Has anyone solved there problem? I am new to FRF and have recently bought a 92 ranger. I have the same leak as Saithin. When I drive the truck it seems like it is leaking out and then can park it and after it sits and cools for a while it stops dripping. Seems to only leak when it is drivin.
The plate (transmission access?) on the bottom is missing and is open.
I cannot tell where it is leaking because by the time i park it has covered the bottom. Whipe it off and still hard to tell.
Is this a bad seal or gasket somewhere?

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1992 Ford Ranger, Reg. Cab 2WD
4 cyl, 2.3L, 5 spd. w/ A/C
126,000 miles.