Friends are most afraid of driving a car is a car failure, once a little "crash" worry about it. One of the longest problems with the car is the abnormal sound of the brakes. Actually, not all abnormal sounds of the brakes prove that the car has failed. Sometimes the abnormal brake sound is caused by weather, temperature, or normal wear, so owners need not be too alarmed. Let us understand under what conditions is the brake abnormal sound normal?

1. Foreign objects, such as sand and small stones, appear between the brake pads and the brake chassis, causing a harsh squeaking sound when the brakes are applied. This situation will disappear as long as the sandstone does not sound.

2. During the break-in period of the new car, the brake pads and the brake chassis need to be worn in. Therefore, a slight friction sound will be emitted when the brakes are braked. After a certain period of time, it will disappear.

3, car abnormal sound when reversing, this situation generally do not need to worry. Because the friction between the brake disc and the brake pad usually occurs during the forward brake, a fixed line is formed, and when the reverse line friction changes, so a squeaking sound is generated.

4. Abnormal sound of rain brakes in rainy days. If the car is parked for a few days in rainy weather, the brake discs and brake pads will stick together because of rust. When they start again, they may make a bang. This situation is also normal and the rust disappears. It will disappear. There is also a situation where the brakes squeak at low speeds. The reason may be that there is water in the brake discs, and the brake pads and brake discs are relatively damp. When the water is dry, it will be good.

5. When the ABS is started, it will also cause abnormal noise of the brake. Usually, it will give off a rattling sound and the brake pedal will vibrate.

6, many brake pads on the market are made of semi-metal, so there are a lot of metal fibers inside the brake pads, sometimes forming metal particles, resulting in a harsh sound when lightly stepping on the brakes. This situation usually disappears after driving for a period of time. If it is always possible that the production process is not good, it is recommended that the owner replace the brake pads in time to avoid scratching the brake discs.

The above mentioned brake abnormal sound is normal, and are you still worrying about the abnormal sound of the brakes?

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