Hello Whippersnapper, I want to change out my 5 speed auto tranny filter and gasket and replace the proper amoun of Synthetic ATF after I drop the pan and clean, R&R Gasket and Filter and O Ring, Some say 4 qts ,some say 4.5 qts, Have you done and how much do I refill with w/o going to a staealership ? Please Advise,