GMC C-Series 2001 User Manual

5-25
How to Add Coolant to the Radiator
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.)
If you hear a hiss, wait for that to stop. A hiss means
there is still some pressure left.
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
proper DEX
-COOL
R
coolant mixture, up to
the base of the filler
neck. See “Engine
Coolant” in the Index
for more information
about the proper
coolant mixture.

GMC C-Series 2001 Specifications

General

Brand	GMC
Model	C-Series 2001
Category	Automobile
Language	English