Does the 2021 Mack LR have any recalls?

3 recalls found in NHTSA data as of September 22, 2026, covering: steering, service brakes, air. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 2021 Mack LR recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 2021 Mack LR?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

2021 Mack LR recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

3 recalls found in NHTSA data as of September 22, 2026

For the 2021 Mack LR. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Mack been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.

2021 Mack LR recalls, newest first

June 7, 2022NHTSA 22V4010005,644 vehicles potentially affected

Steering

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

This recall on nhtsa.gov

November 3, 2021NHTSA 21V85600079 vehicles potentially affected

Steering › Hydraulic power assist › Pump

Summary: 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.
Consequence: A loss of power steering assist increases the risk of a crash.
Remedy: 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.

This recall on nhtsa.gov

July 27, 2021NHTSA 21V573000124 vehicles potentially affected

Service brakes, air

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.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2021 Mack LR were found in NHTSA’s complaint data.

Other Mack LR years

Other 2021 Mack models

Most recalled 2021 vehicles

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2021 Tesla Model X (24 recalls)

All of 2021’s most recalled vehicles

Questions

Does the 2021 Mack LR have any recalls?: 3 recalls found in NHTSA data as of September 22, 2026, covering: steering, service brakes, air. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2021 Mack LR recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2021 Mack LR?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.