Chevrolet 1994 Lumina Owner's Manual page 148

Problems on the Road
How to Add Coolant to the
Radiator:
(CONT.)
4. Fill the radiator with the proper mix,
up to the base of the filler neck.
If you see a stream of coolant coming
from an air bleed valve, close the
valve. Otherwise, close the valve(s)
after the radiator is filled.
5. Rinse or wipe any spilled coolant
from the engine and compartment.
6. Then fill the coolant recovery tank to
the "COLD" mark.
7. Put the cap back on the coolant
recovery tank, but leave the radiator
pressure cap off.
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