One problem related to engine exhaust system has been reported for the 1998 GMC Safari. The most recently reported issues are listed below.
1998 GMC Safari has died five times and each time there was a loss of brakes and power steering ability. Stalled while driving (no start), check fuel system. Perform fuel induction and throttle body clean. R&r old belt, tensioner came apart, replace tensioner and belt to repair.