Three problems related to suspension have been reported for the 1998 Cadillac Deville. The most recently reported issues are listed below.
Car swings side ways in certain road conditions. Feels as though you will lose control of the car.
Vehicle experiencing erratic problem with severe vibration while driving; vehicle been in dealer shop on 3 occasions, and vibration still occurs. Can NHTSA provide additional information.
Consumer believes the suspension system is faulty which causes a rough ride while driving on highways with expansion joints. Nlm.