NHTSA recall, , Do not drive
Mack Anthem, Pioneer, Pinnacle and Granite Trucks
The vehicles may have wheel lug nuts that loosen, allowing the wheel to detach and increasing crash risk.
Summary by Recall Canary from the NHTSA notice
What happened
Mack Trucks, Inc. 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. Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury. The recall was reported to NHTSA on May 28, 2026, and affects 644 vehicles nationwide.
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.
What to do
If you own a vehicle in this recall:
- Check your VIN (vehicle identification number) at nhtsa.gov/recalls. VINs are searchable from May 31, 2026.
- You are advised not to drive their vehicles until the repair has been performed. Free of charge.
- Dealers will inspect the wheel and hub mating surfaces, remove any masking material, and replace any worn components if necessary, free of charge. You may contact Mack's customer service at 1-800-866-1177.
- Look for the owner letter. Owner notification letters were mailed June 22, 2026.
What you get Free repair
Full text from NHTSA
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.
Is your Mack affected?
5 models
These models and years may be affected.
- Anthem (an), model years
- Anthem an (4), model years
- Granite (GR), model years
- Pinnacle (PI/PN), model years
- Pioneer PR (4), model years
Your VIN confirms it. Find the 17-character VIN on the driver's side of the dashboard or on your registration card.
Check your VIN on nhtsa.gov (opens in a new tab)Recall details
- Reported to NHTSA
- Sold in
- Nationwide
- Manufacturer
- Mack Trucks, Inc.
- Component
- Do not drive
- Risk
Do not drive
NHTSA says not to drive it until it is repaired.
NHTSA warning · How risk is rated
- Campaign
- 26V351000
- Vehicles affected
- 644
- Repair cost
- Free of charge
- Owner letters mailed
- Manufacturer's recall number
- SC0495
- Manufacturer phone
- 1-800-866-1177
All recalls from Mack Trucks, Inc.
Timeline
Reported to NHTSA
Listed on Recall Canary
Summary updated
