United StatesCertain Mack Trucks 2026 Anthem (AN), 2026–2027 Pioneer PR, Pinnacle (PI/PN), Granite (GR), and 2027 Anthem (AN) vehicles are affected; identify by model and model year. The wheel lug nuts may loosen and allow a wheel to detach, which can cause loss of control or a crash. Owners are advised not to drive until dealers inspect the wheel and hub mating surfaces, remove any masking material, and replace worn components free of charge.
What's being recalled
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.
How to identify it
NHTSA campaign 26V351000; Manufacturer campaign SC0495
The hazard
Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury.
What to do
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.
The official notice
This page is a summary of the notice published by U.S. National Highway Traffic Safety Administration, collected from U.S. National Highway Traffic Safety Administration. Check the original before you act on it.
Read the official notice (opens in a new tab)