This will get worse, the tire will hit the fender(front and rear), that control arm will not stay straight, control will decrease with progressing speed, the strut mount will wear rapidly, the control arm will gain movement in and out to add to front and back with up and down( all 3 planes possible for movement) theClick to see full answer. Likewise, people ask, can I drive with bad control arms?Control arms are connected to the frame or body of a car through flexible rubber bushings, called control arm bushings. Control arms have a very important role holding both front wheels on the road. If a control arm is excessively worn, damaged or bent, the vehicle is NOT SAFE to drive.Secondly, how often do control arms need to be replaced? Like any car component, over time, control arms wear down and need to be replaced. Hawley says many control arm assemblies wear down every 90,000 to 100,000 miles. Control arms can bend or break when driving over large potholes or bumps, while brushings can also wear out on their own. Besides, what happens if control arm breaks while driving? The control arm bushings absorb the shock of road bumps. When it’s broken or incapable of functioning, the vehicle will continuously vibrate at the time of driving. It will also cause the metal sleeves of the control arm rattle uncontrollably, creating annoying clunking sound coming from the front wheels.Do you have to change both control arms?Control arms should be replaced in pairs — arms on both sides of a front or rear axle — if the reason for replacement is worn control arm bushings or a worn ball joint.