What is Control arm
Premium Control Arm Manufacturer- Dingyi Auto Parts This article is from https://www.control-arm.com/knowledge/what-is-control-arm/ In automotive suspension , a control arm , also known as an A-arm , is a hinged suspension link between the chassis and the suspension upright or hub that carries the wheel. The inboard (chassis) end of a control arm is attached by a single pivot, usually a rubber bushing. It can thus control the position of the outboard end in only a single degree of freedom, maintaining the radial distance from the inboard mount. Although not deliberately free to move. Lower Control Arms If a vehicle is in MacPherson strut style front or rear suspension, this car only use lower control arms. The upper control arm isn’t needed because the strut takes its place. Upper Control Arms and Trailing Arms For the rear of a vehicle with a solid axle, any style of control arms might be used to connect the rear axle to the frame or unibody. Mostly, it is three or four control
