mine leak like a mofo how do i go about gettin er out does not appear that i can replace it from the outside

already found this but it don't really help
http://raceabilene.com/kelly/hotrod/images/trans/c6exp.gif

okay here's how you do it
you have to drop the pan and undo rooster gear and pull shaftout and then you will be able to replace seal

got it taken apart and decided to check the clutches good thing i did found one that was messed beyond recognition