So I have only had my 04 LLY for a couple of months and I dont know what fluids are in the tranny....it still looks and smells good but i changed out the spin filter and lost just a little fluid...I plan on doing this again @ the next oil change and I will need to add some fluid back in but I have no idea whats in there now....it has 140,000 mi btw....any idea what I should stick back I prob wont change all the fluid till next year