I have a (fast approaching) 90,000 mile Mondeo ST200 Estate (apparently has self adjusting shocks on the rear). The ride on the car is *rock* hard - and I mean **rock** hard. Going over even the slightest iffyness in the road causes wobbling. Going over cables that lie over the road (ala temp traffic lights - speed testing devices etc) can cause the car to "jump", occasionally resulting in what I describe as a 'bang' as the wheels come back to earth.
I've looked at the shocks myself following a garage's recomendation that they are fine - by bouncing the car. Whilst its very difficult to do this (presumably because of the uprated springs), the car does go down, then immeadiately return to its normal position - to me describing a relatively good shock. This is the same for all four corners.
What else given this (fairly limited) info could be the cause ?