What Causes the Squeaking Noise When Braking?

1 Answers
MacTucker
07/23/25 10:21pm
The following are the reasons for squeaking noises when braking: 1. Use of low-quality or overly hard brake pads. If the vehicle uses inferior or excessively hard brake pads, stepping on the brakes will cause the brake pads to rub against the brake discs, producing a squeaking sound. Therefore, it is essential to use high-quality brake pads when replacing them. 2. Presence of sand or foreign objects between the brake pads and brake discs. During normal driving, it is inevitable to pass through some rough road conditions. Due to the unique design of disc brakes, some sand and foreign objects may enter between the brake pads and brake discs, which can also cause abnormal noises when braking. 3. Severe wear of the brake discs. Using low-quality brake pads or having hard foreign objects between the brake pads and brake discs can lead to abnormal wear of the brake discs. If the brake discs are excessively worn, stepping on the brakes will also produce a squeaking sound. 4. Brake pad warning. Many people are unaware of when to replace brake pads. There is no strict mileage requirement for replacement; they should be replaced when they become thin. Some brake pads have electronic warning systems, while some lower-end vehicles use warning tabs. If the wear on the brake pads reaches the warning line, a squeaking sound will be emitted as an alert, indicating that they need to be replaced promptly.
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