Wheels: lugs/nuts/bolts/studsRecall 26V-351 · Mack vehicles
Mack Trucks, Inc. recall 26V-351 covers 644 Mack vehicles for a wheels: lugs/nuts/bolts/studs problem, reported to NHTSA on May 28, 2026. The manufacturer's latest report (2026 Q3) shows 84% of affected vehicles repaired.
Do not drive these vehicles until repaired
Source: NHTSA recall 26V351000 and manufacturer quarterly reports. Started by the manufacturer.
The 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.
The risk
Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury.
The fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
84%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.
Vehicles in this recall
Built from June 3, 2025 to May 19, 2026. Not every vehicle in these model years is included; check by VIN.