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What Causes Front Brake Noise?

1 Answers

ColinLee

07/29/25 3:22pm

There are several reasons for abnormal noise from the front brake pads of a car: 1. Noise when braking in a new car: The brake pads and discs of a new car have not yet been fully broken in, so they may sometimes produce a "squeaking" friction sound, which is normal. The noise will naturally disappear after some use. 2. Noise after replacing new brake discs or pads: After installing new brake pads, incorrect installation may cause noise. Common installation errors include installing the brake pads upside down, with the metal side touching the brake disc, leading to abnormal noise. 3. Noise due to brake disc issues: Prolonged use can cause deep grooves on the brake disc surface or deep steps on the edges. Uneven contact between the brake pads and the disc can produce noise. In this case, the brake disc needs to be replaced or polished using a brake disc resurfacing machine. 4. Noise from sand in the brake disc: If foreign objects like sand or small stones get between the brake pads and disc while driving, the brakes may produce a sharp hissing sound. Continuing to drive normally will usually dislodge the debris, eliminating the noise. If the noise persists, the wheel may need to be removed to extract the debris. 5. Noise during hard braking: When braking hard, a clicking sound and vibration in the brake pedal may occur, which is a normal phenomenon when the ABS system activates.

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