WHEN BRAKES ARE JUST TOUCHED, THEY WILL CONTINUE TO GO TO FLOOR BY THEMSELVES THEREBY STOPPING ON A DIME, CONTENTS AND PEOPLE BEING THROWN FORWARD. WE HAVE HAD FORD DEALER CHECK AND THEY "THINK" IT MAY BE MASTER CYLINDER OR VACUUM PROBLEM ,BUT CAN'T REPRODUCE PROBLEM, THEREBY CAN'T FIX. THIS IS A POTENTIALLY VERY DANGEROUS BUT INCONSISTENT PROBLEM! *AK