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How
to
Check
Lubricant
P
If
the level
is
below the bottom
of
the filler plug hole, you’ll need to add
some lubricant.
If the differential is at operating temperature (warm), add enough lubricant
to
raise the level to the bottom of the filler
plug
hole.
If
the differential is cold, add enough lubricant to raise the level to 1/2 inch
(I
2
mm)
below the filler plug
hole.
What
to
Use
Refer to the Maintenance Schedule
to
determine what kind of lubricant
to
use. See “Recommended Fluids and Lubricants”
in
the Index.
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 vehicle will:
Give freezing protection down to
-34°F
(-37°C).
Give boiling protection
up
to
262°F
(128°C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning lights and gages work
as
they should.
What
to
Use
Use a mixture
of
one-half
chi?
wcmr
(preferably distilled) and one-half
antifreeze that meets
“GM
Specification
6038-M,”
which won’t damage
aluminum parts.
You
can
also
use a recycled coolant conforming
to
“GM
6-33