A control arm, also known as a wishbone or A-arm, is a suspension component in a vehicle's suspension system. It connects the steering knuckles to the frame or subframe of the vehicle and helps control the position of the wheels as the vehicle moves and turns.
Control arms play a crucial role in maintaining the stability and handling of a vehicle, as they are responsible for supporting the weight of the vehicle, controlling the suspension geometry, and allowing the wheels to move up and down with the bumps in the road.
In most vehicles, there are two control arms per wheel, one located at the top and one at the bottom. The design of control arms can vary depending on the make and model of the vehicle and the type of suspension system it uses. Some control arms are made from stamped steel, while others are made from cast aluminum or forged steel.
If a control arm becomes damaged or worn, it can cause issues with the alignment and handling of the vehicle, as well as uneven tire wear. In such cases, it is important to have the control arm inspected and replaced if necessary, to ensure the safe and smooth operation of the vehicle.
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