RecallMyCar

Kenworth W900B Recalls & Complaints by Model Year

NHTSA lists 10 safety recalls and 2 owner complaints across 19 model years of the Kenworth W900B (1982–2025). The most-complained-about year is 1996.

10
safety recalls, all years
2
owner complaints, all years
1990
year with most recalls
1996
year with most complaints

Pick your Kenworth W900B model year

Model yearRecallsComplaints
2025 Kenworth W900B10
2024 Kenworth W900B10
2023 Kenworth W900B10
2022 Kenworth W900B10
2021 Kenworth W900B10
1997 Kenworth W900B01
1996 Kenworth W900B01
1993 Kenworth W900B10
1992 Kenworth W900B10
1991 Kenworth W900B30
1990 Kenworth W900B30
1989 Kenworth W900B20
1988 Kenworth W900B10
1987 Kenworth W900B20
1986 Kenworth W900B20
1985 Kenworth W900B20
1984 Kenworth W900B10
1983 Kenworth W900B10
1982 Kenworth W900B10

What Kenworth W900B owners complain about

Across all model years, owners have filed 2 complaints with NHTSA. The 1996 model year has the most, with 1.

All Kenworth W900B recalls (10)

Every NHTSA safety campaign that lists a Kenworth W900B, most recent first, with the model years each one covers.

  1. Software (electrical system) and service brakes, hydraulic: control unit/module

    NHTSA 24V915000 Reported 220,764 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop…

    Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed February 3, 2025. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at…

    Model years: 2021, 2022, 2023, 2024, 2025

  2. Linkages (steering)

    NHTSA 93V172000 Reported 500 vehicles potentially affected PACCAR, INCORPORATED

    These trucks do not have the proper cutout in the front drop rail section of the frame rail. Without the proper cutout, the steering driveline grease fitting will interfere with the flange of the chassis rail.

    Remedy: Dealers will inspect for proper cutout and adequate clearance with the grease fitting. If adequate clearance does not exist, a cutout will be added to the drop rail.

    Model years: 1991, 1992, 1993

  3. Linkages (visibility)

    NHTSA 91V090000 Reported 15,000 vehicles potentially affected PACCAR, INCORPORATED

    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

  4. Fan (engine and engine cooling)

    NHTSA 91V066000 Reported 997 vehicles potentially affected PACCAR, INCORPORATED

    The engine fan may experience a resonant frequency causing premature fan failure, and separation from the engine.

    Remedy: Replace engine fan with fan from another manufacturer.

    Model years: 1990, 1991

  5. Suspension: rear

    NHTSA 91V044000 Reported 5,623 vehicles potentially affected PACCAR, INCORPORATED

    Rear axle stabilizer (sway) bar may not have been properly heat treated.

    Remedy: Replace the stabilizer bar.

    Model years: 1989, 1990

  6. Accelerator pedal (vehicle speed control)

    NHTSA 88V099000 Reported 283 vehicles potentially affected PACCAR, INCORPORATED

    Electronic throttle sensors may fail to return to idle due to throttle pedal stop being incorrectly manufactured of aluminum instead of steel.

    Remedy: Replace aluminum throttle pedal stops with a steel version, also, replace throttle potentiometer if it has been overloaded.

    Model years: 1987, 1988

  7. Springs (vehicle speed control)

    NHTSA 87V159000 Reported 666 vehicles potentially affected PACCAR, INCORPORATED

    The throttle lever is not under sufficient tension.

    Remedy: Relocate throttle return spring anchor and/or the spring anchor will be replaced.

    Model years: 1987

  8. Unknown or other

    NHTSA 86V003000 Reported 90 vehicles potentially affected PACCAR, INCORPORATED

    Line pressure surges occur when the transmission is in high gear lockup due to a plumbing error. Consequence of defect: line pressure surges could cause bodily harm through erratic fire hose delivery action.

    Remedy: Rework plumbing to prevent line pressure surges.

    Model years: 1983, 1984, 1985, 1986

  9. Fuses and circuit breakers (electrical system)

    NHTSA 86V004000 Reported 5,000 vehicles potentially affected PACCAR, INCORPORATED

    The circuit breakers may fail and allow the circuit to overheat. Consequence of defect: a fire could occur as a result of the circuit breaker failure.

    Remedy: Remove circuit breakers and replace with fuses.

    Model years: 1985, 1986

  10. Supply (service brakes)

    NHTSA 82V074000 Reported 1,000 vehicles potentially affected PACCAR, INCORPORATED

    The involved trucks may have been assembled without the installation of a single check valve. This fails to comply with federal motor vehicle safety standard no. 121, "air brake systems". In the event of a single failure in the rear air system, the lack of a check valve would allow simultaneous loss of air from both front and rear…

    Remedy: Dealer will install a single check valve, if necessary, without charge to owner.

    Model years: 1982

Other Kenworth models

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.