The idler arm is an essential component because it links the steering system, like the center link and one side of the frame. The idler arm is a component that provides you with rotating support for the steering linkage.
Idler arm functionOn a car or truck with a parallelogram steering linkage, the idler arm plays a key role as pivoting support for the steering linkage. It supports the end of the center link on the passenger side. It is usually located between the opposing side of the center link and the frame to sustain the center link at the correct height. The idler arm is susceptible to wear because it has the pivot operation built into them.
Common issues with a faulty idler armA faulty idler arm can lead to a loose steering wheel and keeping the vehicle straight will become a challenge.