1995 Chevrolet Corvette Owner's Manual - Page 210

The coolant level should be at or above COLD. If it isn't, you mayhave a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. How to Add Coolant to theCoolant Recovery Tank If you haven't found a problem yet, but the ,coo,lantlevel isn't at or above the COLD mark, add a 50MI mixture of clean water (preferably distilled) and a proper antifreeze at the coolant recovery tank. (%e "Engine Coolant" in the Index for more information about the proper coolant mix.) NOTICE: Engine damage from running your engine without coolant isn't covered by your warranty. If there seems to be no leak, with the engine on check to see if the electric engine fan(s) arerunning. If the engine is overheating, both fan(s) should be running. If they aren't, your vehicle needs service. 5-17