Mack · United States · High
Mack Granite GR (4): Service brakes — drum
Affects Mack Granite GR (4) · 2026 — about 36 vehicles.
The hazard
Reduced brake function can extend the distance required to stop, increasing the risk of a crash.
What to do
Dealers will replace the steer axle brake drums, free of charge. Owner notification letters were mailed August 27, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0482.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational