DRIVING DOWN THE ROAD WHEN A VAN STOPPED. I HIT THE BRAKES, BUT THERE WERE NO BRAKES AT ALL. THEN I HIT THEM AGAIN AND AGAIN AND AGAIN AND THE BRAKES ACTIVATED BUT IT CONCLUDED WITH A MAJOR ACCIDENT OCCURRING . THIS WAS THE FIRST TIME I LOST BRAKES. I HAVE REPLACED THE BRAKE SYSTEM THREE TIMES SINCE THIS ISSUE AND I SHOW NO REPLACING OF VACUUM TANK AND THE BRAKES ARE ALWAYS BAD AND NEEDING TO BE FIXED THREE TIMES IN FOUR YEARS THAT'S A BRAKE JOB A YEAR. THE DATE DONE WORK HERE BUT THIS HAS HAPPENED 2/12, 2013 AND 2014.