One problem related to brake disc has been reported for the 2000 Chevrolet Blazer. The most recently reported issues are listed below.
Vehicle is 18 months old and already having problems with brakes pulsating. GMC had consumer go to dealer so they could confirm what the problem was. Consumer went to midas, and they found rear brake rotors corroded, and pads had grooves cut in passage. Dealership would not roadtest vehicle or visually inspect it, consumer had rotors and pads replaced at midas.