One problem related to radiator has been reported for the 1997 Oldsmobile Bravada. The most recently reported issues are listed below.
Temp gauge showed that enging was overheating. Followed procedures in owner's manual for overheating. Continued to overheat when driving longer distances. Took it to dealer who flushed out radiator/cooling system twice. 3rd time informed that coolant had turned to brown slush and entire radiator system needed replacing.