Mack · United States · Crit
Mack Granite (Gu): Service brakes — chamber
Affects Mack Granite (Gu) · 2010–2016 — about 679 vehicles.
The hazard
Overheated brakes may cause a tire blowout or fire, increasing the risk of a crash.
What to do
Dealers will inspect and replace the brake chambers as necessary, free of charge. Owner letters were mailed April 14, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0491. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning December 22, 2025. Owners who received a remedy under Recall 15V804 (SC0398) must have the new remedy completed.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational