Owner's Manual

Engine Coolant
The following explains your cooling
system and how to add coolant when it
is low. If you have a problem with
engine overheating, see the
Index under
Engine Overheating.
The proper coolant for your Pontiac
will:
Give freezing protection down to
Give boiling protection up to 262°F
Protect against rust and corrosion.
Help keep the proper engine
-34°F (-37°C).
(128°C).
temperature.
Let the warning
should.
lights work
as they
What to Use:
Use a mixture of one-half clean water
(preferably distilled) and one-half
antifreeze that meets
“GM Specification
1825-M,” which won’t damage
aluminum parts. You can
also use a
recycled coolant conforming to GM
Specification 1825-M with a complete
coolant flush and refill. If you use this
mixture, you don’t need to add anything
else.
CAUTION
I
A Adding only plain water ta
L pur cooling system can be
dangerous. Plain water, or some
other liquid like alcohol, can boil
bebe the proper coolant mix will.
system is set for the proper coolant
mix. With plain water or the
wrong mix, your engine could get
too hot but you wouldn’t get the
overheat warning, Your engine
could catch fire and you or others
could be burned. Use a 50/50 mix
of clean water and a proper
antifreeze.
Your v&hicle’s coolant warning
221 .