The defect
PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Kenworth T680, T880, W990, T800, W900 and Peterbilt 579, 567, 389, 367 vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.
The risk
A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.
The remedy
PACCAR will notify owners, and dealers will properly torque the capscrews and the engine will also be inspected for damage and, if necessary, repaired, free of charge. The recall began on March 29, 2021. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWA and 21PBB.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T680 | 2021, 2022 |
| Kenworth T800B | 2021, 2022 |
| Kenworth T880 | 2021, 2022 |
| Kenworth W900 | 2021, 2022 |
| Kenworth W990 | 2021 |
| Peterbilt 367 | 2021, 2022 |
| Peterbilt 389 | 2021, 2022 |
| Peterbilt 567 | 2021, 2022 |
| Peterbilt 579 | 2021, 2022 |
Components: ENGINE
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 | 2021 | 0 | 7 |
| Kenworth T680 | 2022 | 2 | 10 |
| Kenworth T800B | 2021 | 0 | 5 |
| Kenworth T800B | 2022 | 0 | 5 |
| Kenworth T880 | 2021 | 1 | 8 |
| Kenworth T880 | 2022 | 0 | 8 |
| Kenworth W900 | 2021 | 1 | 3 |
| Kenworth W900 | 2022 | 2 | 4 |
| Kenworth W990 | 2021 | 0 | 5 |
| 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 engine recalls in 2021
20 of the 988 recall campaigns reported to NHTSA in 2021 concerned the engine; PACCAR Incorporated filed 154 campaigns in all.
| 21V844000 29 Oct 2021 | Kia Motors America |
| 21V806000 15 Oct 2021 | Yamaha Motor Corporation, USA |
| 21V727000 17 Sept 2021 | Hyundai Motor America |
| 21V609000 4 Aug 2021 | PACCAR Incorporated |
| 21V598000 2 Aug 2021 | BMW of North America, LLC |
| 21V502000 1 Jul 2021 | Aprilia USA, Inc. |
| 21V341000 12 May 2021 | Porsche Cars North America, Inc. |
| 21V336000 12 May 2021 | Lamborghini (Automobili Lamborghini) |
NHTSA recalls (public domain) · all recalls of 2021