One problem related to brake drum wheel cylinder has been reported for the 2004 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Hyundai Sonata based on all problems reported for the 2004 Sonata.
The contact owns a 2004 Hyundai Sonata. The contact stated that while driving 5 mph, the brake pedal was depressed to the floor but the brakes failed. The vehicle stopped when the emergency brake was applied. The vehicle was taken to an independent mechanic. The technician diagnosed that the hydraulic rear brake line and rear cylinders were corroded. The manufacturer was made aware of the failure. The approximate failure mileage was 95,000. The VIN was not available.
| Service Brakes problems | |
| Brake Electric Antilock problems | |
| Brake Drum Wheel Cylinder problems | |
| Brake Disc Pads problems | |
| Brake Disc Rotor problems |