Mack Trucks – Rear Axle Brakes May Fail

Mack Trucks (Mack) is recalling certain 2021 Granite, LR, and TerraPro vehicles. The rear drive axle may have the incorrect type of brake cam installed, which could result in inoperative rear axle brakes.


Report Received Date 07/27/2021
NHTSA ID 21V573000
Consequence Summary Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.
Corrective Action Dealers will inspect the brake cams, and incorrect brake cams will be replaced, along with brake shoes, hardware, and wheel seals, as necessary, free of charge. Owner notification letters were mailed on August 10, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0427.
Recall Code SC0427
Potentially Affected 124
Fire Risk When Parked No
Do Not Drive No
Recall Link Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=21V573000)

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