Recall Register

2021 Mack LR: recalls and complaints

NHTSA lists 3 recall campaigns for the 2021 Mack LR. The newest campaign is 22V401000. NHTSA received the report on 7 Jun 2022. The NHTSA record gives the component Steering. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 22V401000, in the NHTSA record

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.
NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

3 campaigns, newest first. 5,847 units in total.

  1. 22V401000Received . 5,644 units.

    Steering

    Defect, in the NHTSA record
    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, in the NHTSA record
    A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0437. Owner notification date in the NHTSA record: .

  2. 21V856000Received . 79 units.

    Steering / Hydraulic Power Assist / Pump

    Defect, in the NHTSA record
    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, in the NHTSA record
    A loss of power steering assist increases the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0432. Owner notification date in the NHTSA record: .

  3. 21V573000Received . 124 units.

    Service Brakes, Air

    Defect, in the NHTSA record
    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, in the NHTSA record
    Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0427. Owner notification date in the NHTSA record: .

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

  1. 20101
  2. 20111
  3. 20121
  4. 20131
  5. 20141
  6. 20153
  7. 20163
  8. 20171
  9. 20181
  10. 20192
  11. 20201
  12. 20213
  13. 20221
  14. 20232
  15. 20246
  16. 20252

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

Official channels

Cite this page

Recall Register. 2021 Mack LR: recalls and complaints. https://recallregister.com/vehicle/mack/lr/2021/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
30 Sep 2026
Complaint file through
30 Sep 2026
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
Mack Trucks, Inc.

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2021 Mack LR?
5,847 units in 3 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Mack LR have for all model years?
NHTSA lists 15 recall campaigns for the Mack LR, model years 2010 to 2025. 3 of them name the 2021 model year.
Is an NHTSA investigation of the 2021 Mack LR open?
The NHTSA investigation file has no investigation that names this model year.