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What Are the Causes of Abnormal Brake Noise in Cars?

1 Answers

MacNorah

07/30/25 12:01am

Car brake abnormal noise is caused by: using inferior or overly hard brake pads, and the presence of sand or foreign objects between the brake pads and brake discs. Using inferior or overly hard brake pads: When the brake pads rub against the brake discs, they produce a squeaking noise. Therefore, it is essential to use high-quality brake pads when replacing them. The abnormal noise will gradually disappear as the brake pads and discs wear in, and the braking force will also improve, requiring no special treatment. However, hard braking should be avoided as much as possible, as it can accelerate the wear of the brake pads and discs, affecting their long-term service life. Presence of sand or foreign objects between the brake pads and brake discs: During normal driving, it is inevitable to encounter some complex road conditions. Due to the unique design of disc brakes, some sand or foreign objects may get between the brake pads and discs, causing abnormal noise when braking. You can try slamming on the brakes a few times to help expel the particles. Brake pad installation issues: After installing the brake pads, the calipers need to be properly adjusted. Issues such as the brake pads being too tightly fitted to the calipers or being installed backward can cause abnormal brake noise. Try reinstalling the brake pads or applying grease or specialized lubricant to the connection between the brake pads and calipers to resolve the issue.

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