PROBLEM: INTERMITTENT LOSS OF FULL BRAKING ABILITY. DETAILED DESCRIPTION: WHEN LEAVING WORK, MY DRIVING ROUTINE IS VERY SIMILAR DAY-TO-DAY. OF THE ESTIMATED 370 TIMES I HAVE LEFT WORK WHILE DRIVING THIS VEHICLE, I HAVE HAD BRAKE FAILURE ON 5 TO 10 OCCASIONS. THE SCENARIO IS THIS: 1.START ENGINE, BACK OUT OF PARKING SPOT, AND APPLY BRAKES IN ORDER TO SHIFT FROM R TO D. 2.DRIVE 100 FEET THROUGH PARKING LOT AND APPLY BRAKES A SECOND TIME WHILE WAITING TO ENTER THE MAIN ROAD. 3.DRIVE ONE-QUARTER MILE AND APPLY BRAKES A THIRD TIME AT THE FIRST TRAFFIC LIGHT. IT IS THIS THIRD APPLICATION OF BRAKES THAT SOMETIME RESULTS IN BRAKE FAILURE. THE BRAKE PEDAL WILL GO ALL THE WAY TO THE FLOOR, AND BRAKING CAPABILITY IS ABOUT 30% OF WHAT IT SHOULD BE. IF I PUMP THE BRAKES, THE FAILURE WILL DISAPPEAR AND NORMAL BRAKING RETURNS. THIS RESULTED IN A REAR END ACCIDENT, WHEN I COULD NOT STOP AND HIT THE STOPPED VEHICLE IN FRONT OF ME. VEHICLE HAD 36,801 MILES ON THE ODOMETER AT THE TIME OF ACCIDENT, AND NO BRAKE REPAIRS HAD EVER BEEN ATTEMPTED ON THE VEHICLE. *TR