One problem related to brake disc has been reported for the 2000 Chevrolet C3500. The most recently reported issues are listed below.
There is a vibration coming from the vehicle during activation of the brake system while driving at any speed. Dealership has examined vehicle, and replaced front brake rotors which have failed to effectively remedy the problem. Also, rear brakes intermittently fail to activate while driving at any speed , possibly resulting in excessive wear of the front brakes. Please provide any additional information / documentation.