Service
&
Appearance Care
How
to Check Lubricant:
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
(12
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 Geo will:
Give freezing protection down to
Give boiling protection up to 258°F
Protect against rust and corrosion.
Help keep the proper engine
Let
the
warning lights work as
they
-34°F (-37°C).
(125°C).
temperature.
should.
What to Use:
Use a mixture of one-half
clean water
(preferably distilled) and one-half
antifreeze or approved recycled coolant
that meets “GM Specification 6038M,”
which won’t damage aluminum parts.
Also use GM Engine Coolant
Supplement (sealer) with a complete
coolant change. If you use these, you
don’t need to add anything else.
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