Front Axle; Engine Coolant - GMC 1998 Jimmy Owner's Manual

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Front Axle
When to Check and 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 may need to add some lubricant.
When the differential is cold, add enough lubricant to
raise the level to 1/2 inch (12 mm) below the filler
plug hole.
When the differential is
at
operating temperature
(warm), 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 lubricant to use. See "Recommended Fluids and
Lubricants" in the Index.
Engine Coolant
The cooling s stem in your vehicle is filled with
DEX-COOL engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240 000
k m )
whichever occurs first, if you add only
DEX-COOL' extended life coolant.
2
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.
6-23

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