Hate to say it. Sounds like the transmission will need service. My
previous van was a 1995 Windstar, bought it used,and the service on
the transmission was never done. Same thing happened to that one as in
yours. The clutches are slipping. 3200 dollars later it was repaired.
You can try to repalce the filter/fluid, but my guess it's too far for
that. The fluid is most likely reddish/brown right now. If you did
drop the pan, there is a magnet in the pan for very fine metal
shavings. The pan is probably loaded with them.
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