PARKING BRAKE
Dec 28, 1988
82 units potentially affected
The defect: DUE TO IMPROPERLY ASSEMBLED PARKING BRAKE HYDRAULIC SYSTEM, IN COLD WEATHER HIGH OIL BACK PRESSURE MAY OCCUR; WHEN ENGINE IS STARTED PARTIAL OR FULL RELEASE OF PARKING BRAKE MAY AUTOMATICALLY OCCUR.
The risk: IF THIS OCCURS WHEN VEHICLE IS PARKED ON AN INCLINE,VEHICLE COULD ROLL DOWN THE INCLINE AND RESULT IN AN ACCIDENT OR PERSONALINJURY.
The remedy: INSTALL A NEW HYDRAULIC HOSE AND FITTINGS TO ELIMINATE THE BACK PRESSURE FROM THE SIGNAL PORT WHICH WOULD PRECLUDE ANY FALSE SIGNAL TO THE PARKING BRAKE.
OSHKOSH TRUCK CORPORATIONView on NHTSA.gov