1998 GMC Savana Van Owner's Manual - Page 264

Adding Coolant If you need more coolant, add the proper DEX-COOL@ coolant mixture at the coolant recovery tank. I e I. You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts arehot enough. Don't spill coolant a hot engine. on lbrning me radiator pressure cap when the engine and radiatorare hot can allow steam and scalding liquids to blow out and burn you badly. With the coolant recoverytank, you will almost never have add coolant at the radiator. to Never turn the radiator pressure cap even a little when the engine and radiatorare hot. Radiator Pressure Cap The radiator pressure cap must be tightly installed with the arrows on the cap lined up with the ovefflow tube on the radiator filler neck. -- -- NOTICE: Add coolant mixture at the recovery tank, but be careful not to spill it. Your radiator cap is a pressure-type cap and must be tightly installedto prevent coolant loss and possible enginedamage from overheating. Be sure the arrows on the cap line up with the overflow tube on the radiator filler neck. 6-24