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Why Are the Brake Pads Making a Piercing Noise?

1 Answers

ElenaMarie

07/29/25 6:28pm

The reasons for brake pads making a piercing noise are as follows: 1. The most common reason is excessive wear of the brake pads, which thins them out and causes the warning tab on the brake pad to come into contact with the brake disc. As a result, every time you press the brake, the pads emit a squealing sound. At this point, the brake pads need to be replaced because excessively thin pads can lead to brake failure, posing a safety hazard. 2. Small stones may be lodged in the brake pads. If you frequently drive on rough or damaged roads, it's easy for small stones to get trapped in the brake pads. When you press the brake, a small stone might get caught between the pad and the disc, quickly embedding itself into the pad. 3. Quality issues with the brake pads themselves. Currently, brake pads are categorized into metallic, semi-metallic, and ceramic types. Obviously, metallic and semi-metallic pads are harder than ceramic ones. Excessive hardness not only produces a piercing noise but can also damage the brake disc. Ceramic pads have a much lower noise occurrence rate, so it's recommended to use ceramic pads when replacing brake pads in the future. 4. Quality issues with the brake pads themselves. Currently, brake pads are categorized into metallic, semi-metallic, and ceramic types. Obviously, metallic and semi-metallic pads are harder than ceramic ones. Excessive hardness not only produces a piercing noise but can also damage the brake disc. Ceramic pads have a much lower noise occurrence rate, so it's recommended to use ceramic pads when replacing brake pads in the future.

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Can a Car Without the Green Book Be Mortgaged?

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Is There Any Difference Between the Two Car Keys?

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