Mack Recall 25V256000: Engine And Engine Cooling, Engine, Diesel

NHTSA recall 25V256000 · announced April 17, 2025 · filed by Mack Trucks, Inc. · 3 units affected

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.

What to do

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.

Official NHTSA recall notice →

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 this recall

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.