To change the front differential fluid, you will need:
- A new differential fluid (check your owner's manual for the recommended type and amount)
- A drain pan
- A wrench
- A funnel
- A pair of gloves
Step 2: Prepare the Vehicle
- Park the vehicle on a level surface.
- Turn off the engine and allow it to cool down.
- Engage the parking brake.
- Craw beneath vehicle under the front end and locate the differential.
- Clean the drain plug and the fill plug.
Step 3: Drain the Differential Fluid
- Place the drain pan under the differential drain plug.
- Use the wrench to loosen and remove the drain plug.
- Allow the differential fluid to drain completely.
Step 4: Reinstall the Drain Plug
- Once all of the differential fluid has drained out, reinstall the drain plug.
- Tighten the drain plug until it is snug.
Step 5: Add the Fresh Fluid
- Use the funnel to add fresh differential fluid to the differential.
- Fill the differential until it reaches the proper level (check your owner's manual for the correct level).
Step 6: Check for Leaks
- Start the engine and let it run for a few minutes.
- Look for any leaks from the differential.
- If there are any leaks, tighten the drain plug and/or fill plug until the leaks stop.
Congratulations. You have successfully changed the front differential fluid in your 2001 Ford Explorer.