go figure it out or get a life
Check the sway bar links and bushings
there should be a rear sway bar
When the sway bar try's to do it's job without the bushings then it will come in contact with the body of the car and will be an confortable ride that could causes more problems in the future.
Custom sway bars can be bought that fit on Dodge Caravans. There is also an option to make a sway bar that will fit on the Caravan.
salvage yard
Low air pressure in one or both rear tires, a sway bar or sway bar link is broken.
It has a sway bar in the front and in the rear. It has a connecting link at each end of each sway bar = 4 total
Rear sway bar
Sway bar bushings
I am guessing the rear anti-sway bar? Spoiler
How do you install a rear sway bar on a 2003 f 150 4 wheel drive
http://forum.chryslerminivan.net/ This forum has lots of info pertaining to the Dodge/Chrysler vans.