paccar is recalling 3,573 my 2007 kenworth c500, t800, t600, t2000, and w900 chassis built with phillips qcs ii trailer cable connection and trailer cable mounting bracket with 'u-shaped' cut out. Certain trailer cable mounting brackets have a 'u-shaped' cut out that only partially supports the trailer cable connection. Partial support…
Remedy: Dealers will install a reinforcement bracket between the flexible back of the qcs ii molded boot and the frame bracket, and reattach the supporting bolts. The recall began on may may 30, 2008. Owners may contact…
Model years: 2007
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Air (parking brake)
Paccar is recalling 1,043 my 2008-2009 kenworth c500, t2000,t660, t800 and w900 trucks equipped with bendix mv-3 dash control valves. The molded valve body has an incorrect core pin in the injection mold causing the valve body to be oversized in the double check valve area. This condition can allow the rubber double check valve to…
Remedy: Dealers will replace the bendix mv-3 dash control valves free of charge. The recall began on april 14, 2008. Owners may contact kenworth at 1-425-828-4196.
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Slack adjusters (service brakes)
Paccar is recalling 130 my 2005-2007 kenworth c500, t800, w900, and peterbilt models 357 and 379 tractor trailers equipped with fabco slack adjusters on sisu axles. The slack adjusters may fail as a result of a fatigue crack rendering the slack adjuster inoperative. This could reduce braking effectiveness.
Remedy: Dealers will inspect and replace the slack adjusters free of charge. The recall began on march 21, 2008. Owners may contact kenworth at 1-425-828-5440 and peterbilt at 1-940-591-4196.
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Latch (latches/locks/linkages)
Paccar is recalling 6,169 my 2008 kenworth t300, t660, t800, t2000, w900 and c500 vehicles and my 2008-2009 peterbilt models 365, 367, 384, 387, 388, 389 and 389 kits. Certain door latch assemblies on these vehicles fail to conform to the requirements of federal motor vehicle safety standard no. 206, 'door locks and door retention…
Remedy: Paccar is working with trimark and will inspect and replace the door latch if it is found to be defective. The recall began on march 14, 2008. Owners may contact kenworth at 1-425-828-5440 or peterbilt at 1-940-591-4196.
Model years: 2008
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Hoses, lines/piping, and fittings (service brakes)
Certain trucks equipped with eaton synflex eclipse brand extruded nylon air brake hose tubing fail to comply with the requirements of federal motor vehicle safety standard no. 106, "brake hoses." the tubing was manufactured with only four layers of nylon material, instead of the specified five layers.
Remedy: Dealers will inspect the air brake hoses and, if necessary, replace the hoses. The recall began on february 22, 2008. Owner notification schedule for this campaign. Owners may contact kenworth at 1-425-828-5440 or…
Model years: 2008
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Shaft sector (steering)
On certain kenworth and peterbilt heavy duty trucks equipped with tas-85 trw steering gears, the inner surface of the outer sector shaft teeth of the steering gears may have an incorrect involute profile, which may lead to chipping and damage of the gearing system.
Remedy: Dealers will repair and replace any suspect tas-85 steering gear assembly free of charge. The recall began on january 9, 2008. Owners may contact kenworth at 425-828-5440 and peterbilt at 940-591-4201.
Model years: 2008
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Hood (structure)
On certain trucks, the rear hood mounting brackets can contact the front axle brake chamber during full axle articulation.
Remedy: Dealers will inspect the brake chamber and surrounding components for any damage and modify the rear hood support bracket to eliminate the potential for interference. If any brake components is damaged, the dealer will…
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Automatic transmission (power train)
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 properly.
Remedy: Dealers will inspect the affected vehicles to ensure the auto neutral feature functions properly and, if needed, will make the necessary repairs free of charge. The recall began on may 9, 2007. Owners may contact…
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Service brakes, air
Certain trucks fail to comply with the brake timing regulatory requirements of federal motor vehicle safety standard no. 121, "air brake systems." the brake valve was moved to the opposite rail, increasing the length of the air line, which in turn increased the wheelbase requiring a dual relay valve system. The vehicles were…
Remedy: Dealers will convert the single relay valve to a dual relay valve system free of charge. The recall began on may 21, 2007. Owners may contact kenworth at 425-828-5440.
