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Vehicle recall 26V351000 · May 28, 2026

Mack Granite (gr), Pinnacle (PI/PN) and 3 more models

The wheel lug nuts may loosen and allow the wheel to detach.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Do not drive affected vehicles until they are repaired. This is the manufacturer’s safety advisory for this recall.

Summary
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.
Consequence
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.

Recall details

NHTSA campaign
26V351000
Reported to NHTSA
May 28, 2026
Filed by
Mack Trucks, Inc.
Manufacturer campaign
SC0495
Owner notification
June 17, 2026
Vehicles potentially affected
644
Initiated by
the manufacturer
Components
Wheels › Lugs/nuts/bolts/studs
Recall 26V351000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Mack been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.