When to Check Lubricant
Refer to the Maintenance Schedule to determine how often to check the lubricant. See Part A: Scheduled Maintenance Services .
How to Check Lubricant
1500 Series Shown, 2500 Series Similar
To get an accurate reading, the vehicle should be on a level surface.
The proper level for the 1500 Series is from 5/8 inch to 1 5/8 inch (15 mm to 40 mm) below the bottom of the filler plug hole. The proper level for the 1500 HD Series, 2500 Series, 2500 HD, and 3500 Series is from 0 to 1/2 inch (0 to 13 mm) below the bottom of the filler plug hole. The proper level for the 1500 and 2500 Series vehicles with QUADRASTEER (4 Wheel Steer) is from 0 to 1/4 inch (0 to 6 mm) below 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 .
