2023 Mack Granite (GR) Recall: Front-drive steer axle fasteners may not have been tightened sufficiently…
NHTSA campaign 23V143000 · Steering · filed Mar 3, 2023 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling certain 2023 Granite (GR) vehicles. The front-drive steer axle fasteners may not have been tightened sufficiently and could come loose, resulting in a complete separation of the axle assembly joints.
The risk
Steer axle assembly separation can result in a loss of vehicle control, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will replace and tighten the axle fasteners, as necessary, free of charge. Owner notification letters were mailed March 20, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0441.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Granite (GR) | 2023 |
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Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 23V143000 (manufacturer number SC0441). Data last verified Jul 30, 2026.