I have a 1998 4door 2wd Tracker. At low speeds I hear an ocassionally clunking noise and you can feel it on the front passenger floor board. It does it more when I hit bumps and it also made a similar noise when I put my knee on the front seat to lean over to the back seat. I thought that it was the shocks, but I don't know. I have rocked as hard as could but it didn't do it again. Does anybody know what could be causing this or what to check for?