The defect
PACCAR, Inc. (PACCAR) is recalling certain 2021-2022 Peterbilt 367, 389, 567, and 579 vehicles. The cross member mounted Hill Start Assist valve assembly may have insufficient clearance to the rear axle, causing damage to the rear brake hose and loss of the rear brake signal.
The risk
If loss of the rear brake signal occurs, the vehicle could experience reduced rear braking capability or loss of brakes to the rear axle(s), increasing the risk of a crash.
The remedy
Dealers will inspect for clearance and re-work the assembly to conform with an updated design, free of charge. Interim owner notification letters were mailed on September 24, 2021. Owner notification letters were mailed on March 11, 2022. Owners may contact PACCAR's customer service at 1-940-591-4220 (Peterbilt). PACCAR's number for this recall is 21PBJ.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Peterbilt 367 | 2021, 2022 |
| Peterbilt 389 | 2021, 2022 |
| Peterbilt 567 | 2021, 2022 |
| Peterbilt 579 | 2021, 2022 |
Components: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Peterbilt 367 | 2021 | 0 | 5 |
| Peterbilt 367 | 2022 | 0 | 6 |
| Peterbilt 389 | 2021 | 1 | 6 |
| Peterbilt 389 | 2022 | 4 | 7 |
| Peterbilt 567 | 2021 | 1 | 9 |
| Peterbilt 567 | 2022 | 2 | 10 |
| Peterbilt 579 | 2021 | 1 | 9 |
| Peterbilt 579 | 2022 | 7 | 15 |
Other service brakes, hydraulic recalls in 2021
58 of the 988 recall campaigns reported to NHTSA in 2021 concerned the service brakes, hydraulic; PACCAR Incorporated filed 154 campaigns in all.
| 21V974000 16 Dec 2021 | Arrow Manufacturing, Inc. |
| 21V940000 3 Dec 2021 | Zero Motorcycles Inc. |
| 21V937000 2 Dec 2021 | Hyundai Motor America |
| 21V933000 1 Dec 2021 | Daimler Vans USA, LLC |
| 21V936000 1 Dec 2021 | Kia Motors America |
| 21V922000 23 Nov 2021 | Ford Motor Company |
| 21V890000 17 Nov 2021 | Toyota Motor Engineering & Manufacturing |
| 21V853000 3 Nov 2021 | Volkswagen Group of America, Inc. |
NHTSA recalls (public domain) · all recalls of 2021