NHTSA Recall 23V504000: Driveline (power train)
PACCAR Incorporated reported this safety recall to NHTSA on , covering an estimated 72 vehicles. It affects 6 models including the Kenworth T280.
| NHTSA campaign | 23V504000 |
|---|---|
| Manufacturer campaign | 23KWE and 23PBE |
| Component | POWER TRAIN › DRIVELINE |
| Report received | July 21, 2023 |
| Owner notification | September 1, 2023 |
| Initiated by | Manufacturer |
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.
Safety risk
Loose fasteners may allow the driveline to separate from the truck, increasing the risk of a crash.
Remedy
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.
Notes
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.
Vehicles covered by recall 23V504000
| Make and model | Model years |
|---|---|
| Kenworth T280 | 2023, 2024 |
| Kenworth T380 | 2024 |
| Kenworth T480 | 2023, 2024 |
| Peterbilt 536 | 2023, 2024 |
| Peterbilt 537 | 2023, 2024 |
| Peterbilt 548 | 2023, 2024 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.