NHTSA vehicle safety data

2020 Mack LR Recalls, Ratings & Complaints

The 2020 Mack LR has 1 NHTSA recall campaign and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Mack dealer.

NHTSA recall and complaint data for the 2020 Mack LR. Recall data is refreshed daily from NHTSA.

STEERING

NHTSA #21V293000

Reported April 26, 2021 · Mack Trucks, Inc.

Potentially affected: 272 vehicles

Defect description

Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 LR vehicles. The steering transfer case may have an insufficient amount of oil.

Safety consequence

The internal bearings may fail without sufficient lubrication, causing steering lock-up and increasing the risk of a crash.

Manufacturer remedy

Dealers will replace the transfer case, free of charge. Owner notifications letters were mailed on May 12, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0424.

Notes

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.safercar.gov.

Other Mack LR model years

Check your 2020 Mack LR VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack LR at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

Check a Mack VIN