Posted on 3/27/2026

A thump over bumps is one of those noises that makes you tense up every time the road gets rough. It can start out as an occasional knock on a pothole, then turn into a repeat thud on speed bumps, driveway entrances, or uneven pavement. Because the car still drives fine most of the time, it’s easy to put it off. The truth is that a thump means something is moving more than it should. What A Thump Usually Means Versus A Rattle A thump is typically a heavier sound than a rattle. It feels like something is shifting, tapping, or bottoming out, and you may feel it through the floor or seat. A rattle is more of a light metallic chatter. That difference helps narrow the suspects. A thump that happens only on one side points toward a single worn component. A thump that seems centered can still be on one side, but it can also be an exhaust component contacting the body or a mount allowing extra movement. Suspension Bushings That Let Things Shift Sus ... read more