This video will show the proper removal of the left fan and cables, forward to 2:00
first part of the video is removing the right side fan.
Here is an additional video showing how to remove the cables for both the left and right fans. At time 2:00 in the video he starts to work on the left fan. This video will help prevent you from attempting to detach the cables incorrectly.
i used a pry tool i had left over from replacing the screen on my iphone, any flat stiff item, like a credit card would work. watch the youtube video linked above, http://www.youtube.com/watch?v=jUonF9OSv..., skip ahead in the video to 4:57 where you see her use a pry tool. I had no problem separating and reassembling this section. Only issue i had was the two screws in the battery area. Only one of them would grab, so I left the other one out.