Do Not Drive: Wheel May Detach

Affected vehicles (5)

Component / system

Defect

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 / 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.

Chronology of events

1. May 21, 2026

   May 21, 2026: Product Safety Committee determines that a product safety defect exists and decides to initiate a recall for Volvo Trucks North America; Committee requested investigation team to conduct a parallel review of all Mack Trucks built during the same time frame There has been 1 warranty claim, 2 field reports, 0 accidents or 0 injuries reported with this issue.

Notification schedule

Dealer notification

May 29, 2026 - Jun 05, 2026 No Dealers

Owner notification

May 29, 2026 - Jun 05, 2026 Phased Recall