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Driveline (power train)
On certain trucks equipped with chalmers rear suspensions, the adjustable torque rod end castings may be brittle. A brittle rod end casting may fracture without warning, causing the vehicles' rear axles to become misaligned.
Remedy: Dealers will inspect the vehicles to determine if they were manufactured with a suspect torque rod end. If a suspect torque rod end is found, the entire torque rod will be replaced. The recall began on october 9, 2006.…
Model years: 2006
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Engine and engine cooling
On certain tractors equipped with caterpillar diesel engines, the variable valve actuation oil line may wear against the sharp edge of the cylinder head if not positioned correctly.
Remedy: Caterpillar, in conjunction with paccar, will be conducting the owner notification and remedy for this campaign free of charge. Owners may call caterpillar at 309-675-6496, kenworth at 425-828-5440, or peterbilt at…
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Suspension: rear
On certain trucks and tractors equipped with airglide high-articulation rear suspensions, the c65-1006 sway bar used in this rear suspension may experience a reduction in fatigue life due to either a manufacturing process or a high induced stress during an extreme suspension articulation event.
Remedy: The inspection and repair of these vehicles will depend on the type of vehicle (tractor or truck) and the intended service application. This inspection and repair criteria will be forthcoming. The recall began on june…
Model years: 2005
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Suspension
On certain heavy duty class 8 trucks, the suspension has transverse beam castings that may fracture under normal loads. If a casting breaks when the vehicle is traveling on a roadway there is the potential for pieces of the casting to become projectiles and the suspension's transverse beam may drop down low enough to contact the road…
Remedy: Dealers will inspect and replace the defective transverse beam assemblies free of charge. The recall began on june 10, 2005, with letters being mailed to peterbilt owners; and on june 17, 2005, for kenworth owners.…
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Electrical system: wiring
On certain trucks, the power feed harness p92-1993 terminals were not properly crimped.
Remedy: Dealers will replace the harness. The recall began january 13, 2005. Owners should contact kenworth at 1-425-828-5440.
Model years: 2004
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Service brakes, air
Certain trucks equipped with meritor p 18x7 brakes with 36" brake chambers fail to comply with the requirements of federal motor vehicle safety standard (FMVSS) no. 121, "air brake systems." these trucks were manufactured with a combined air reservoir volume less than 12 times the combined volume of all service brake chambers.
Remedy: Dealers will add an additional tank or change one of the existing air tanks to a larger size. Owner notification began on may 5, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon service…
Model years: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
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Exterior lighting
Certain trucks equipped with trailer connections fail to comply with the requirements of federal motor vehicle safety standards (FMVSS) no. 121, "air brake systems," and no. 108, "lamps, reflective devices, and associated equipment." the supplier removed a rubber grommet from the trailer light line connector. The vehicles are…
Remedy: Dealers will install the missing grommet on all affected chassis. If a connector is found defective, it will be replaced with a new connector. Owner notification is began on march 14, 2003. Owners who take their…
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Tie rod assembly (steering)
Heavy duty trucks equipped with trw tie rod ends on certain arvinmeritor and dana axles. Peterbilt will recall 1,434 vehicles equipped with arvinmeritor axles manufactured from december 11, 1999, to may 14, 2000, and from july 22 to september 30, 2000. Kenworth will recall 859 vehicles equipped with arvinmeritor vehicles manufactured…
Remedy: Dealers will remove and replace all affected tie rods and drag links with different designed ends. Owner notification began july 15, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon…
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Electrical system: wiring
On some heavy duty trucks equipped with alcoa fujikura ltd. (afl) power distribution boxes (pd box), the pd boxes were manufactured with insufficient torque applied to the nut of the main power feed-through stud.
Remedy: Dealers will inspect and tighten the nut on the main power feed-through stud. Owner notification began february 25, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not…
Model years: 2000
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Defroster/defogger/hvac system (visibility)
Vehicle description: certain heavy duty trucks fail to comply with the requirements of FMVSS no. 103, "windshield defrosting and defogging systems." the mode door in an HVAC system can become inoperable. The mode door cam and actuator could bind, causing the cam retaining tabs to shear off.
