Mack · United States · High
Mack Pinnacle (Cxu): Service brakes — chamber
Affects Mack Pinnacle (Cxu) · 2013–2015 — about 79 vehicles.
The hazard
Contamination of the calipers may cause a loss of brakes on one wheel, lengthening the distance required to stop the vehicle, increasing the risk of a crash.
What to do
Mack will notify owners, and dealers will inspect the disc brake caliper and brake chamber to determine if the washers are located in the correct position. If the washers are in the correct position, no further action is required. If the washers are not located in the correct position, replacement of the disc brake caliper and brake chamber will be performed and the addition of two washers per brake assembly will be installed, free of charge. The recall began on September 30, 2015. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0392.