The springs on the rear a relatively new lowered springs, 13 years old. I am not sure if it is the springs but maybe the shocks. They are the same age. There is a particular place where I drive frequently and there is a small depression in the road and if I don't miss it it feels like they have hit rock bottom. The other issue I think is that a 20-gallon fuel tank is located where the spare once resided. I am leaning more toward the need for new shocks. I had a chart showing that a shock-mounted verticle would cushion better. The shocks are angled toward each other more than they should be, I believe. If someone could post a picture of the stock shock location it would be a big help. Forget the pictures I googled and found a bunch. Dumb me!