Hmmm, this is funny because while watching my in car road course videos awhile back I could hear a sound a couple times sounding like its comming from the rear, like a very fast banging/rattle. I've never heard it while actually driving just in the vids so I never gave it much thought, but it just hit me I bet this is the noise. lol

 

Thanks for the pic's. Now I know where to put to the goop.
Thanks, Again!