Where is the fuel filter on 2005 Ford Expedition 5.4L 4x4 and does it require special tools as rumored?

The fuel filter on a 2005 Ford Expedition 5.4L 4x4 is located under the driver's seat, near the fuel tank. It is usually under the vehicle or accessed from the trunk/cargo area, but in the Expedition it’s under the driver's seat, accessible from the inside.

While it is possible to replace the fuel filter without special tools, it is recommended that you use a fuel line disconnect tool to avoid damaging the fuel lines. To replace the fuel filter, follow these steps:

1. Locate the fuel filter. The fuel filter is located under the driver's seat, near the fuel tank.

2. Disconnect the fuel lines from both ends of the filter using the fuel line disconnect tool.

3. Remove the fuel filter from the vehicle.

4. Install the new fuel filter.

5. Re-connect the fuel lines.

6. Inspect the fuel lines for any leaks.