1996 Pontiac Sunfire Owner's Manual - Page 208
1996 Pontiac Sunfire Manual
Page 208 highlights
Then keep turning the pressure cap slowly, and remove it. 1. You can remove the coolant surge tank pressure cap when the cooling system, including the coolant surge tank pressure cap and upper radiator hose, is no longer hot.Turn the pressure capslowly about one-quarter turn to the leftand then stop. If you hear ahiss, wait for thatto stop. A hiss means there is still some pressure left. 5-19
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 |
 |
1.
You
can
remove
the
coolant
surge
tank
pressure
cap
when
the
cooling
system,
including
the
coolant
surge
tank
pressure cap and
upper
radiator
hose,
is
no
longer
hot.
Turn
the
pressure
capslowly about
one-quarter
turn
to
the
left
and
then
stop.
If
you
hear
a
hiss,
wait
for
that
to
stop.
A
hiss
means
there
is
still
some
pressure left.
Then
keep
turning
the
pressure
cap
slowly,
and
remove
it.
5-19