CarRecallWatch- Component
- WHEELS:LUGS/NUTS/BOLTS/STUDS
- Problem
- Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pioneer PR (4), Pinnacle (PI/PN), Granite (GR), and 2027 Anthem AN (4) vehicles. The wheel lug nuts may loosen and allow the wheel to detach.
- Risk
- Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury.
- Remedy
- Owners are advised not to drive their vehicles until the repair has been performed. Dealers will inspect the wheel and hub mating surfaces, remove any masking material, and replace any worn components if necessary, free of charge. Owner notification letters were mailed June 22, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0495. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 31, 2026.
What this recall means for you
Certain heavy-duty trucks have wheel lug nuts that may loosen over time. If the nuts loosen, the wheel can detach from the vehicle, which can cause a loss of vehicle control or create a road hazard and raise the risk of a crash or injury.
Owners are advised not to drive the affected vehicle until the repair has been performed. Authorized dealers will inspect the wheel and hub mating surfaces, remove any masking material, and replace any worn components if necessary. The repair is free of charge.
Owner notification letters were mailed June 22, 2026. You can contact Mack customer service at 1-800-866-1177 and reference recall SC0495. You can also check whether your vehicle's VIN is involved in this recall using the NHTSA.gov recall lookup.
Check whether this recall is open on your vehicle
Official recall notice
Affected vehicles
| Mack Anthem (An) | 2026 |
|---|---|
| Mack Anthem AN (4) | 2027 |
| Mack Granite (Gr) | 20262027 |
| Mack Pinnacle (Pi/Pn) | 20262027 |
| Mack Pioneer PR (4) | 20262027 |