RecallPulseUpdated Oct 9, 2026

2021–2022 Mack Anthem (an), Mack Granite (gr), Mack LR +more: Steering recall

NHTSA campaign 22V401000 · 5,644 units potentially affected · filed Jun 7, 2022

What's wrong

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.

Why it matters

A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

The 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.

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.

Recall details

NHTSA campaign
22V401000
Manufacturer no.
SC0437
Manufacturer
Mack Trucks, Inc.
Component
STEERING
Units affected
5,644
Report received
Jun 7, 2022
Owner letters
Jul 29, 2022
Type
Vehicle

Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.

Vehicles covered