How to Reduce Car Noise?
2 Answers
Methods to reduce car noise: 1. Before performing car sound insulation, first check the vehicle condition. Some noises are caused by the vehicle's own faults, such as abnormal tire pressure or irregular wear; 2. For engine noise, you can paste an advanced sound-absorbing foam acoustic material under the hood. This can not only absorb and consume a large amount of engine noise but also suppress hood vibration and block heat from the engine, protecting the car paint surface from high-temperature damage; 3. Use damping plates or specialized damping plates, sound-absorbing pads, and door sealing strips to comprehensively treat the fender, floor, and doors. This can improve tire and road noise from three sources: vibration reduction, sound absorption, and sound insulation.
As a seasoned driver with over a decade of experience, I often think about how to make the car quieter. The noise mainly comes from the engine, tires, and wind resistance, which can be quite annoying. My advice is to first check the tire wear—excessive wear can cause a humming sound; switching to low-noise tires shows immediate results. Next, regular maintenance of the suspension system is key—loose bearings or worn shock absorbers can amplify vibration noise. I also DIY by adding soundproofing materials inside the doors and trunk—affordable soundproofing foam bought online does the trick for just a few bucks. If the engine noise is loud, it might be due to aging belts or a dirty air filter—timely replacement can reduce a lot of unwanted sounds. Driving habits matter too—I avoid sudden acceleration and braking, as smoother driving cuts noise by half. Always remember to close doors and windows properly when parked, as damaged seals let in whistling wind noise. Finally, using a noise-testing app helps monitor issues early—fixing problems promptly keeps the cabin quiet, making long drives much more comfortable.