CDN_S4,
I know that you talked about the rattle in the right rear somewhere in this thread. But what exactly was loose on he rear suspension? I have that same rattle when I go over bumps when off road, rattles drive me crazy. I also have a thud in the rear sometimes which I think if a rear diff issue, Just haven't got into that yet. When you changed all the gear oil in the rear, did it improve the "smoothness". Just trying to steal all your knowledge before I go down the wrong road, and do it the hard way.