South San Francisco Auto Repair

A rattle over small bumps can drive you nuts because it makes the car feel cheaper than it is. The annoying part is that it often happens at low speeds, like parking lots, neighborhood streets, and rough intersections. It might even disappear on the highway, which makes it harder to explain at the shop. Most of the time, a rattle means something has a little extra movement that it should not have. It can be a suspension part, an exhaust shield, or even something loose in the cabin. The sooner you narrow down where it’s coming from, the easier it is to fix before it turns into a bigger issue. Why The Noise Shows Up On Small Bumps Small bumps create quick, sharp suspension movement. That fast up-down motion is perfect for making loose parts tap, especially if the suspension is already a little worn. Bigger bumps can sometimes mask the sound because everything moves together, while small bumps make just one corner chatter. Temperature can change the noise too. R ... read more