Palo Alto Auto Repair

A squeal or squeak over bumps usually means a suspension part is moving dry, worn, or out of position when the car’s weight shifts. Drivers tend to hear it over speed bumps, driveway entrances, rough side streets, or broken pavement at low speeds. The car may still feel stable enough, so the sound gets pushed aside and treated like a minor annoyance. It usually is not minor for very long. Why The Noise Shows Up Only Over Bumps A bump forces the suspension to compress and rebound in a very specific way. That movement loads bushings, links, mounts, spring seats, and other support parts all at once. If one of those pieces has dried out, cracked, or started rubbing where it should not, the sound will show up right there and then disappear once the car is back on level pavement. That is why this kind of noise is useful. It points toward chassis movement, not engine speed or tire rotation. A squeak that appears only when the suspension travels is already narrowing ... read more