There will be noise and jitter when the brakes are pressed to the end. What happened?

The reason is the use of inferior and high-quality brake pads. If you use inferior or high-quality brake pads, when you step on the brakes, the friction between the brake pads and the brake disc will make a squeak. Therefore, when replacing brake pads, you must use high-quality brake pads.

There is sand and foreign matter between the brake pad and the brake disc. In the normal driving process, it is inevitable to pass through some complicated road conditions. Due to the unique design of the disc brake, some sand and foreign matter will inevitably enter between the brake pad and the brake disc, so there will be abnormal noise when braking.

The brake disc is badly worn. If inferior brake pads are used, or hard foreign objects enter between the brake pads and the brake disc, the brake disc will be abnormally worn. If the brake disc is worn too much, there will be a squeak when you step on the brake. Brake pad alarm. How many kilometers should the brake pads be replaced? In fact, there is no mandatory requirement for how many kilometers to replace. If it is thin, it will be replaced.

Some brake pads have electronic alarm, and some low-end car alarm sheets. If the brake pads wear to the warning line, they will give a squeaking alarm and need to be replaced in time.