Mack DMM recalls
There are 4 safety recalls on record for the Mack DMM, covering 56,777 vehicles in total across all the models in each campaign. Newest first.
Mack DMM recalls by model year
All recalls
Service brakes, air: supply: check valve
- What is wrong
- Certain heavy duty vehicles fail to comply with the requirements of federal motor vehicle safety standard no. 121, "air brake systems." improper seating of the check valve retainer in the brass fitting housing has occurred. It is possible for the air brake system pressure to push the check valve internal parts into the primary system reservoir and a vehicle operator would not know that this has happened.
- Risk
- In this condition, the vehicle would not meet the emergency requirements of the standard.
- Remedy
- Dealers will replace the check valve. Owner notification began november 26, 2003. Owners should contact mack at 1‑610‑709‑3337.
Recall number 03V253000 · Recall details
Steering: hydraulic power assist: pump
- What is wrong
- Vehicle description: trucks equipped with e-tech engines. A condition exists on the auxiliary drive shaft of the e-tech engine that causes the loss of power steering on vehicles where the power steering pump is mounted off the front of the engine.
- Risk
- This could result in the loss of power steering.
- Remedy
- Dealers will inspect the vehicles and replace the nut that holds the gear to the auxiliary drive shaft. Owner notification began march 22, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1‑610‑709‑3011.
Recall number 01V389000 · Recall details
Service brakes, air: controls, pedals and linkages
- What is wrong
- Vehicle description: heavy duty trucks equipped with certain meritor-wabco brake system two and four port relay valves. The valve may stick open when a high-pressure application is released.
- Risk
- When the valve sticks open, it can result in a total loss of air from either the service or the park brake system. The driver may lose braking ability under a service application, possibly resulting in a vehicle crash.
- Remedy
- Dealers will replace these valves. Owner notification began november 16, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1‑610‑709‑3011 or meritor wabco at 800‑535‑5560.
Recall number 01V189004 · Recall details
Vehicle speed control
- What is wrong
- Fuel injection system reconfiguration to comply with engine emission standards cause higher engine vibration levels which lead to early wear and complete failure of the secondary throttle return mechanism.
- Risk
- In the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control.
- Remedy
- A new production secondary throttle return system configuration will be installed.
Recall number 94V032000 · Recall details
Questions about the Mack DMM recalls
How do I check if my Mack DMM has an open recall?
Enter your VIN in the VIN decoder on this page to see the recalls for your exact model and year, then confirm with any dealer of the brand or the manufacturer, who can tell you whether the repair was already done on your car.
Do I have to pay for a recall repair?
No. Safety recall repairs are free at any authorized dealer of the brand, even if the car is out of warranty or you are not the first owner.
How many recalls does the Mack DMM have?
4, covering service brakes, air, steering and vehicle speed control.
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