One problem related to brake master cylinder has been reported for the 1999 Chevrolet Express 3500. The most recently reported issues are listed below.
Tl- the contact owns a 1999 Chevrolet express g3500. The contact stated that while at a complete stop, the brake pedal suddenly failed. The vehicle was taken to a private mechanic where it was determined that the brakes line were corroded up to the master cylinder. The vehicle was not repaired. The manufacturer was not contacted about the failure. The failure mileage was 128,000. Kmj.