2025 MACK ANTHEM (AN)
Thu Apr 17 2025
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Summary
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 to resolve this:
Dealers will inspect and replace the turbo compound units as necessary, free of charge. Owner notification letters are expected to be mailed June 11, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0477.
What happens if you don't resolve this:
A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash or injury.
Affected component:
ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Additional 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.