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.
RELEASE OF THE PARKING BRAKES WHILE THE VEHICLE ISUNATTENDED OR WITHOUT WARNING COULD RESULT IN A VEHICLE ACCIDENT.
REBUILD THE BENDIX MV-2 PARKING CONTROL VALVE.