I put energy suspension upper control arm bushings in my auto and now everytime i release or hit gass clunk clunk and god forbid i use cruise control. I believe the poly stiff bushings have brought out a hidden issue. Either dried up slip yolks in driveshaft or play in the pinion. I just...
I found a neat trick is to use soft rubber malet with car on ground tap the components until you hear an audible clunk. Mine was the sway bar bushings in the middle.