1996 GMC Savana Van Owner's Manual - Page 247

Adding Coolant If you need more coolant, add the proper mix ut the coolcrnt mcoveq*t m k . A CAUTION: You can be burnedif' you spill coolanton hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts are hot enough. Don't spill coolant on a hot engine. A CAUTION: Tbrning the radiator pressure cap when the engine and radiator are hot can allow steam and scalding liquids to blow out and burn you badly. With the coolant recovery tank, you will almost never have to add coolant at the radiator. Never turn the radiator pressure cap even a little when the engine and radiator are hot. Radiator Pressure Cap The radiator pressure cap nust be tightly installed with the arrows on the cap lined up with the overflow tube on the radiator filler neck. -- -- NOTICE: Add coolant mix at the recovery tank. but be careful n o t to spill it. Your radiator cap is a pressure-type cap and must be tightly installed to prevent coolant loss and possible engine damage from overheating. Be sure the arrows the cap line up with the on overflow tubeon the radiator fillerneck. 6-23