One problem related to brake grinding noise has been reported for the 1996 GMC Safari. The most recently reported issues are listed below.
Started vehicle in the garage and heard a clunking & grinding noise. Kept vehicle running, backed out of the garage, turned the wheel, and there was no steering. Went to apply brakes , and there were no brakes. Contacted dealer. . Vehicle lost power and brakes due to tension pulley was broke.