2023–2024 Kenworth T280, 2024 Kenworth T380, 2023–2024 Kenworth T480 and 3 other models Recall: Adhesive thread-lock may not have been applied to the four flange mounted…
NHTSA campaign 23V504000 · Power Train · filed Jul 21, 2023 · verified Jul 30, 2026
The defect
PACCAR Incorportated (PACCAR) is recalling certain 2023-2024 Peterbilt 536, 537, 548, 2023-2024 Kenworth T280, T480, and 2024 Kenworth T380 vehicles. The adhesive thread-lock may not have been applied to the four flange mounted yoke bolt threads, allowing the driveline fasteners to loosen.
The risk
Loose fasteners may allow the driveline to separate from the truck, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will apply adhesive thread-lock and replace the fasteners, free of charge. Owner notification letters are expected to be mailed September 19, 2023. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 23KWE and 23PBE.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
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Other campaigns involving Kenworth vehicles
Source: NHTSA recall database, campaign 23V504000 (manufacturer number 23KWE and 23PBE). Data last verified Jul 30, 2026.