I had my boat out this week (2000 Supra Launch DD) and it was leaking some serious transmission fluid. We were at the lake for the week and I went through 1.5 quarts of fluid. I checked it regularly as to avoid running too low and I did not notice any slipping. I replaced the cooler before vacation as I was only losing a little fluid and did not notice it the bilge -I was hoping this was the problem but after this week I realize it was not this issue. Now there is a lot in the bilge. I am thinking it is the front seal between the motor and the tranny. After reading up on this it sounds like there may be an issue with the pump which is causing the leaking seal. At this point I am not sure if I should replace the seals or have the tranny rebuilt.

Any advice would be appreciated.