Hello again, check the entire front-end for loose parts, naturally.  Ball joints, tierod ends, strut mounts can make the car very unstable.  These parts all clunk, knock or creak when they are worn which should be a dead givaway. Good luck! Hello again, check the entire front-end for loose parts, naturally.  Ball joints, tierod ends, strut mounts can make the car very unstable.  These parts all clunk, knock or creak when they are worn which should be a dead givaway. Good luck!