One problem related to brake drum has been reported for the 2006 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 GMC Sierra 1500 based on all problems reported for the 2006 Sierra 1500.
Brakes making noise at rear of vehicle they howled, I have the brakes resufaced at 12,000 and again at 24000 and they still make noise. The drivers seat pops and crackes and makes a metal to metal noise it has been repaired countless times and it still makes a obsene noise.