THE TRUCK BRAKES DID NOT WORK ONCE THE VEHICLE WAS STARTED. THE ENGINE WAS AT FAST IDLE, PLACED IN DRIVE AND THE BRAKES WOULD NOT FUNCTION. THIS LURCHED THE TRUCK FORWARD WHILE EXTREME PRESSURE WAS APPLIED TO STOP IT. DANGEROUS IN A PARKING SETTING WHERE A PEDESTRIAN IS WALKING IN FRONT OR BEHIND THE TRUCK. IT JUMPS FORWARDS OR BACK, DEPENDING IF DRIVE OR REVERSE IS SELECTED. AS TIME WENT BY THE BRAKES BECAME WEAKER WHEN APPLYING AT STOPS. AS I REFLECT BACK IN THE PAST WHEN PULLING A TRAILER IT HIT THE BACKEND OF ANOTHER VEHICLE IN AN EMERGENCY STOPPING SITUATION ON THE INTERSTATE. THE TRUCK WOULD PARK WELL IN THE GARAGE, BUT WHEN PULLING OUT YOU HAVE TO BE AWARE OF IT LURCHING INTO THE HOUSE OR ANOTHER VEHICLE. TOOK THE TRUCK TO FORD DEALER WHICH DIAGNOSED IT AS A BRAKE VACUUM PUMP FAILURE. THE ECO BOOST ENGINE IS TURBO CHARGED WHICH ROBS THE VACUUM SYSTEM OF NEEDED VACUUM. TO SUPPLEMENT THE NEED FOR VACUUM THIS VACUUM PUMP WAS ENGINEERED INTO THE SYSTEM TO PROVIDE ADDITIONAL VACUUM. IF IT FAILURES THE BRAKES FAIL ALSO. THE 2014 MODELS HAVE BEEN REENGINEERED TO A MECHANICAL PUMP ELEMINATING THE ELECTRICAL PUMP. THE FORD SERVICE MAN SAID THAT THERE HAVE BEEN A RANGE OF NUMEROUS BRAKE FAILURES DUE TO THIS PUMP CONFIGURATION. THE FORD GARAGE CHARGED $832.57 TO GET US BACK ON THE ROAD AND FOR US TO HAVE A SAFE TRIP.