Pontiac 2002 Grand Prix Owner's Manual page 246

Thermostat Housing
(3800 V6)
5-22
3800 V6 engine: There
is one bleed valve.
It is located on the
thermostat housing.
5. Fill the radiator with the proper DEX
coolant mixture, up to the base of the filler neck. See
"Engine Coolant" in the Index for more information
about the proper coolant mixture.
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.
R
-
COOL