The Recall Desk
Our severity:SevereNHTSA·21V856000·Announced 2021-11-03

Mack Trucks Recalls 2021 Granite and LR Models for Steering Defect

Mack Trucks is recalling 2021 Granite and LR vehicles because a power steering pump defect may cause loss of assist, increasing 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 (power steering pump failure) that increases the risk of a crash, meeting the criteria for a Severe rating.

Plain-English summary

Mack Trucks, Inc. is recalling certain 2021 Mack Granite and LR vehicles. The recall addresses a machining defect in the power steering pump that may cause pressure to build up and break the shaft seal. This failure results in a loss of power steering assist.

A loss of power steering assist increases the risk of a crash. Owner notification letters were mailed on December 10, 2021.

Dealers will replace the power steering pump 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. Mack's number for this recall is SC0432.

The recalled product

Product
MACK GRANITE (GR), LR
Brand
MACK
Manufacturer
Mack Trucks, Inc.
Category
Vehicle — Heavy-Duty Truck
Hazard
Affected units
79

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 (2)

  • GRANITE (GR)
  • LR

Distribution

Distributed nationwide across the United States.

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