1997 Pontiac Grand Prix Owner's Manual - Page 254
1997 Pontiac Grand Prix Manual
Page 254 highlights
How to Add Coolant to the Radiator NOTICE: Your enginehas a specific radiator fill procedure. Failure to follow this procedure could cause your engine to overheat be severely damaged. and hose, is no longer hot.Turn the pressure cap slowly counterclockwise until it first stops, (Don'tpress down while turning the pressurecap.) If you hear a hiss, wait for thatto stop. A hiss means there is still some pressureleft. 2. Then keep turning the pressure cap, but now push down as you turn it. Remove the pressurecap. 1. You can remove the pressure capwhen the cooling system, including the pressure cap and upper radiator 5-20
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 |
 |
How
to
Add
Coolant
to
the
Radiator
NOTICE:
Your
engine
has
a
specific
radiator
fill
procedure.
Failure to
follow
this procedure
could
cause
your
engine
to
overheat
and
be
severely
damaged.
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 pressureleft.
2.
Then keep turning
the
pressure
cap,
but now push
down
as
you turn it. Remove the
pressure
cap.
1.
You can remove the
pressure
cap when the cooling
system, including the pressure
cap
and
upper radiator
5-20