Rear Axle - GMC 2003 Savana Van Owner's Manual

Rear Axle
When to Check Lubricant
Refer to the Maintenance Schedule to determine how
often to check the lubricant. See Part A: Scheduled
Maintenance Services on page 6-4.
How to Check Lubricant
If you have the 1500 Series, the proper level is from
5/8 inch (15 mm) to 1 5/8 inch (40 mm) below the
bottom of the filler plug hole. The proper level for the
2500 and 3500 Series is from 0 to 1/4 (6 mm) below the
bottom of the filler plug hole. Add only enough fluid to
reach the proper level.
What to Use
Refer to the Maintenance Schedule to determine what
kind of lubricant to use. See Part D: Recommended
Fluids and Lubricants on page 6- 17.
To get an accurate reading, the vehicle should be on a
level surface.
5-50