My drivers side has a spring laying in the bottom. It looks like the little clip the spring hooks to has rusted and the spring pulled through. Ive not taken it off, just looked at it with a flash light. Very annoying since it shakes going down the road.
1994 ZJ-I6 w/216,000 mi
1998 ZJ 5.9 w/65,155 mi Slate Black
2004 KJ w/90,300 mi