Cadillac 2006 SRX - Manual (Page 346)

All-Wheel Drive
All of the lubricant checks in this section apply to your
vehicle. If you have an all-wheel-drive vehicle, there
is an additional system that need lubrication.
Transfer Case
When to Check Lubricant
It is not necessary to regularly check the transfer case
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
A. Drain Plug B. Fill Plug
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,
located on the transfer case, you’ll need to add
some lubricant. Add enough lubricant to raise the level
to the bottom of the filler plug hole. Use care not to
overtighten the plug.
What to Use
Refer to the Maintenance Schedule to determine what
kind of lubricant to use. See Recommended Fluids
and Lubricants on page 6-12.
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