Rear end of car thumped every time you would go over the smallest separation in the road and also on a bumpy road. replaced rear end shocks. still have the same problem of thumping. some times it feels like i'm going to loose the rear end of the vehicle. i was told possibly now that back bushings holding the body to the frame may be disintegrated. vehicle has always been well maintained and garaged. i have found out that there have been many complaints about this occurring now with this 2001 model. you would think there would be a safety recall by ford to fix these bushing problems. *tr