What does a lower control arm do?

It connects the steering knuckle to the frame and stabilizes the vehicle by allowing the chassis and the wheels to move in unison while the vehicle is in motion. via

What will happen if lower arm damage?

Having damaged control arms and worn bushings or ball joints could cause suspension parts to become misaligned. When this occurs, you may experience issues with steering and handling. Usually you'll notice noises first, either while turning, stopping or driving over speed bumps. via

Can lower control arms cause vibration?

One of the first symptoms commonly associated with bad control arms is steering wheel vibrations. If the bushings or ball joints in the control arm become excessively worn it can cause wheel shimmy, which may cause vibrations felt in the wheel. via

Can a bent control arm be fixed?

For this reason, the whole control arm is usually replaced if the bushings are worn out. The control arm is also the most common part that bends in a collision involving one of the front wheels or after hitting the curb. A bent control arm must be replaced. via

What are two types of control arms?

Some have two control arms on either side- an upper and lower one. These can be seen attached to the wheel assembly through ball joints while the other ends bolt to the vehicle frame. This type of suspension system is called double “wishbone suspension,” and for reasons we will see shortly. via

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