Its mainly over poor road surfaces. ive noticed it on the drivers side as well. it s worse when im driving slow. Thud thud thud. Its doin me head in!! cheers:bang:
This is usually the front anti roll bar. I had to change the entire assy and the parts were about £90. It was worth it to stop the rattle.
Oh and getting under the car with a crow bar did not show up the fault and it sailed through it's MoT in that state, so hard to diagnose.