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I have a 2011 AWD 3.5L EDGE and i'm planning on changing the transmission fluid, when I looked for the draining place I found 2 bolts that look the same Which one is it? Or are they both used?And after draining how much fluid should I put in?These are pictures that show the boltshttp://s13.postimg.o...1111_191543.jpghttp://s21.postimg.o...1111_191556.jpg

It is a 2011 AWD 3.5L Edge

Hi this is my first topic hear and I apologize in advance if this isn't the right place for it I have a 3.5L EDGE and i'm planning on changing the transmission fluid, when I looked for the draining place I found 2 bolts that look the same Which one is it? Or are they both used? And after draining how much fluid should I put in? These are pictures that show the bolts http://s13.postimg.org/coqtcp0k7/20131111_191543.jpg http://s21.postimg.org/hkucnjmxj/20131111_191556.jpg And sorry again for if it's not the right place