Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Safety risk
A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Manufacturer remedy
Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0437.
Mack Trucks, Inc. (Mack) is recalling certain 2008-2019 TerraPro (MRU) and 2019-2022 TerraPro (TE) vehicles. A brake control valve air leak into the attached exhaust hose can create excessive back pressure, causing the parking brake to release unexpectedly.
Safety risk
The unexpected release of the parking brake may allow the vehicle to rollaway, increasing the risk of a crash.
Manufacturer remedy
Dealers will remove the exhaust tube and fitting from the valve, free of charge. Owner notification letters were mailed February 8, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0433.
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.
Safety risk
Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.
Manufacturer 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.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
No complaints recorded for this model year.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.