I have a 2004 V6 Accord - I need to flush the transmission fluid in it. Does this model also have a transmission filter? I know some do and some don't.... thanks!

Also, how many quarts of fluid are needed to change it out?

 

Just a point of reference, when you say "flush", that typically means a "machine flush". There is no serviceable filter for your transmission. To perform a fluid replacement, you will do what is commonly referred to as a "3x3", where you drain the ATF, refill with about 3 quarts, drive a few miles, drain/refill a second time, drive a few miles, and drain/refill again.