1993 Chevrolet Corvette Owner's Manual - Page 217
1993 Chevrolet Corvette Manual
Page 217 highlights
rroblems on the Koad Engine Overheating (COW.) How to Add Coolant to the Coolant Recovery Tank If you haven't found a problem yet,but or the coolant level isn't at above COLD, add a 50/50 mixture of clean water (preferably distilled)and a proper antifreeze atthe coolant recoverytank. (See the Index under Coolant for more information aboutthe proper coolant mix.) A Heater adradiator hoses, '..and oiher enginelparts, can .be.very-hot. Don't touch them you do, you canbe burned. Don't run the engine if there is a leak. If you run the engine,.itcould lose all coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before you drivethe vehicle...If If there seems to be no leak, check to see if the electric enginefans are running. If the engine is overheating, both fans should be running.If they aren't,your vehicle needs service. 216