Peterbilt 520 recalls

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2026 Kenworth L770 and 2024-2026 Peterbilt 520 vehicles. The right-hand stand-up (RHSU) configuration on the steering cross-shaft may become stressed and fail.

Risk

A steering cross-shaft that fails can cause a loss of steering control, increasing the risk of a crash.

Remedy

Dealers will inspect and repair the steering cross-shafts and replace any damaged or broken cross-shafts, free of charge. Owner notification letters were mailed March 13, 2026. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220 and Kenworth's customer service at 1‑425‑828‑5888. PACCAR's number for this recall is 26PACA.

Recall number 26V022000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2024-2026 Kenworth T480, T680, T880, W990, Peterbilt 520, 536, 537, 548, 567, 579, 589, 2025 Kenworth T180, Peterbilt 535, 2025-2026 Kenworth T280, T380 and L770 vehicles. The tail brake light, upper and lower beam headlights, reverse light, and turn signal may not illuminate as intended. In addition, the lift axles, if lowered, may revert to a raised position, or oscillate up and down when the signal warning lights are activated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices and Associated Equipment."

Risk

Delayed and unsteady headlights can result in insufficient illumination of the road, decreasing the driver's visibility and increasing the risk of a crash. In addition, an unexpected position change of the lift axles may increase the risk of injury.

Remedy

Dealers will update the VCU software, free of charge. Owner letters were mailed August 19, 2025. Owners may contact Kenworth's customer service at 1‑425‑828‑5888 and Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 25PACF.

Recall number 25V436000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2022-2025 Peterbilt 520, 579, and 2021-2025 Kenworth T680 trucks. The high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.

Risk

A loss of drive power increases the risk of a crash.

Remedy

Dealers will update the software and replace the electrical harness, free of charge. Owner notification letters were mailed May 13, 2025. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220 and Kenworth's customer service at 1‑425‑828‑5888. PACCAR's numbers for this recall are 25PBC and 25KWC.

Recall number 25V181000 · Recall details

What is wrong

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 functioning.

Risk

Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may not function properly or at all, increasing the risk of a crash.

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 1‑940‑591‑4220. PACCAR's numbers for this recall are 24KWL and 24PBL.

Recall number 24V915000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2024 Peterbilt 367, 389, 548, Kenworth T480, T800, 2024-2025 Peterbilt 520, 567 and Kenworth T880 vehicles with PACCAR 20k steer axles. The steering arm and/or tie rod bracket fasteners may fail, resulting in a loss of steering control.

Risk

A loss of steering control increases the risk of a crash.

Remedy

Dealers will install new correctly torqued fasteners, free of charge. Owner notification letters were mailed January 21, 2025. Owners may contact Kenworth's customer service at 1‑425‑828‑5888 or Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 24KWK and 24PBK.

Recall number 24V908000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2025 Kenworth K270, K370, L770, T280, T380, T480, T680, T880, W900, W990, 2025 Peterbilt 220, 520, 536, 537, 548, 567, 579, and 589 trucks. The tie rod or drag link assembly may contain an improperly heat-treated ball stud, causing the ball stud to break.

Risk

A broken ball stud can cause a complete loss of steering control, increasing the risk of a crash.

Remedy

Owners are advised not to drive their vehicles until the remedy has been completed. Dealers will inspect and replace the tie rod and drag link assemblies as necessary, free of charge. Owner notification letters were mailed August 6, 2024. Owners may contact Kenworth customer service at 1‑425‑828‑5888 and Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 24KWG and 24PBG.

Recall number 24V433000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2024-2025 Kenworth T280, T380, T480, T680, T880, L770, W990, and 2024-2025 Peterbilt 389, 520, 535, 536, 537, 548, 567, 579, 589 trucks. The steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of steering control.

Risk

A loss of steering control increases the risk of a crash.

Remedy

Dealers will inspect and replace the steering gears as necessary, free of charge. Owner notification letters were mailed March 20, 2024. Owners may contact Peterbilt customer service at 1‑940‑591‑4220 and/or Kenworth customer service at 1‑425‑828‑5888. PACCAR's numbers for this recall are 24PBC and 24KWC.

