Rear Axle - Chevrolet Silverado 4500HD 2022 Owner's Manual

How to Check Lubricant
To get an accurate reading, the vehicle
should be on a level surface.
The fluid level should be even with the
bottom of the fill plug hole. Add only
enough fluid to reach the proper level.
What to Use
See Recommended Fluids and Lubricants
0 363 to determine what kind of lubricant
to use.

Rear Axle

When to Check Lubricant
It is not necessary to regularly check rear
axle fluid unless a leak is suspected or an
unusual noise is heard. A fluid loss could
indicate a problem. Have it inspected and
repaired.
All axle assemblies are filled by volume of
fluid during production. They are not filled
to reach a certain level. When checking the
fluid level on any axle, variations in the
readings can be caused by factory fill
differences between the minimum and the
maximum fluid volume. Also, if a vehicle has
just been driven before checking the fluid
level, it may appear lower than normal
because fluid has traveled out along the axle
tubes and has not drained back to the sump
area. Therefore, a reading taken five minutes
after the vehicle has been driven will appear
to have a lower fluid level than a vehicle
that has been stationary for an hour or two.
The rear axle assembly must be supported
on a flat, level surface to get a true reading.
Vehicle Care
How to Check Lubricant
To get an accurate reading, the vehicle
should be on a level surface.
The fluid level should be even with the
bottom of the fill plug hole, located on the
rear axle. Add only enough fluid to reach
the proper level.
What to Use
See Recommended Fluids and Lubricants
0 363 to determine what kind of lubricant
to use.
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