For 1990-2009 cars only
When to Check and Change Lubricant
It is not necessary to regularly check front axle 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
To get an accurate reading, the vehicle should be on a level surface.
1500 Series
A: Fill Plug
B: Drain Plug
2500 Series
A: Fill Plug
B: Drain Plug
| • | When the differential is cold, add enough lubricant to raise the level from 0 (0 mm) to 1/8 inch (3.2 mm) below the filler plug hole. |
| • | When the differential is at operating temperature (warm), add enough lubricant to raise the level to the bottom of the filler plug hole. |
What to Use
Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Recommended Fluids and Lubricants.
