Allowing steering tie rod to move horizontally
Idler arm is a swing part, and is installed symmetrical to pitman arm. Idler arm and pitman arm are installed on either side of center link, allowing steering tie rod to move horizontally. Idler arm supports end of center link on front passenger seat and connects to car frame. Usually idler arm is located between the opposite side of pitman arm on the center link and car frame, allowing center link to maintain at the correct height.