One problem related to brake disc rotor has been reported for the 2009 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Hyundai Sonata based on all problems reported for the 2009 Sonata.
The contact owns a 2009 Hyundai Sonata. While driving at a speeds of 20 mph, the rear brakes failed causing the brake pads to fracture and separate from the vehicle. The calipers were rubbing into the rotors, causing it to make an unusual grinding noise. The front brakes were not affected, allowing the contact to bring the vehicle to a stop. The brakes and rotors were replaced by an authorized dealer. The failure mileage was 60,000.