[bstiger]

I can get a wrench on the nut but everything is turning under belt tension! What can I do!

 

[jakeorders]

bstiger, what i did with mine is set the wrench on the nut from the top and smack it with a decent size hammer. Goodluck!

 

[Grit dog]

You have the whole cooling stack out of the way, correct?
Hit it with an air impact.