2003 Chevrolet Corvette Owner's Manual - Page 263
2003 Chevrolet Corvette Manual
Page 263 highlights
4. With the coolant surge tank pressure cap off, start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fan(s). 5. Then replace the pressure cap. Be sure the pressure cap is hand-tight and fully seated. 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. 5-34
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4.
With the coolant surge tank pressure cap
off,
start
the engine and let it run until you can feel the
upper
radiator hose getting hot.
Watch
out
for the
engine cooling fan(s).
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.
5.
Then replace the pressure
cap.
Be
sure
the
pressure cap is hand-tight
and
fully
seated.
5-34