Mar 15, 2016 · Joined Jan 4, 2015. 15,159 Posts. #2 · Mar 15, 2016. rortizjr19 said: Greetings, I have a 2013 Dodge Gran Caravan with the 3.6 liter v6 and with the 6 speed automatic transmission, it has approximately 57,000 miles. I did not realize that the Dodge owners website indicates that the transmission filter and fluid should be changed at 50,000 miles.. "/>2003 mustang gt transmission fluid capacity