C
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 “Engine
Overheating”
in
the Index.
The proper coolant for your Cadillac
will:
Give freezing protection down to
-34’F
(-37OC).
0
Give boiling protection
up
to 262’F (128OC).
Protect against rust
and
corrosion.
Help keep the proper engine temperature.
0
Let the warning lights work as they should.
What
to
Use
Use a mixture of one-half
clean
water
(preferably distilled) and one-half
antifreeze that meets
“GM
Specification
1825M,”
which
won’t
damage
aluminum parts. You can also use
a
recycled coolant conforming to
GM
Specification
1825M
with
a complete coolant
flush
and refill. Use
GM
Engine Coolant Supplement (sealer)
with
any complete coolant flush and
refill. If you use this
mixture,
you don’t need to add anything else.
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