2021 Mack LR Problems, Complaints & Recalls
- Compared with other LR years
- Not enough data 2nd of 16 for complaints
- Safety recalls
- 3 recalls: check your VIN
- NHTSA crash rating
- Not rated
NHTSA has received no owner complaints about the 2021 Mack LR so far. There are 3 safety recalls covering this model year.
- 0owner complaints
- 3safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
2021 Mack LR recalls (3)
Tap a recall to see the problem, the risk and the fix.
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.
Steering:hydraulic power assist:pump
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.
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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Other Mack LR years
| Year | Complaints | Recalls |
|---|---|---|
| 2025 LR | 0 | 2 |
| 2024 LR | 0 | 6 |
| 2023 LR | 0 | 2 |
| 2022 LR | 0 | 1 |
| 2021 | 0 | 3 |
| 2020 LR | 0 | 1 |
| 2019 LR | 1 | 2 |
| 2018 LR | 0 | 1 |
| 2017 LR | 0 | 1 |
| 2016 LR | 0 | 3 |
| 2015 LR | 0 | 3 |
| 2014 LR | 0 | 1 |
| 2013 LR | 0 | 1 |
| 2012 LR | 0 | 1 |
| 2011 LR | 0 | 1 |
| 2010 LR | 0 | 1 |
See all Mack LR problems by year, every Mack model, or the VIN decoder.
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Frequently asked questions
What are the most common problems with the 2021 Mack LR?
NHTSA has no owner complaints on file yet.
Was there a recall on the 2021 Mack LR?
Yes, 3 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2021 Mack LR a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other LR model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.