I've seen the seal leak between the final drive and the A/T....but
you would see fluid around that area, not in the bell housing.
It's basically a great big o-ring.  Not hard to replace once the
tranny is out of the vehicle, just undue 4 bolts and separate the two
pieces...you could separate them in the vehicle if you loosened the
engine mounts and tranny and lowered the whole package about 12-14
inches (to clear front tranny mount), but easier with tranny on the
bench.

If you take the tranny out to do the torque converter seal, might
want to change the final drive to A/T seal at that time also, not too
expensive and they are usually hard and ready to crack if not
previous replaced.

Also the governor cover o-ring could leak...that one is easy to
change with the tranny still in the vehicle.

>I have an 85 auto tranny hooked to a Subie EJ 22 that is leaking very badly
>on hard climbs. Does not do it otherwise. At firt I thought is was the main
>seal on the engine or the oil seperator plate. Changed those and should have
>gone into the tranny but did not. On a hard climb(over passes in Vermont)
>where it really cranks hard, at the top it is leaking pretty bad.
>  I have never messed with going into the seals of an auto tranny. Can anyone
>tell me how difficult it is to remove the torque converter and get at and
>change the converter oil seal. Any other ideas as to what may be leaking in
>there. It is definitly tranny fluid coming out where bell housing meets the
>tranny. Any thoughts or experiences are surely appreciated before I do it
>the slow learn as you go way. Merv.