NHTSA Recall 25V256000: Diesel (engine and engine cooling)
Mack Trucks, Inc. reported this safety recall to NHTSA on , covering an estimated 3 vehicles. It affects 2025 Mack Anthem (an).
| NHTSA campaign | 25V256000 |
|---|---|
| Manufacturer campaign | SC0477 |
| Component | ENGINE AND ENGINE COOLING › ENGINE › DIESEL |
| Report received | April 17, 2025 |
| Owner notification | April 24, 2025 |
| Initiated by | Manufacturer |
Defect
Mack Trucks, Inc. (Mack) is recalling certain 2025 Anthem (AN) vehicles. The idler gear bracket fasteners may have been improperly tightened, allowing the idler gear to detach from the engine.
Safety risk
A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash or injury.
Remedy
Dealers will inspect and replace the turbo compound units as necessary, free of charge. Owner notification letters are expected to be mailed April 24, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0477.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or go to nhtsa.gov.
Vehicles covered by recall 25V256000
| Make and model | Model years |
|---|---|
| Mack Anthem (an) | 2025 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.