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The control arm is a vital component of your vehicle’s suspension system. It acts as a link connecting the car’s frame to the wheel hub assembly or steering knuckle. Control arms come in various shapes and sizes, with upper control arms often resembling the letter ‘A.’.
A control arm is a critical component of a vehicle’s steering/suspension system. This component is affixed to an outboard-mounted hub at one end, and a vehicle’s frame at its opposing end. Bushings are positioned within a control arm’s frame mounts, thereby preventing excessive wear under continuous movement.
Control arms are connected to the frame or body of a car through flexible rubber bushings, called control arm bushings. This allows a control arm to swing up and down as front wheels roll over bumps and potholes. The outer end of a control arm has a ball joint.
Control arms, otherwise knowns as A-arms, connect the wheel hub and steering knuckle to the vehicle’s frame or body. They allow the wheels to move up and down while maintaining the proper wheel alignment and keeping your vehicle stable.
The purpose of control arms is that they allow for more steering feedback while ironing out the imperfections of the road as much as possible. Control arms play a crucial role in the stability and overall driving feel.
What are control arms? Control arms are the core of your front suspension system. In simple terms, control arms are the link that connects your front wheels to your car. One end connects to the wheel assembly and the other end connects to the framework of your car.
The control arm is part of the suspension system that helps your car remain in full contact with the road at all times, that’s giving you necessary control. In most control arms, the two lower parts of the “A” are attached to the frame via control arm bushings, which are rubber pivot-points.
In the most basic of terms, the control arms allow up and down movement of the suspension while holding the knuckles, spindles, and axles firmly onto the car. They have been an integral part of suspension systems for nearly a century.
A car control arm (also popularly called an “A” arm) is the component that forms the structural connection between the wheel hub assembly and the chassis. It typically pivots on the wheel side using a ball joint and hinges on the chassis using a rubber/polyurethane bushing or bushings.
Control arms in a car are vital parts of the front suspension. If a control arm is worn out or damaged beyond what a car manufacturer considers acceptable, the vehicle is deemed unsafe to drive. Lower control arm in a MacPherson strut layout.