i have all of the bolts for the whole thing removed except for one in the front mount. i decided to take out the three bolt section that bolts directly into the front housing for the diff. i can't get it loose and i was wondering if there is a trick to removing it. the bolt is the bottom rear one.

please help quick if you can
Justin

 

Uhm, put some *** behind it?

No, no trick, just impact wrench or a breaker bar.
Just did this job myself about a week ago; I swore Id never do it agin, so I welded the new(used) mount reinforced with some 1/4" metal plates. I seriously see no reason why this part had to be made of rubber.