As we all know, the braking system is always one of the most important issues, whether it is a car or a variety of vehicles. Automobile brake pads are one of the parts of the brake system, which always bear the safety of the whole vehicle. Reliability, so you must pay special attention to the maintenance and inspection of the brake pads when driving. What are the common failure problems of brake pads?

The surface of the brake disc is flat, but a new brake disc is installed. The reason may be that the repairman did not install the brake pads correctly. When you remove it, you will find only some friction marks on the surface of the brake pad. Treatment method: It can be removed and reinstalled.

At present, the size of the friction block of the same type of brake pads is inconsistent among domestic manufacturers, especially the width of the friction block, the size deviation between manufacturers can reach three millimeters. As a result, although the surface of the brake disc looks smooth, if larger-sized brake pads are installed on a brake disc that has been rubbed by smaller brake pads, they will also make noise. Solution: burn the CD first, if not, you can drive for a period of time, there will be no sound after the wiring matches.

Uneven wear: Generally, after using the brake pads for a period of time, the surface of the friction material will wear unevenly. The reason is the irregular surface of the brake disc. This phenomenon can cause brake squeal and brake pedal vibration or abnormality. The important solution is to check whether the surface of the brake disc is flat or replace with a new brake pad.

Normal use: If our car is a new car or a newly replaced brake pad, then we can use it normally without worrying about the wear of the brake pad.

Abnormal braking sound: Almost all brands of vehicles will experience abnormal braking sound. The cause of noise is mainly caused by human factors and product factors. You can remove the original car film and replace it with a new one. At present, according to the actual situation, the possibility of the original car's brake pad being scratched by the original car's brake disc exceeds 50%. The driver does not believe that the original car brake disc will damage the brake disc. Therefore, when replacing a new brake disc, they usually do not actively check the brake disc for scratches. When the replacement disc sounded, check again and only found scratches on the brake disc.

Solution: When replacing the brake pads, you must first check the brake disc for scratches. If there is a scratch, it is recommended that you scratch it or replace it with a new disc.

Metal embedding: If we find metal fragments on the surface of the brake pad, the possible cause is that water evaporation causes the brake disc to instantaneously produce "quenching" phenomenon, which causes the metal substance of the brake disc to penetrate into it. Brake pads. It has no effect on braking performance, but it will cause brake disc wear and brake squeal. The solution is to keep the surface of the brake pad clean and dust-free when replacing the new brake pad.

The above is the brand of car brake pads. How often do you change the brake pads? Do you have a certain understanding of when to change? Quickly look at the condition of your brake pads.