What is an idler arm?

An idler arm is a component of the steering mechanism in a vehicle that connects the center link to the frame of the vehicle. It is a pivot arm that supports the steering linkage and helps maintain proper alignment of the front wheels of the vehicle. The idler arm helps reduce the steering effort needed to turn the wheels and also helps to absorb shock and vibration from the road. Over time, the idler arm can wear out and become loose, which can cause the vehicle to pull to one side or experience steering instability. It is important to have the idler arm inspected regularly and replaced if necessary to ensure safe and efficient operation of the vehicle.