2003 Ford Expedition Fuel Pump Driver Module. The aluminum base is very susceptible to corrosion being mounted against steel. Loosen the bolts and drop the tank slowly.

Keeping an open ear can save you from getting stuck somewhere with a bad fuel pump. My truck's a 2008, 4.6l, with 117,000 miles that i bought used 2 years ago. The truck always ran fine with no symptoms until we were a few miles from our destination for the weekend, 300 miles from home.