One problem related to brake grinding noise has been reported for the 2000 Chevrolet K3500. The most recently reported issues are listed below.
Problems began about March 2005, with anti lock brake system. Front brakes are grabbing, and calipers stay shut. When driver hits the brakes hard calipers lock. And when making turns a noise is heard, a grinding noise. In last 4 months brakes were replaced twice. Extended stopping distance is caused when this occurs. No warning lights come on, after removal,the pads were chewed up. Not worn, but damaged. Owner replaced brakes.