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Data through Oct 2026
Campaign 21V-573

Rear drive axle may have the incorrect type of brake cam installed, which could result in inoperative rear axle brakes

View NHTSA filingAll Mack Trucks campaigns
Defect summary

Mack Trucks, Inc. (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.

Consequence

Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.

Remedy

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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 21V573000. Text as published by NHTSA.
Vehicles covered

3 product lines are covered

Owner complaints filed with NHTSA about brakes on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 21V-573
MakeModelModel yearsComplaints on this component
MackGranite (GR)20210
MackLR20210
MackTE20210
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.