CarRecallWatch- Component
- ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- Problem
- 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.
- 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.
What this recall means for you
An idler gear bracket on the engine may have fasteners that were not tightened properly. If they loosen, the idler gear can detach from the engine and cause damage.
A detached idler gear can damage the engine, leading to a stall. A sudden stall increases the risk of a crash or injury to you and others on the road.
Dealers will inspect the vehicle and replace the turbo compound units as necessary, at no cost to you. Owner notification letters are expected to be mailed April 24, 2025. You can contact Mack customer service at 1-800-866-1177 and reference recall SC0477, and you can check your VIN for any open recalls.
Check whether this recall is open on your vehicle
Official recall notice
Affected vehicles
| Mack Anthem (An) | 2025 |
|---|