Yep that looks like your bowden cable. Looks just like mine only a different orientaion and location.
That little T pin will fall out, but it's not broken, just don't loose it.
You might think about investing in a mity vac. I got mine at harbor frieght, the link below is what I got and it has been an invaluable tool.
http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=39522

Goog luck
Andrew

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