This article is from the Chrysler-Plymouth-Dodge FAQ, by Dr. David Zatz with numerous contributions by others.
email@example.com had a clunk in his Caravan in the front driver's
side; the dealer didn't find it, but he did. It was the bolt that tightens
around the ball joint pin. He had done a cv joint boot job and had not
tightened the bolt adequately. The ball joint pin would slip up and down
with braking, bumps, whatever. He tightened it up and the problem went