I have a oil leak on the passenger side of the my 2000 F150 5.4 Triton. And I have looked and looked, and can't determine what is is coming from, I've cleaned alot of stuff and still trying to locate it. So, we came home from a football game and seen alot of oil had leaked on the concrete from my truck that had been sitting for a day or so... So I started doing late night checking, my oil was decent, and my coolant was only a 1/4 full, so started searching around underneath the truck and oil was all underside of the frame so I looked up and all I can acctually see was on the back side of a flap up under it, and a black metal piece that had a leak spot as well...

please help I have NOT A CLUE where it is coming from

 

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