Remedy: Dealers will inspect the mode door operation and replace the HVAC cab mode housing assembly if necessary. Owner notification began november 7, 2001. Owners who take their vehicles to an authorized dealer on an agreed…
Model years: 2001
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Tie rod assembly (steering)
Vehicle description: 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 and/or hardness.
Remedy: Dealers will remove and replace all affected tie rods and drag links with different designed ends. Owner notification began october 24, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon…
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Suspension
Vehicle description: 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 torque rod eye to the torque rod tube.
Remedy: Dealers will replace all chalmers fixed torque rods on these vehicles. Owner notification began july 27, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive…
Model years: 2000
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Tie rod assembly (steering)
Vehicle description: heavy duty trucks equipped with tie rod assemblies manufactured by trw. The suspect tie rods contain 24-dl model ball sockets. Certain of the tie rod ball-socket bearings have a below-specification case depth and/or hardness, which can lead to premature wear of the socket.
Remedy: Dealers will replace the defective ball sockets and/or drag links. Owner notification began on april 10, 2001, to kenworth owners and on april 25, 2001, to peterbilt owners. Owners who take their vehicles to an…
Model years: 1999
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Suspension: lower arm
Vehicle description: vehicles equipped with 54" rear axle spacing configuration of the airglide 200 suspension with the service application identified as logger, dump truck, or tanker. The rear suspension is regularly subjected to extreme articulation, resulting in flexing of the joint.
Remedy: Dealers will replace the lower sway arm brackets. Owner notification began march 27, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within…
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Fuses and circuit breakers (electrical system)
Vehicle description: heavy duty trucks equipped with an optional firewall-mounted circuit breaker. The main cab power and battery power leads were attached incorrectly. This condition can result in the main cab power being unprotected.
Remedy: Dealers will inspect and correct the problem, as needed. Owner notification began february 26, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free…
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Tie rod assembly (steering)
Vehicle description: 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 and/or hardness.
Remedy: Dealers will remove and replace all affected tie rods and drag links with different designed ends.
Model years: 1999
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Electrical system: front underhood
Vehicle description: heavy duty trucks equipped with caterpillar 3406e engines. The routing of the electrical and fuel lines can cause chaffing of the wiring harness on the fuel line.
Remedy: Dealers will inspect, adjust, and repair, if necessary, the fuel line and electrical harness.
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Switch (exterior lighting)
The wires that correspond to the vehicle's rear turn signals were reversed when installed in the electrical connector.
Remedy: Dealers will inspect the turn signal switch and, if necessary, replace the turn signal switch.
Model years: 1996
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Linkages (visibility)
Sprague wiper assembly pivot can seize due to galvanic corrosion between the zinc-plated steel shaft and the bronze bushings.
Remedy: Replace sprague wiper assembly pivot with an assembly not susceptible to galvanic corrosion.
Model years: 1989, 1990, 1991
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Linkages (steering)
Pitman arm pinch bolts may have been inadequately torqued.
Remedy: Retorque pinch bolts and reset as necessary.
Model years: 1991
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Foot control/valve (service brakes)
The hand valve installed in the vehicle may have been incorrectly positioned. This would allow air to escape from both the front and rear service systems simultaneously if the control line to the rear axle relay valves should fail. Performance of front and rear service brakes during failure could be degraded.
Remedy: The hand valve will be repositioned by the dealer, if necessary, at no charge owner.
Model years: 1975, 1976, 1977, 1978, 1979, 1980, 1981
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Reservoir/tank (service brakes)
Some of the involved vehicles do not comply with federal motor vehicle safety standard no. 121, "air brake systems". The air reservoir capacity is below that allowed by the standard.
Remedy: Dealer will either replace the existing tank with a larger tank or add a second tank, without charge to owner.
Model years: 1975, 1976, 1977, 1978
Other Kenworth models
- T68077 complaints
- T200038 complaints
- T80033 complaints
- W90032 complaints
- Kenworth23 complaints
- T60016 complaints
- Conventional10 complaints
- T88010 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.