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Recall campaign12V037000

Recall 12V037000: 2012–2013 Mack Granite (gu)

Service brakes, air › Supply › Check valve
Report received
Feb 1, 2012
Manufacturer
Mack trucks, inc
Potentially affected
2vehicles
Model years
2012–2013

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

Mack is recalling certain model year 2012-2013 gu, manufactured from december 2, 2010, through january 18, 2012, and equipped with bendix atr-6 traction relay valves. In extremely cold conditions, these bendix relay valves may potentially develop internal leakage. Internal leakage can lead to air pressure being delivered to affected primary or secondary brake causing continuous brake application.

Possible consequence

Inadvertent brake application can cause the brakes to overheat and lead to a fire. Inadvertent brake application can cause the wheels to lock-up leading the driver to lose control of the vehicle, increasing the risk of a crash.

Remedy

Mack will notify owners, and provide a temporary repair until bendix develops a permanent remedy. This service will be performed free of charge. Owners may contact mack trucks at 1-800-866-1177.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.