One problem related to brake disc has been reported for the 1999 Chevrolet C3500. The most recently reported issues are listed below.
Front brakes wear out about every 4,000 miles. On August 24th, the front brakes went out totally, which could have resulted in a crash . This happened during normal stopping. Pads have been replaced 4 times but problem was not solved. Dealer contacted, aware of brake problem, but all they are allowed to do is replaced the pads.