NHTSA Campaign 25V256000

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Issued by Mack Trucks, Inc. · Reported Apr 17, 2025 · 3 vehicles affected

What's wrong

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.

Consequence

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.

Vehicles affected by this recall

Make Model Year Units
MACK ANTHEM (AN) 2025 3

Source: NHTSA Campaign 25V256000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.