Reasons for abnormal noise in the brakes of a new Civic?

[LawsonFitz]

Civic's brakes make abnormal noise at low speeds. Possible reasons include excessive wear of the brake discs and brake pads, improper installation of the brake pads, or poor caliper reset, which can cause prolonged friction between the disc and the pad, resulting in abnormal noise under certain conditions. If there are foreign objects on the brake pads or brake discs, it may also cause abnormal noise. Detailed explanation: Excessive wear of brake discs and brake pads: Both brake discs and brake pads are high-wear components. Every time the brakes are applied, these two parts experience friction, leading to natural wear over time. When the wear becomes excessive, abnormal noise will occur, so regular inspection and replacement are necessary. Typically, brake pads should be replaced every 60,000-80,000 kilometers, while brake discs should be replaced every 100,000-120,000 kilometers. Improper installation of brake pads: If the brake pads are installed incorrectly or the model does not match, abnormal noise may also occur. The brake pads can be reinstalled. When installing brake pads, car owners should go to a professional auto repair shop for the job, especially those who have had their brake pads replaced at roadside stalls, as they should pay more attention to this issue.

[GrahamLynn]

My Civic is only two months old, and there's always this sharp hissing sound when I brake. I specifically consulted the technicians at the 4S dealership. They explained that new brake pads have a protective coating on the surface, which needs to wear in during the first few hundred kilometers on the road, just like new shoes rubbing your feet. Another possibility is that the brake discs have metal debris or rust from rainwater, which will wear off after a few more brake applications. However, it's important to note that if there's vibration or the noise gets progressively worse when braking, it could be due to improper installation or deformed brake pads, and you should return to the dealership immediately for inspection. During daily driving, try to avoid sudden braking and let the braking system gradually settle into its optimal state.