What Causes the Hissing Sound When Braking?
1 Answers
The reasons for abnormal brake noises are: 1. Rust on brake discs or pads: After prolonged parking, especially in humid weather or after rain, rust or dirt may form on the brake discs or pads. This issue can be addressed by applying butter or specialized lubricant to the connection between the brake pads and calipers. 2. New brake pads: New cars may produce similar noises when braking. New brake pads and discs require a break-in period, and such noises during braking are completely normal. 3. Excessive wear on brake discs or pads: Both brake discs and pads are high-wear components that experience friction with every brake application. Over time, wear naturally occurs, and excessive wear will lead to abnormal noises. Therefore, 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. 4. Installation issues: If the brake pads are installed incorrectly or are of the wrong model, abnormal noises may occur. Reinstalling the brake pads is recommended, and car owners should have this done at a professional auto repair shop.