One problem related to service brakes has been reported for the 2004 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 GMC Sierra 3500 based on all problems reported for the 2004 Sierra 3500.
The contact owns a 2004 GMC Sierra 3500. The contact stated that when depressing the brakes it would take longer than normal to stop the vehicle. The vehicle was taken to an independent mechanic who advised him that he needed to replace the disk and rotors. The vehicle was repaired; however, within approximately 20 months the same failure recurred. The manufacturer was notified of the failure and offered no assistance. The failure mileage was approximately 15,000.