That vibration dampener thing is loose on my car. I can wiggle it all around. It moves freely on the upper part where the bracket bolts go through the front of the rear end and part of the IRS frame.. It clunks loud when I shift or let off the gas. Sounds like I have a bowling ball rolling around in the trunk. I see I can take off the weight at the bottom with its two bolts but the bracket it is bolted to will still be loose. Is it ok to take that off? How do I get this off. I have no idea why its loose. Maybe the rubber bushings are bad or the previous owner had some rear end work done and didn't get it tight. I tried to tighten it but the top nuts spin and I cant reach them. Sold my 03 in 09 and have only had this 04 car a few days.