When the brake pads are worn out, will there be any abnormal sound on the brakes?

If the brake pads wear out, it can have a very serious impact on your braking system. The main manifestation of your braking system is the prolonged braking distance and the soft brakes, but generally speaking, there is no chance of abnormal noise.

Hello, there will be an abnormal noise when braking.

The wear thickness of the brake pad is related to the abnormal noise, and it is recommended to check whether the brake cylinder is not good to return to the side of the grinding fast.

This is not necessarily to check the brake pads and brake discs, or to see if there is a problem with the brake master cylinder sub-cylinder, so it is more reassuring to check it.

Brake pad abnormal noise has always been a problem that makes car buyers more annoying, brake pads often appear such a problem, there are many kinds of reasons, whether it is a car or a relatively old car is very likely to occur brake pedal abnormal noise, only to find out the existing problems can be dealt with in essence, the following will be talked about by me about the cause of brake pad abnormal noise.

Brake pads are abnormal.

1. Rust of brake pumps.

If the brake fluid is not changed for a long time, the booster oil will mildew, and the moisture in the oil will corrode with the brake master cylinder, resulting in friction and abnormal noise.

2. The brake master cylinder is slow to return to position.

Abnormal return of the brake pump will also cause abnormal noise of the brake pads.

3. Automobile running-in period.

The brake pads and brake discs of the new car are in a new situation, and they are still in the run-in time, and there may be some sounds at this time when the model is disassembled, which is routine.

4. There is some dirt in the middle of the brake pad and brake disc.

During the whole driving process, it is very easy to bring some dirty things such as sand and gravel to the brake pads or brake discs, which will cause abnormal noise in the case of the braking system.

5. The raw materials of brake pads are solid.

Nowadays, the original brake pads are generally made of semi-metallic materials, and it is very easy to make abnormal noises when rubbing against the brake pads.

6. The safety of the braking system is not standard.

When the brake system is safe, the interval between the brake pads and the brake disc and the tightness of the nut are not adjusted.

7. Abnormal sound of steering brake pedal.

The vast majority of the brake pedal is in the process of driving forward, and the brake pad Nagamori is expected to be damaged in a direction that will cause some burrs on the steering surface, and the brakes will be stepped on in reverse gear, and the friction between the burrs and the brake disc will cause abnormal noise.

Deal with brake pad squeaks.

For the abnormal sound of the brake pedal of the new car, it is impossible to pass the run-in time; In view of the abnormal noise caused by dirty things, car buyers can go to the repair shop to clean the brake disc, which is generally mainly adhered to the brake disc, and very rarely will directly affect the brake pads; In view of the abnormal noise caused by the non-standard safety of the braking system, it is proposed that the car buyer go to the car 4S shop to carry out the adjustment of the interval and the tightening of the nut; For the abnormal sound of the steering brake pedal, the brake pads can be removed and polished, and the brake pads can also be removed.

Millions of car purchase subsidies.

The abnormal noise of the brake pad grinding brake disc is mainly due to the following reasons, namely: 1. It may be that the vehicle is shaking when stepping on the brakes at high speed. 2. It may be that the contact surface between the brake pad and the brake disc is not worn well.

3. It may be that the material of the brake pad is not good, which causes abnormal noise during braking. There are mainly the following methods to solve abnormal noise: 1. Do not vibrate after turning on the power supply, check whether the fuse of the electrical controller is dissolved, whether the electrical components are loose, and whether the plug and socket are in poor contact.

If the conveying speed is not required, the following three points should be noted: (1) Check whether the screws that fasten the elastic elements are loose. (2) Whether the spring blade is broken.

3) Whether the electromagnetic gap is too large, the distance between the electromagnet and the armature corresponding to the normal gap of the small vibrating disc is in the range of 0 5mm to 1 2mm The parallelism between the core and the working surface of the armature is not greater than that of the electromagnet coil The temperature is too high or the coil is burned, and there are 2 points: (1) The interval between the electromagnet and the armature is too large, and the coil is easy to burn. (2) If the electromagnet is suitable for full-wave vibration, the temperature will be high if it is used in the half-wave power supply.

The impact of abnormal noise of automobile brake pads: 1. The abnormal sound of automobile brake pads indicates that the brake pads have been seriously worn, and the brake pads have a built-in alarm pad, when the brake pads of the car have been worn very seriously, there will be a sharp alarm sound, and the owner needs to replace the new brake pads in time to avoid serious consequences caused by brake failure; 2. If it is not a smart new car, it may be that in the process of driving the vehicle, the internal parts are disturbed by external forces, such as small mud, sand and pebbles carried in the air, and even small objects such as feathers, as the pipeline enters the interior of the vehicle, the accumulation of time will eventually affect the normal driving of the vehicle, resulting in abnormal noise of brake pads; 3. If the above situations are excluded, it may be because of the damage to the parts of the vehicle itself. This happens to vehicles that are in disrepair or have not been serviced regularly.

If this is the case, it is best to go to the 4S shop for relevant maintenance testing.

The reasons for the abnormal noise of the brake pads that have just been replaced are foreign body collisions, scratches on the brake pads, brake pads are misaligned or brake sizes are different. Foreign object collision: During driving, small stones or small sand particles on the road may enter the middle of the brake pads and brake discs, which will increase friction at this time, resulting in abnormal noise, which is manifested as a slight sound.

When you hear this sound, you don't need to worry, because this situation generally does not require maintenance, and these foreign objects will fall off when the vehicle is running, and it will not have any effect on the braking system. Brake pads have scratches: The probability of the original car's brake pads scratching the original car's brake disc is more than 50%.

In this case, the brake pads should be replaced, and the brake disc must be checked for scratches, if there are scratches, it is recommended to smooth the scratches or replace the new disc. Brake pads are misaligned or brake sizes are different: If the brake pads are misaligned during assembly, it will lead to local friction and abnormal noise.

In addition, the size of the friction block of the same type of brake pad is inconsistent, especially the width of the friction block, the size deviation between manufacturers can reach up to three millimeters, if the brake pad is assembled to the size of the inaccurate brake pad, its matching clearance is not good will also cause abnormal noise, then reassemble the same brake pad with the original car model.

The reasons for the abnormal noise of the brake pads that have just been replaced are foreign body collisions, scratches on the brake pads, brake pads are misaligned or brake sizes are different. Collision: During driving, small stones or sand particles on the road surface may enter the middle of the brake pads and brake discs, increasing friction and producing abnormal noise, which is a bit noisy.

When you hear this sound, don't be in a hurry, as this situation generally does not require repair. These foreign objects will fall off while the vehicle is in motion and will not have any effect on the braking system. Brake pad scratches:

The probability of the original brake pads scratching the original brake disc is more than 50%. In this case, the brake pads should be replaced, and the brake disc must be inspected for scratches. If there are scratches, it is recommended to smooth out the scratches or replace the disc with a new one.

Brake pad deviation or brake size is different: If the brake pad is deviated during assembly, it will cause local friction and abnormal noise. In addition, the size of the friction block of the same type of brake pad is inconsistent, especially the width of the friction block, and the size deviation between manufacturers can reach up to 3mm.

If the wrong size brake pad is fitted, its poor fit clearance will also cause abnormal noise. At this time, it is enough to reassemble the brake pads of the same model as the original car.