Front Axle - GMC 1996 Sonoma Owner's Manual

How to Check Lubricant
I f 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 lubricant to use. See "Recommended Fluids and
Lubricants" in the Index.
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.
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