SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
THE RUBBER VALVE OF THE BRAKE AIR MASTER (BOOSTER) MAY TEAR DUE TO HIGH FLUID PRESSURE DEVELOPED DURING SIMULTANEOUS APPLICATION OF BOTH THE SERVICE AND REAR WHEEL PARKING BRAKE. CONSEQUENCE OF DEFECT: THE DAMAGE RUBBER VALVE RESULTS IN LOSS OF SERVICE BRAKE CAPACITY WHICH MAY LEAD TO AN ACCIDENT.
Remedy: REPLACE BRAKE AIR MASTER (BOOSTER).
108 vehicles affected