Brake Disc Caliper problems of the 2005 Lexus GX470

The contact owns a 2005 Lexus Gx470. The contact stated that the brake calipers failed. The failure was experienced numerous times. The contact stated that failure first occurred at 60,000 miles. The front end of the vehicle vibrated and shook when driven at various speeds. The vehicle was taken to the dealer where it was diagnosed that the front brakes, calipers, and rotors needed to be replaced. The front brakes, calipers, and rotors were replaced; however, the failure continued. The vehicle was taken back to the dealer where it was diagnosed that the brakes, calipers, and rotors needed to be replaced. The vehicle was not repaired. The manufacturer was notified. The failure mileage was 89,000.