The defect
PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Kenworth T280, T380, T480, Peterbilt 536, 537, and 548 vehicles. When the brake pedal is fully applied and then released rapidly, the pedal plunger that connects the brake pedal to the brake valve may become disconnected, causing the service brakes to fail.
The risk
Service brake failure can increase the risk of a crash.
The remedy
Dealers will add a pedal restraint bracket, free of charge. Owner notification letters were mailed April 7, 2023. Owners may contact Kenworth's customer service at 1-425-828-588 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 23KWB and 23PBB.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T280 | 2021, 2022, 2023, 2024 |
| Kenworth T380 | 2021, 2022, 2023, 2024 |
| Kenworth T480 | 2021, 2022, 2023, 2024 |
| Peterbilt 536 | 2021, 2022, 2023, 2024 |
| Peterbilt 537 | 2021, 2022, 2023, 2024 |
| Peterbilt 548 | 2021, 2022, 2023, 2024 |
Components: SERVICE BRAKES, AIR
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 | 2021 | 0 | 6 |
| Kenworth T280 | 2022 | 0 | 7 |
| Kenworth T280 | 2023 | 1 | 12 |
| Kenworth T280 | 2024 | 0 | 9 |
| Kenworth T380 | 2021 | 0 | 5 |
| Kenworth T380 | 2022 | 0 | 8 |
| Kenworth T380 | 2023 | 0 | 11 |
| Kenworth T380 | 2024 | 0 | 11 |
| Kenworth T480 | 2021 | 0 | 4 |
| Kenworth T480 | 2022 | 0 | 7 |
| Kenworth T480 | 2023 | 0 | 12 |
| Kenworth T480 | 2024 | 0 | 13 |
| Peterbilt 536 | 2021 | 0 | 6 |
| Peterbilt 536 | 2022 | 0 | 9 |
| Peterbilt 536 | 2023 | 0 | 10 |
| Peterbilt 536 | 2024 | 0 | 11 |
| Peterbilt 537 | 2021 | 0 | 3 |
| Peterbilt 537 | 2022 | 0 | 7 |
| Peterbilt 537 | 2023 | 0 | 10 |
| Peterbilt 537 | 2024 | 0 | 11 |
| Peterbilt 548 | 2021 | 0 | 5 |
| Peterbilt 548 | 2022 | 0 | 7 |
| Peterbilt 548 | 2023 | 0 | 11 |
| Peterbilt 548 | 2024 | 1 | 13 |
Other service brakes, air recalls in 2023
7 of the 894 recall campaigns reported to NHTSA in 2023 concerned the service brakes, air; PACCAR Incorporated filed 154 campaigns in all.
| 23V710000 20 Oct 2023 | Lion Electric Company |
| 23V661000 29 Sept 2023 | PACCAR Incorporated |
| 23V460000 30 Jun 2023 | Stoughton Trailers, LLC |
| 23V371000 25 May 2023 | Navistar, Inc. |
| 23V370000 25 May 2023 | Navistar, Inc. |
| 23V243000 5 Apr 2023 | New Flyer of America, Inc. |
NHTSA recalls (public domain) · all recalls of 2023