Recall 25V-256: 2025 Mack Anthem (AN)
Mack Trucks, Inc. recall for engine and engine cooling, reported to NHTSA on Apr 17, 2025, covering about 3 vehicles.
The 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.
The risk
A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash or injury.
The fix
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.
Recall details
| Manufacturer | Mack Trucks, Inc. |
|---|---|
| Component | Engine and Engine Cooling › Engine › Diesel |
| Recall started by | the manufacturer |
| NHTSA campaign number | 25V256000 |
Vehicles in this recall
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 25V-256?
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.
How is recall 25V-256 fixed?
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.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.