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Recall campaign25V256000

Recall 25V256000: 2025 Mack Anthem (an)

Engine and engine cooling › Engine › Diesel
Report received
Apr 17, 2025
Manufacturer
Mack Trucks, Inc.
Potentially affected
3vehicles
Model years
2025

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

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.

Possible 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.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.