not so much an answr but direction. I believe it is the same as the 2003 so look at the answer for the 2003 expedition.
The 2004 Ford expedition cabin air filter is located behind the dashboard, on the passenger side. The air filter should be labeled as such.
Fuel Filter Location The fuel filter is located along the frame rail under the vehicle and is accessible only from underneath the vehicle.
replace air filter on a 2004 Honda civic
According to the 2004 Ford Expedition Owner Guide : Both the 4.6 and the 5.4 take the ( Motorcraft FL-820-S ) engine oil filter
http://www.ford-trucks.com/forums/467008-how-to-replace-your-fuel-filter-on-a-2004-and-newer-f150.html?highlight=fuel+filter There is a great tutorial on it. MAKE SURE YOU DO NOT BREAK THE BLUE CLIP ON THE END OF THE FILTER CONNECTOR. I did, and it's going to be a pain to get it!
Where is the fuel filter located on a Renault clio 2004 1500dci
where is the external transmission filter located on a 2004 Hyundai elantra
My 2004 Nissan Titan has no fuel filter.
6 quarts ( 5.7 liters ) with filter change - 4.6 L and 5.4 L engines in the 2004 Ford Expedition
The 2004 Ford Expedition owners manual shows ( 6 quarts ) WITH FILTER CHANGE
replace air condicioner filter
Replace the spark plugs and the spark plug wires. Replace the air filter. Replace the oil and oil filter. Replace the fuel filter.