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Rear axle, When to check and change lubricant, How to check lubricant – GMC 2001 Envoy User Manual

Page 329: What to use, Four-wheel drive, Transfer case, When to check lubricant, Four, Wheel drive

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Rear 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’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.

Four

-

Wheel Drive

Most lubricant checks in this section also apply to
four

-

wheel

-

drive vehicles. However, they have

two additional systems that need lubrication.

Transfer Case

When to Check Lubricant

Refer to the Maintenance Schedule to determine how
often to check the lubricant. See “Periodic Maintenance
Inspections” in the Index.