Sounds like a servo cover leak, but I've never seen that transmission so cannot say for sure.

If so, it may be possible to change the cover seal with the tranny in the car.

Peter

__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!