Look for uneven front ride height. If one side is an inch or more lower look for a broken coil spring. They can make a horrendous noise.
Next, check the left and right engine mounts to see if the engine is sagging on one side. That can cause the vibration damper to rub on the plastic splash shield or the half shafts to bind as they rotate.
If you can't find anything loose with a visual inspection, you might try a tool called the "Chassis Ear". That is a set of six microphones, a switch box, and head phones. You clip the microphones to suspect points, then drive around while listening with the head phones. You might find this tool at an auto parts store that borrows or rents tools. Be aware that many mechanics have never seen or even heard of this tool but most new car dealerships have them.
Thursday, April 21st, 2011 AT 1:45 AM