What is the main job of the idler arm?

The main job of the idler arm is to support the steering linkage system in a vehicle, ensuring proper alignment and function of the steering mechanism. It connects the center link to the frame of the vehicle, allowing for smooth movement during steering. Additionally, the idler arm helps maintain the stability of the steering system by absorbing road vibrations and loads. Proper functioning of the idler arm is crucial for safe and responsive steering.