Chevrolet B7 2001 Owner's Manual page 101

How to Add Coolant to the Radiator
If you hear a hiss, wait for that to stop. A hiss means
there is still some pressure left.
1. You can remove the
radiator pressure cap
when the cooling
system, including the
radiator pressure cap
and upper radiator hose,
is no longer hot. Turn
the pressure cap slowly
counterclockwise until it
first stops. (Don't press
down while turning the
pressure cap.)
4. Then fill the coolant recovery tank to one
2. Then keep turning
the pressure cap, but
now push down as
you turn it. Remove
the pressure cap.
3. Fill the radiator with the
R
-
proper DEX COOL
coolant mixture, up to
the base of the filler
neck. See "Engine
Coolant" in the Index
for more information
about the proper
coolant mixture.
-
half full.
3-21