Should I be able to put my hands around the tie rod on my truck and be able to get a significant amount of movement just by twisting them in an up and down motion? Should I get any movement at all? I noticed both tie rods move quite a bit when I grasp them and put just a little effort into moving them. Does this mean they are worn or just loosened up? The truck has 101K miles and these are the original tie rods and ends. I've been noticing an intermittent vibration since last summer. TIA