The Recall Desk
Our severity:SevereNHTSA·21V293000·Announced 2021-04-26

Mack Trucks Recalls 2019-2020 LR Models for Steering Transfer Case Defect

Mack Trucks is recalling 2019-2020 LR vehicles because the steering transfer case may have insufficient oil, which can cause steering lock-up and increase crash risk.

What this means for you

Our assessment, not the agency’s: severity 4/5 (Severe).

The hazard poses a serious risk of illness, injury, or structural failure. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect (steering lock-up) that increases the risk of a crash, which aligns with the rubric criteria for a Severe rating.

Plain-English summary

Mack Trucks, Inc. is recalling certain 2019-2020 LR vehicles. The recall addresses a defect where the steering transfer case may contain an insufficient amount of oil.

The lack of sufficient lubrication may cause internal bearings to fail, resulting in steering lock-up and increasing the risk of a crash. Owner notification letters were mailed on May 12, 2021.

Dealers will replace the transfer case free of charge. Owners may contact Mack customer service at 1-800-866-1177 or the NHTSA Vehicle Safety Hotline at 1-888-327-4236 for more information. Mack's recall number is SC0424.

The recalled product

Product
MACK LR
Brand
MACK
Manufacturer
Mack Trucks, Inc.
Category
Vehicle — Heavy-Duty Truck
Hazard
Affected units
272

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (1)

  • LR

Distribution

Distributed nationwide across the United States.

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