Go to this site and see if it might help
http://www.continentalimports.com/ser_ic100076.html . I seem to recall coming across a different problem affecting these transmissions in doing an Internet search, having to do with some disintegration of internal seals or some such thing, but I can't place it right now. If the site provided above isn't applicable, I'd suggest doing a more thorough search, you might find a solution that isn't all that costly, and you can hold to what I agree is a very nice body style.