The idler arm is a rod, connected at one end to the teas link and at the other end to a pivot point on the chassis. The idler arm supports the end of the drag link opposite the pitman arm, and forms an "image" of the pitman arm. The idler arm, drag link, tie rods, and steering knuckles comprise the steering linkage.
An idler arm is found on IFS vehicles that have a centerlink. The idler arm supports one end of the centerlink while the pitman arm supports the other.
Component of the steering linkage which is a geometric duplicate of the steering gear arm. It supports the right side of the center steering link.
A pivoting component that supports the right side of the steering relay rod in much the same manner as the pitman arm supports the left side.
A pivot point in a parallelogram steering system that follows the motions of the pitman arm. A worn idler arm bushing typically causes steering wander (looseness) and toe wear.
On an automobile or truck with conventional parallelogram steering, the Idler Arm or idler arm assembly is a pivoting support for the steering linkage.