1991 GMC SAFARI — SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

WHILE DRIVING AT APPROX 15 MPH PREPAIRING TO STOP, WEATHER CONDITION WAS DRY, REAR ENDED VEHICLE IN FRONT. WENT TO APPLY BRAKES, HEARD NOISE ,NO REACTION, NO SKID MARKS FROM WHEELS. DEALERSHIP CANNOT FIND PROBLEM. CHANGED BRAKEPADS AND SHOES/ROTORS/MASTER CYLINDER. THIS DEFECT CAN RESULT IN AN ACCIDENT. *AK SERPENTINE BELT REPLACED DUE TO CAUSING NOISE. TRANSMISSION SLIPPING, DEALER FOUND NO PROBLEMS. FRONT BRAKES WORN TO SENSORS, DEALER HAS REPLACED REAR BRAKE DRUMS REPLACED, FRONT CALIPER DRAGGING. CONSUMER STATES FROST COMING OUT OF VENTS AT TIMES. OIL PRESSURE DISPLAY UNSTABLE AND INTERMITTENT, DEALER REPLACED OIL PRESSURE SENDING UNIT REPLACED. WIND NOISE AROUND DRIVER DOOR. *SLC