Chevrolet 2000 Corvette Owner's Manual page 247

4. With the coolant surge tank pressure cap off, start 5. Then replace the pressure cap. Be sure the pressure
-
the engine and let it run until you can feel the upper cap is hand tight.
radiator hose getting hot. Watch out for the engine
cooling fans.
By this time, the coolant level inside the coolant
surge tank may be lower. If the level is lower, add
more of the proper mixture to the coolant surge tank
until the level reaches the FULL COLD mark on the
coolant surge tank.
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