2021 Mack LR recalls and problems
The 2021 Mack LR has 3 safety recalls. Recall repairs are free at any Mack dealer.
Recalls may cover only some 2021 Mack LR vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.
2021 Mack LR recalls
Recall 22V-401: Steering
Problem: 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.
Risk: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Fix: 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.
Recall 21V-856: Steering
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2021 Granite and LR vehicles. A machining defect may cause pressure to build in the power steering pump and break the shaft seal, resulting in a loss of power steering assist.
Risk: A loss of power steering assist increases the risk of a crash.
Fix: Dealers will replace the power steering pump, free of charge. Owner notification letters were mailed on December 10, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0432.
Recall 21V-573: Service Brakes, Air
Problem: 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.
Risk: Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.
Fix: 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.
Other Mack LR years
Frequently asked questions
Does the 2021 Mack LR have any recalls?
Yes — NHTSA lists 3 recalls for the 2021 Mack LR: 22V-401 (steering), 21V-856 (steering), 21V-573 (service brakes, air). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.
Are Mack recall repairs free?
Yes. Safety recall repairs are free at authorized Mack dealers, whether you are the first owner or bought the car used.