1998 Pontiac Sunfire Owner's Manual - Page 228

NOTICE: I Engine damagefrom running your engine without coolant isn't covered your warrant by If there seems to be no leak, with the engine on, see if the electric engine cooling fan is running. engine is overheating, the fan should be isn't, your vehicle needs service. How to Add Coolant to the Surge Tank If you haven't found a problem yet, but the coolant level isn't atthe FULL COLD mark, add a 50/50 mixture of clean water (preferably distilled) and DEX-COOL? coolant at the coolant surge tank, but be sure the cooling system, including the coolant surge tank pressure cdp, is cool before you do it. (See "Engine Coolant" in the' Index for more information.) Steam and scalding liquids b system can blow out and are under pressure, and if surge tank pressure cap can come out at high spee when the cooling system, surge tank pressure cap, cooling system and coola if cap to cool you everh pressure cap. -- 11 . 1 I . . ,