1998 Chevrolet Astro Owner's Manual - Page 290

Adding Coolant If you need more coolant, add the proper DEX-COOL@ coolant mixture at the coolant recovery tank. A CAUTION: You can be burnedif you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts arehot enough. Don't spillcoolant on a hot engine. A CAUTION: lhrning the radiator pressure cap when the engine and radiator are hot can steam and allow scalding liquids to blow out and burn badly. you With the coolant recovery tank, will almost you never haveto add coolant at the radiator. Never turn the radiator pressure capeven a little when the engine and radiator are hot. Radiator Pressure Cap NOTICE: Your radiator cap is a 15 psi (105 kPa) pressure-type cap and must tightly installed to be prevent coolantloss and possible engine damage from overheating.Be sure the arrows the cap on line up with the overflow tube on the radiator filler neck. -- -- Add coolant mixture at the recovery tank, but be careful not to spill it. 6-28