The only "clunk" I experienced was sway bar link hitting spring on front strut at times. I cured it with sway bar drop spacers which repositioned bar away from strut assembly. This may not be what you are referencing....but hey :beer:
As a former master tech, I have used sea foam in the crankcase with no negative issues. Generally I would add a can to gas tank and a second can to the crankcase. Adding to crankcase generally was done about a hundred miles before oil change, it really cleaned it out. Also years ago on older...
5 new Cooper AT3 tires mounted/balanced with TPS sensors on Jeep wheels; fit WK2 Grand Cherokee and Wranglers. DRIVEN only 500 miles!
To big and heavy to ship, but will sell at a loss for $649.95 for all 5.