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Why Do Brake Pads Squeak?

1 Answers

McLiam

07/30/25 1:02am

The reasons for brake pads squeaking are as follows: 1. Newly replaced brake pads and brake discs require a break-in period, usually around 500 kilometers. The brake disc may have been worn unevenly by the old brake pads, while the new brake pads have a smooth surface. Therefore, the contact area is initially small and requires break-in. It is normal for there to be noise before the break-in is complete. 2. Severe wear of the brake pads: This occurs when the brake pads reach the warning line or are completely worn out. The noise is mostly a metallic friction sound and is relatively sharp. If accompanied by a decrease in braking effectiveness, this is likely the cause. 3. Noise caused by the material of the brake pads: Harder brake pad materials are more prone to causing this type of noise, while softer materials may produce a sharper sound. If accompanied by a decrease in braking effectiveness, this is likely the cause. 4. Improper installation of the brake system causing noise: This is more complex and requires inspection and handling at a repair shop.

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