Topflite4 wrote:Any suggestions on how to remove the rear wiper arm/blade assembly on a 2008 Rogue? I can’t seem to get the old one off. I have removed the nut but the old arm will not budge, I have used WD40, I’ve tried pulling, prying, twisting and it will not move. I’m concerned that I may break the glass or motor assembly. Any information would be appreciated.

If where you are stuck is that you have remove the mounting nut and cannot remove the wiper arm I think you're in a common spot. In my area there are auto parts stores that loans tools for free and one of the common tools is a windshield wiper puller (you could also use a pitman arm puller or any other two leg puller I'd think):
http://www.amazon.com/gp/product/B00283 ... LLCH25WEV3
This will pop the arm off for you without a problem. Other things that people use are penetrating lube and heat (although you'd have to be careful with heat), and of course the obvious cut it off.
Just remember that whatever you do make sure to clean the threads properly and put some anti-seize on. I guess if you don't have the anti-seize you could skip it but next time you change the arm you'll need to go through the same thing.
Removal and Installation
REMOVAL
1. Operate the rear wiper to the auto stop position.
2. Remove the rear wiper arm cover.
3. Remove the rear wiper arm mounting nut.
4. Raise rear wiper arm, and remove wiper arm from the vehicle.
INSTALLATION
1. Clean wiper arm mount as shown in the figure to prevent nut
from being loosened.
2. Operate the rear wiper motor to the auto stop position.
3. Adjust the rear wiper blade position. Refer to WW-67, "Adjustment".
4. Install the rear wiper arm by tightening the mounting nut.
5. Inject the washer fluid.
6. Operate the rear wiper to the auto stop position.
7. Check that the rear wiper blades stop at the specified position.
8. Install the rear wiper arm cover.
REAR WIPER BLADE POSITION ADJUSTMENT
Clearance between the end of back door glass and the top of wiper blade center.
L : 28.0 ± 7.5 mm (1.102 ± 0.295 in)
(L=distance between the far left edge of the wiper blade and the bottom of the glass)