The contact owns a 2013 Ford Edge. The contact stated that while driving 50 MPH, the brake pedal was depressed, and there was an abnormal grinding sound coming from the vehicle, and the vehicle failed to respond. The brake failure and general warning lights were illuminated. The contact stated that the brakes eventually responded. The vehicle was then taken to an independent mechanic, who diagnosed the vehicle; however, the independent mechanic refused to repair the vehicle. The independent mechanic informed the contact the failure should be covered under recall. The independent mechanic stated that he would be liable if the brakes failed again, and the contact was involved in a crash. The vehicle was then taken to a dealer, where it was diagnosed with brake booster failure. The vehicle received repair for a bent push rod, motor craft, motor, brake fluid, and the upper intake was replaced. After the repair, the failure recurred two more times, and the vehicle was repaired two more times. The vehicle was pending further repairs. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline. The failure mileage was approximately 164,301.