From Search:
AT Fluid Change Nightmare
Cliff Notes: Horrible Dealer, not problem with tranny. Fluid change done.
Transmission problem (?) after a transmission fluid change
Cliff Notes: Bad Dealer, system most likely not filled correctly.
7AT fluid change
Cliff Notes: Successful Tranny Change
His Fluid (Upside Down):
As with most other things, it seems to be
possible, but based on the procedure done. If done properly, no problems. If improperly done, you'll hate life.