1 Auto Shop - Control Arm

Your car has several, including the upper control arm and the lower control arm, which are arranged to form the letter A. Control arms are part of the suspension system. They attach suspension members to the chassis and manage the motion of the wheels so that it synchronizes with that of the body of the car. ***A control arm set (lower and upper) connects the front suspension of the car to the frame of the car. It is connected to the wheels through ball joints, and to the frame of the car through bushings. It is usually found on the front side of the car. (Few cars have control arms in the back.) ***Symptoms of a Bad or Failing Control Arm Assembly • Steering wheel vibration. One of the first symptoms commonly associated with bad control arms is steering wheel vibrations. • Steering wandering. Another symptom commonly associated with bad or failing control arm assembly is steering wandering. • Clunking noises