Took pictures but could not post.Will try to I D.
It is about 1/2" in Dia. and about 1" long. It is a rubber bellows with a thin wire coming out of one end and the other end is screwed into the back of the trans. on the drivers side. It is above the muffler bracket.The oil is leaking from the rubber thing. Is this an easy fix,and where does that wire go? It looks like the wire goes into a bundle of other wires.

Hi It sounds like your kick down selonoid,there is a oring seal you can replace,but I would check the selonoid housing to see if its cracked first,Joeym

I wish i could post a picture! If someone has a picture of this selonide,please post it and i will I D it.

M_B_Trans._004-1.jpg
Hope this works.

It's that little bellows thing.

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I forgot what it is. But I have taken it out before when I removed my tranny 2 years ago. Its probably a speed sensor, nuetral safety switch, reverse light switch but who cares just take it out and find out whats leaking o ring etc.

John Roncallo

What concerns me most is the wire and will trany. fluid leak out.