The defect
PACCAR Incorporated (PACCAR) is recalling certain 2016-2021 Kenworth T680 trucks equipped with a 2.1m Cab and WABCO 6S/6M ABS brake system with drum brakes. The brake systems were manufactured with a standard rear-brake ABS modulator valve instead of a quick release valve, which may exceed the intended service-brake release timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
The risk
Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.
The remedy
PACCAR will notify owners, and dealers will replace the standard rear-brake, ABS modulator valve with a quick release valve, free of charge. The recall began November 30, 2020. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 20KWD.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T680 | 2016, 2017, 2018, 2019, 2020, 2021 |
Components: SERVICE BRAKES, AIR:ANTILOCK
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 T680 | 2016 | 6 | 16 |
| Kenworth T680 | 2017 | 9 | 11 |
| Kenworth T680 | 2018 | 11 | 15 |
| Kenworth T680 | 2019 | 8 | 9 |
| Kenworth T680 | 2020 | 8 | 8 |
| Kenworth T680 | 2021 | 0 | 7 |
Other service brakes, air recalls in 2020
14 of the 782 recall campaigns reported to NHTSA in 2020 concerned the service brakes, air; PACCAR Incorporated filed 154 campaigns in all.
| 20V787000 16 Dec 2020 | Daimler Trucks North America, LLC |
| 20V536000 2 Sept 2020 | Volvo Trucks North America |
| 20V390000 2 Jul 2020 | Daimler Trucks North America LLC |
| 20V388000 2 Jul 2020 | Jayco, Inc. |
| 20V383000 1 Jul 2020 | Hino Motors Sales U.S.A., Inc. |
| 20V233000 27 Apr 2020 | Motor Coach Industries |
| 20V167000 20 Mar 2020 | Thor Motor Coach |
| 20V171000 20 Mar 2020 | Newmar Corporation |
NHTSA recalls (public domain) · all recalls of 2020