have a 91 yj. I have this annoying rattle. it sounds like its in the front end somewhere. more promininant on the right side of the jeep. it sounds like a shock. the sound happens when i go over a man hole cover or a road with pot holes in it. possibly in between the fire wall and the inside cab? kind of a metal to metal sound. I am chasing my tail. several people have looked at it and we cant figure this out.i have replaced my shocks, ball joints,leaf springs, bushings in springs and shackels. removed sway bars, disconnected my disconnects, tie rod ends. iv'e also inspected every mount and checked for cracks.very annoying,turning up the radio is the only thing that seems to help. does anyone have any suggestions? sounds and runs great on a smooth road. thinking about taking it to the jeep dealer, thay have one of those microphone things they hook up to locate the sound,wonder how much that will cost?