Chevrolet 1995 Monte Carlo Owner's Manual page 182

If you see
a stream of coolant coming from an air
bleed valve, close the valve. Otherwise, close the
valves after the radiator is filled.
5. Rinse or wipe any spilled coolant from the engine
and compartment.
I
6. Then fill the coolant recovery tank to the COLD
mask.
7. Put the cap back on the coolant recovery tank, but
leave the radiator pressure cap off.