Most lubricant checks in this section also apply to four-wheel-drive vehicles. However, they have two additional systems that need lubrication.
Transfer Case
When to Check and Change Lubricant
Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See Part A: Scheduled Maintenance Services .
How to Check Lubricant
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, you'll need to add some lubricant. 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 Part D: Recommended Fluids and Lubricants .
Front Axle
When to Check and Change Lubricant
Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See Part C: Periodic Maintenance Inspections and Part A: Scheduled Maintenance Services .
How to Check Lubricant
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, you may need to add some lubricant.
- Remove the filler plug.
- Remove the drain plug, drain the lubricant and reinstall the drain plug.
- When the differential is cold, add enough lubricant to raise the level to 1/2 inch (12 mm) below the filler plug hole.
- Reinstall the filler plug.
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 Part D: Recommended Fluids and Lubricants .
