transfer case atp sensor stuck

[towncarblue]

i have a 2002 nissan pathfinder. i recently got a atp light . im trying to replace the sensor
that connects to the transfer case but its stripped and its also very tight spot.
here are some pics
http://i261.photobuc...0715_085408.jpg
http://i261.photobuc...0715_085441.jpg

as you can see im having a difficult time removing this sensor.
before i go and pay a mechanic how do it i would like to do it myself.......
there is a big bolt right under it and its stopping me from getting a good grip.
what happens if i remove this bolt ??
how do i take out this sensor ??
please help

[barnaclebob]

Your links dont work.

[towncarblue]

<a href="http://s261.photobucket.com/user/townca ... 1.jpg.html" target="_blank"><img src="http://i261.photobucket.com/albums/ii42 ... 085441.jpg" border="0" alt=" photo IMG_20160715_085441.jpg"/></a>

<a href="http://s261.photobucket.com/user/townca ... 8.jpg.html" target="_blank"><img src="http://i261.photobucket.com/albums/ii42 ... 085408.jpg" border="0" alt=" photo IMG_20160715_085408.jpg"/></a>

[towncarblue]

http://i261.photobucket.com/albums/ii42 ... 085408.jpg
http://i261.photobucket.com/albums/ii42 ... 085441.jpg