... Rent or find a shop with a T-Tech transmission fluid recycling machine and "Power Purge" the grime out of your tranny in about 20 minutes. I basically attaches to your transmision lines draws out the old fluid while leaving behind the new. Flushed 18 quarts through my tranny today, understand that is not the total left behind, but what was used to power off the grime and leave behind only fresh fluid.