Read my howto and you will see exactly what is needed and what is involved. The only difference is you need more oil then I since I have the 1.6L. Other then that it's exactly the same, even the oil filter is the same.
I say do it yourself
.
http://www.nissanversaforums.com/showthread.php?t=1122
I say do it yourself
http://www.nissanversaforums.com/showthread.php?t=1122