NHTSAENGINE AND ENGI...
Mack Trucks, Inc. - Idler Gear May Detach Causing Engine Stall
Published: April 17, 2025Recall ID: 25V256000Category: vehiclesCountry: US
Reason for Recall / Hazard
A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash or injury.
Product Description & Identification
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.
Affected Products
Idler Gear May Detach Causing Engine Stall
Additional Source Details
| Field | Value |
|---|---|
| Subject | Idler Gear May Detach Causing Engine Stall |
| Nhtsa id | 25V256000 |
| Component | ENGINE AND ENGINE COOLING |
| Recall link › Url | https://www.nhtsa.gov/recalls?nhtsaId=25V256000 |
| Recall link › Description | Go to Recall |
| Recall type | Vehicle |
| Do not drive | No |
| Manufacturer | Mack Trucks, Inc. |
| Defect 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. |
| Completion rate | 100.00 |
| Corrective action | 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. |
| Consequence summary | A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash or injury. |
| Mfr campaign number | SC0477 |
| Potentially affected | 3 |
| Report received date | 2025-04-17T00:00:00.000 |
| Fire risk when parked | No |