Two problems related to brake drum have been reported for the 1999 GMC Savana. The most recently reported issues are listed below.
Drum and brakes are failing every 13,000 miles without notice. Service station advises they have had several related problems.
When making a normal stop vehicle was very hard to stop, causing extended stopping distance. Consumer contacted dealer, dealer determined the cause to be oil leaking onto the brakes. Also, dealer has replaced the drums and put new oil seals in axles. . Et.