..and what do the front shocks do versus what the springs do? I ask this because another member posted his story about changing the front shocks on his toyota tundra. when removed, the could easily move the shocks with his hands - in other words they were totally shot and doing nothing at all - the springs were doing all the work. so i started wondering, how can you tell when your shots are fading? do any of you actually replace them? and if the front springs can do all the work, what do the shocks actually do?