Visit http://www.automd.com for more auto repair videos. Our Do It Yourself and auto expert community has you covered with this Repair-apedia of easy step-by-step instructions. The leaf spring is mounted to the axle and supports the vehicle body. It is usually made out of a flat strip or multiple leaves of steel. In this video, AutoMD shows how to replace the leaf springs of your car. You can check this link for the steps: http://www.automd.com/166/how-to-replace-leaf-springs/