NHTSA campaign 25V256000

Mack Trucks, Inc. recall 25V256000

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.

Reported 04/17/2025

What can happen

A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash or injury.

Repair

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.

Components

  • Engine and engine cooling: Engine: Diesel

Affected years and models

A listed year and model does not mean every vehicle in that group is recalled. Use the VIN lookup to confirm a specific vehicle.