Two problems related to brake foundation components have been reported for the 2002 GMC Sierra. The most recently reported issues are listed below.
Steady braking performance degradation since new, in conjuction with premature rear brake failure @ 28000 mi (2. 5 yrs old), while front brakes still had over 50% remaining pad life. Dealer stated that rear rotor rust caused rear pad failure. Inspection of rear pads indicate other problems-uneven front to rear wear on lr inner pad . 018" -. 044", while lr outer pad had no brake material left. Rr outer pad had slight grooving across top with thickness between . 110-. 118", rr inner pad had grooving top and bottom, with between . 122-. 151" thickness pad material left.
The consumer's vehicle had brake problems. The vehicle was taken to the dealer on sept. 3, 2004. All 4 brakes and rotors were replaced. The rotors broke on removal due to all the corrosion. New rotors were install but they have corroded again. Consumer heard clunking noise when turning steering wheel, dealership technician lubed the intermediate steering wheel and clunking was gone. After getting the rotors and brakes replaced about 2,026 miles later they have to be replaced again because of corroding.