Posted on 9/26/2025
Hearing a rattling noise under your car can be unnerving, especially at low speeds when you expect a smoother ride. Drivers usually describe it as a loose metal sound, a faint clatter, or something shaking in rhythm with the wheels. While the noise may seem minor at first, rattles can indicate problems with exhaust parts, suspension components, or even heat shields. Identifying the source early is the key to preventing more costly repairs. Loose Heat Shields or Exhaust Components One of the most common causes of rattling comes from heat shields or exhaust system parts. Heat shields are thin metal plates designed to protect surrounding areas from engine and exhaust heat. Over time, they can loosen due to rust or broken fasteners. At low speeds, the vibration of the engine and road surface is enough to make them rattle. Exhaust pipes, hangers, and mufflers can a ... read more