Three problems related to abs brake fail have been reported for the 1998 GMC Sierra. The most recently reported issues are listed below.
Abs brake failure.
Abs failed, causing extended stopping distance. Contacted dealer and they replaced the abs front hubs.
When applying the brakes in a sudden stop, the middle lap seat belt did not lock, causing passenger to move forward near the dash area. Also, car seat in middle rear belt, doesn't lock, causing car seat to fall over, resulting in 2-year old hitting his head. Abs brakes fail, fad eon some stops, will not stop.