Rear Axle
When to Check Lubricant
It is not necessary to regularly check rear axle fluid unless you suspect there is a leak or you hear an unusual noise. A fluid loss could indicate a problem. Have it inspected and repaired.
How to Check Lubricant

To get an accurate reading, the vehicle should be on a level surface.
The proper level is from 0 to 3/8 inch (0 to 10 mm) below the bottom of the filler plug hole, located on the rear axle.
What to Use
To determine what kind of lubricant to use.
See also:
Tire Pressure Monitor Operation
This vehicle may have a Tire Pressure Monitor System
(TPMS). The TPMS is designed to warn the driver
when a low tire pressure condition exists. TPMS sensors
are mounted onto each tire and wheel ...
Accessory Inflator
Your vehicle has an accessory inflator system. It
can also inflate things like basketballs and
bicycle tires. It can also used to inflate the tires to
the proper tire pressure. It is not designed t ...
Repair Facility
GM also recommends that you choose a collision repair facility that meets your
needs before you ever need collision repairs. Your dealer may have a collision repair
center with GM-trained technici ...
