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Service and Appearance Care
Four- Wheel Drive
Most lubricant checks in this section also
apply to four-wheel-drive vehicles.
However, they have two additional
systems that need lubricatiog.
Transfer Case
When to Check qnd Change Lubricant
Refer to the Maintenance Schedule to
determine how often to check the
lubricant and when to change it. See
"Scheduled Maintenance Services" in the
Index.
How to Check Lubricant
If the level is below the bottom of the
filler plug hole, you'll need to add some
lubricant. Add enough lubricant to raise
the level to the bottom of the filler plug
hole.
What to Use
Refer to the Maintenance Schedule to
determine what kind of lybricant to use.
See "Recommended Fluids and
Lubricants" in the Index.
Front Axle
When to Check and Change Lubricant
Refer to the Maintenance Schedule to
a
determine how often to check the
lubricant and when to change it. See
"Periodic Maintenance Inspections" and
"Scheduled Maintenance Services" in the
Index.
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
-20°F (-29"C), or -34°F (-37°C) in
Canada and for vehicles with the cold
climate option.
Give boiling protection up to 258°F
(125°C).
Protect against rust and corrosion.
Help keep the proper engine
temperature.
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
6038-M," which won't damage aluminum
parts. You can also use a recycled coolant
conforming to "GM Specification
6038-M" with a complete coolant flush
. .
.I70
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