1994 Chevrolet Cavalier Owner's Manual - Page 144

II R 8. Then replace the pressure cap. At anj time duringthis procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap. Be sure the arrows on pressure cap line up like this. How to Add Coolant to the 3.7L V6 €ngine at the Coolant SurgeTank If you haven't found a problem yet,but the coolant levelisn't at or above the FULL COLD mark, add a 50/50 mixture of clean water (preferably distilled)and a proper antifreezeat thecoolant surge tank, but be sure the cooling system, including the coolant surgetank pressure cap, is cool before you it. (SeeCooZuni do in the Index for more information about the proper coolant mix.) NOTICE: In cold weather, water can freeze and crack the engine, radiator, heater core and other parts. So use the recommended coolant.