Recall 21V080000: 2021–2022 Peterbilt 389 and 6 other models
- Report received
- Feb 17, 2021
- Manufacturer
- PACCAR Incorporated
- Potentially affected
- 132vehicles
- Model years
- 2021–2022
Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.
What NHTSA recorded
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.
Possible consequence
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.
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.
Affected model years
Pages for each model year show complaints, parts, mileage and other recalls.
- 2021 Kenworth T6800 complaints
- 2022 Kenworth T6802 complaints
- 2021 Kenworth T800B0 complaints
- 2022 Kenworth T800B0 complaints
- 2021 Kenworth T8801 complaints
- 2022 Kenworth T8800 complaints
- 2021 Kenworth W9001 complaints
- 2022 Kenworth W9002 complaints
- 2021 Peterbilt 3891 complaints
- 2022 Peterbilt 3894 complaints
- 2021 Peterbilt 5671 complaints
- 2022 Peterbilt 5672 complaints
- 2021 Peterbilt 5791 complaints
- 2022 Peterbilt 5797 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.