NHTSA Recall 12V037000: Check valve (service brakes)
MACK TRUCKS, INC reported this safety recall to NHTSA on , covering an estimated 2 vehicles. It affects 2012–2013 Mack Granite (gu).
| NHTSA campaign | 12V037000 |
|---|---|
| Manufacturer campaign | SC0363 |
| Component | SERVICE BRAKES, AIR › SUPPLY › CHECK VALVE |
| Report received | February 1, 2012 |
| Owner notification | April 23, 2012 |
| Initiated by | Manufacturer |
Defect
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.
Safety risk
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.
Notes
Mack trucks' recall number is sc0363.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www.safercar.gov>http://www.safercar.gov</a> .
Vehicles covered by recall 12V037000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.