One problem related to brake disc pads has been reported for the 2005 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 GMC Sierra 2500 based on all problems reported for the 2005 Sierra 2500.
Brake pedal 'sinks' a bit toward floor, on slow stops, just before car comes to a stop. Occurs on almost every stop, brakes inspected and discs and pads are okay.