Pontiac 1993 Trans Sport Owner's Manual page 201

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Problems on the Road
. . I
A
Steam and scalding liquids
from a hot cooling system can
blow out and burn you badly. They
are under pressure,
and
if you turn
the radiator pressure cap-even a
little-they can come out at high
speed. Never turn the cap when
the cooling system, including the
radiator pressure cap, is hot. Wait
for the cooling system and radiator
pressure cap to cool if you ever
have to turn the pressure cap.
00
Iow to Add Coolant to the Radiator:
I
.
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 to the left
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.

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Trans sport 1993

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