Front Axle - GMC Envoy XL 2003 Owner's Manual

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.
How to Check Lubricant
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To get an accurate reading, the vehicle should be on a
level surface.
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 raise the level to the bottom of
to
the filler plug hole.
What to Use
Refer the Maintenance Schedule to determine whai
to
kind of lubricant to use. See Part
Fluids and Lubricants on page 6- 17.
D:
Recommended