PARKING BRAKE:DRIVELINE:AIR
Apr 26, 1991
53 units potentially affected
The defect: THE BENDIX MV-2 PARKING CONTROL VALVE INSTALLED IN VEHICLES WITHOUT A DESICCANT STYLE AIR DRYER MAY EXPERIENCE A SEAL FAILURE. THIS FAILURE MAY ALLOW THE VALVE TO MOVE FROM THE PARK POSITION TO THE RELEASE POSITION, ALLOWING THE PARKING BRAKES TO RELEASE.
The risk: RELEASE OF THE PARKING BRAKES WHILE THE VEHICLE ISUNATTENDED OR WITHOUT WARNING COULD RESULT IN A VEHICLE ACCIDENT.
The remedy: REBUILD THE BENDIX MV-2 PARKING CONTROL VALVE.
VOLVO GM HEAVY TRUCK CORPView on NHTSA.gov