One problem related to brake master cylinder has been reported for the 1998 Chevrolet Silverado 1500. The most recently reported issues are listed below.
The contact owns a 1998 Chevrolet Silverado 1500. The contact stated that the brakes repeatedly failed. The hubs, calipers, rotors, and the master cylinder were repaired three separate occasions. Whenever the brakes were depressed, they would vibrate violently and seize. The vehicle was taken to two different mechanic shops for the repairs, but they could not diagnose the failure. The dealer was not notified. The manufacturer was notified and stated that there were no recalls or warranties available. No further assistance was offered. The failure mileage was 100,000 and the current mileage was 105,000.