What is a left control arm?
What is a left control arm? Control arms "hold" front wheels. Most cars have two control arms in the front suspension. 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. When to replace the upper control arm on a Land Rover? 2006 Land Rover LR3 (Land Rover Discovery 3) upper rear control arm replacement. One of the rear arms needed replacement. This video covers some of the problems I ran into...