Tl* the contact owns a 2006 ford e-150. the contact was driving approximately 30 mph and depressing the brakes when he noticed an increase in stopping distance and time. intermittently, the brake pedal was able to be depressed into the floorboard abnormally. the vehicle was taken to the dealer where they advised the contact that the hydraulic control unit had failed. the vehicle was repaired. the failure mileage was approximately 108,000.