Recall number 24V044000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2024 Peterbilt 367, 389, 520, 567, and Kenworth T800, T880, W900, and W990 trucks. The bearing journals may not be fully seated in the steering knuckle assemblies, preventing the proper installation of the wheel end hub assemblies.

Risk

An improperly installed wheel end hub assembly can leak oil, causing the axle spindles to loosen or fracture and increasing the risk of a crash.

Remedy

Dealers will inspect and replace the steering knuckle assemblies as necessary, free of charge. Owner letters were mailed February 23, 2024. Owners may contact Peterbilt customer service at 1‑940‑591‑4220 and/or Kenworth customer service at 1‑425‑828‑5888. PACCAR's numbers for this recall are 24PBB and 24KWB.

Recall number 24V043000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2024 Peterbilt 520 vehicles. The rear lifting bracket that attaches to the engine cylinder head may be insufficiently secured, which can allow it to detach.

Risk

A rear lifting bracket that detaches while the engine is being lifted can result in the engine falling or swinging, increasing the risk of injury.

Remedy

Dealers will inspect and replace the flanged stud in the rear lifting bracket, as necessary, free of charge. Owner notification were mailed November 14, 2024. Owners may contact Peterbilt customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 23PBK.

Recall number 23V749000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2015-2023 Peterbilt 320 and 520 refuse trucks equipped with Haulmaax/EX suspensions. The suspension tracking rod brackets may fail and detach from the forward drive axle, causing the axle to become unstable.

Risk

An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.

Remedy

Dealers will inspect the welds and add an additional bracket between the tracking rod bracket and axle housing, as necessary, free of charge. Owner notification letters are expected to be mailed February 14, 2023. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 22PBL.

Recall number 22V939000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2023 Peterbilt 220, 389, 520, 536, 537, 348, 367, 567, 548, 579, and 2023 Kenworth T680, K270, T440, T880, W990, K370, T280, T380, T480, T800, and W900 vehicles. The engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall.

Risk

An unexpected engine stall can increase the risk of a crash.

Remedy

Dealers will replace the ECM, free of charge. Owner notification letters are expected to be mailed October 16, 2022. Owners may contact Kenworth's customer service at 1‑425‑828‑5888 and Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 22KWG and 22PBG.

Recall number 22V631000 · Recall details

What is wrong

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 to fracture.

Risk

A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

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 service at 1‑425‑828‑5888 and Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 22PBE and 22KWE.

Recall number 22V547000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.

Risk

Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.

Remedy

Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1‑425‑828‑5888 and Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 22 PBB and 22 KWB.

Recall number 22V277000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 520 vehicles. The quick release valve on the rear brake signal hose may be missing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Risk

A missing quick release valve cannot ensure correct rear brake release timing, increasing the risk of a crash or injury.

Remedy

Dealers will inspect the vehicles for a missing quick release valve, and install one if necessary, free of charge. Owner notification letters were mailed on October 7, 2021. Owners may contact PACCAR's customer service at 1‑940‑591‑4220 (Peterbilt). PACCAR's number for this recall is 21PBK.

Recall number 21V720000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Risk

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1‑425‑828‑5888 (Kenworth) or 1‑940‑591‑4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.

Recall number 21V391000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2015-2021 Peterbilt 320 and 520 vehicles. The steering column support structure may crack or break in certain right-hand, stand-up drive models.

Risk

If the steering column loosens from the mounting structure, steering control can become affected, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will inspect the 520 models right hand stand-pp steering column structure and replace it if cracks are present, as well as add additional support brackets to the new (if replaced) or existing structure, free of charge. Additionally, for the 520 models, dealers will install a large gusset with triangulating support for the column bracket, free of charge. Owner notification letters were mailed July 30, 2021. Owners may contact Peterbilt customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 21PBA.

Recall number 21V004000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 520 vehicles. The stability control brake relay may have the Spring Brake Modulating (SBM) Valve or the lift axle hose incorrectly connected.

