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.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| 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 |
Components: POWER TRAIN:DRIVELINE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Kenworth T280 | 2023 | 1 | 12 |
| Kenworth T280 | 2024 | 0 | 9 |
| Kenworth T380 | 2024 | 0 | 11 |
| Kenworth T480 | 2023 | 0 | 12 |
| Kenworth T480 | 2024 | 0 | 13 |
| Peterbilt 536 | 2023 | 0 | 10 |
| Peterbilt 536 | 2024 | 0 | 11 |
| Peterbilt 537 | 2023 | 0 | 10 |
| Peterbilt 537 | 2024 | 0 | 11 |
| Peterbilt 548 | 2023 | 0 | 11 |
| Peterbilt 548 | 2024 | 1 | 13 |
Other power train recalls in 2023
56 of the 894 recall campaigns reported to NHTSA in 2023 concerned the power train; PACCAR Incorporated filed 154 campaigns in all.
| 23V896000 22 Dec 2023 | Ford Motor Company |
| 23V895000 22 Dec 2023 | Daimler Trucks North America, LLC |
| 23V851000 15 Dec 2023 | Mercedes-Benz USA, LLC |
| 23V821000 6 Dec 2023 | BMW of North America, LLC |
| 23V811000 4 Dec 2023 | Eldorado National- California, Inc. |
| 23V809000 4 Dec 2023 | Gillig, LLC |
| 23V756000 9 Nov 2023 | Hino Motors Sales U.S.A., Inc. |
| 23V755000 9 Nov 2023 | Subaru of America, Inc. |
NHTSA recalls (public domain) · all recalls of 2023