All-Wheel Drive - GMC 2007 Savana Van Owner's Manual

All-Wheel Drive

Lubricant checks in this section also apply to
these vehicles. However, there are 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 Scheduled
Maintenance (Gasoline Engine) on page 399.
How to Check Lubricant
To get an accurate reading, the vehicle should be
on a level surface.
330
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. 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 409.