Risk

A stability control event meant to only actuate the ABS controlled wheel ends could actuate lift axle brakes or modulate park brake chambers and could possibly de-stabilize the vehicle, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will inspect the suspect chassis and correct the brake relay plumbing if needed, free of charge. PACCAR has issued owners an interim notification on January 4, 2020. Owner notification letters were mailed on January 25, 2021. Owners may contact Peterbilt customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 20PBF.

Recall number 20V739000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough to sufficiently engage the locking feature of the corresponding nuts.

Risk

The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.

Remedy

PACCAR will notify owners, and dealers will inspect suspect chassis and replace the pivot bolts, as necessary, free of charge. The recall began September 29, 2020. Owners may contact Kenworth customer service at 1‑425‑828‑5888 and Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall is 20PBE and 20KWC.

Recall number 20V506000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2020 Peterbilt 520 vehicles. Incorrect bolts may have been used to secure the steering assist cylinder bracket, possibly allowing the bolts to loosen.

Risk

Loose bolts may cause the bracket to flex or break, potentially damaging adjacent components or locking up the steering, increasing the risk of crash.

Remedy

PACCAR will notify owners, and dealers will install hardware with thread adhesive and replace any components damaged by the improperly secured steer assist bracket, free of charge. The recall began August 17, 2020. Owners may contact PACCAR customer service at 1‑425‑828‑5888. PACCAR's number for this recall is 20PBD.

Recall number 20V429000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2016-2020 Peterbilt 320 and 520 vehicles with dual foot valves and a liftable tag or tri-drive rear axles. The rear brake signal hose may be missing a quick release valve, possibly causing a delay in their brake release timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Disc Brakes."

Risk

A delayed brake release may increase the risk of crash.

Remedy

PACCAR will notify owners, and dealers will check the vehicles for a quick release valve, installing one as necessary, free of charge. The recall began March 24, 2020. Owners may contact PACCAR customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 20PBB.

Recall number 20V132000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2018-2019 Peterbilt 520 vehicles built in Right-Hand Stand-Up configuration. The steering assist cylinder bracket may not have been properly mounted.

Risk

The improperly mounted steering assist cylinder bracket may break and cause damage to surrounding components and/or lock up the steering, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will correcting the mounting, free of charge. PACCAR issued owners an interim notification on January 31, 2020. The recall began March 4, 2020. Owners may contact Peterbilt customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 19PBF.

Recall number 19V917000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T800, T880 and W990 and Peterbilt 348, 367, 389, 520, and 567 vehicles. The forward rear axle output shafts may have been improperly heat treated during manufacturing, possibly resulting in the shafts fracturing.

Risk

If the rear axle output shaft fractures, the shaft or interaxle driveline could detach and become a road hazard, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will inspect and replace the output shafts, as necessary, free of charge. The recall began February 19, 2020. Owners may contact Kenworth customer service at 1‑425‑828‑5888 or Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 19KWE and 19PBG.

Recall number 19V911000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 1990-2020 Peterbilt 320 and 520 vehicles built with specific amber rear turn signals. The turn signals may also light up with the stop/tail lights when the brakes are applied. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk

Rear Turn signals that illuminate at the same time as the brake lights may create confusion and impair the effectiveness of the brake lights, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and for trucks with rear amber lights, dealers will add a jumper harness between the chassis electrical harness and amber tail lights, free of charge. The recall began August 1, 2019. Owners may contact PACCAR customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 19PBC.

Recall number 19V452000 · Recall details

What is wrong

PACCAR Incorporated (PACCAR) is recalling certain 2017-2020 Peterbilt 520 vehicles. Due to undersized wires, the connector between the cab power harness and the power distribution center (PDC) harness may overheat and melt, possibly resulting in an engine shutdown.

Risk

An unexpected engine shut down can increase the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will replace the main power wire to the PDC with a wire of the correct size, free of charge. The recall began August 6, 2019. Owners may contact PACCAR customer service at 1‑918‑259‑3258. PACCAR's number for this recall is 19PBB.

Recall number 19V282000 · Recall details