Mack · United States · Mod
Mack Pinnacle (Chu), Pinnacle (Cxu) +1 more: Service brakes — reservoir/tank
Affects Mack Pinnacle (Chu), Pinnacle (Cxu), Anthem (An) · 2014–2019 — about 9 vehicles.
The hazard
The undersized air brake supply reservoir may provide an insufficient air supply to properly operate the brakes during repetitive brake applications, reducing braking performance and increasing the risk of a crash.
What to do
Mack will notify owners and dealers will add an air tank to the affected vehicles, free of charge. The recall began April 10, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0417.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational