The temperature is relatively low in winter, when you step on the brakes while driving the car, the brake cylinder will make a sound when it acts in the air. This is not an abnormal sound of brake failure, but a normal phenomenon. It is caused by the working state of the parts due to the low temperature. , cannot be otherwise processed.
If it is found that the abnormal sound is not caused by the weather, then it is necessary to judge the specific fault location from the sound of the abnormal sound. If it is a screaming sound, it is most likely because the brake pads are almost used up. At this time, there is an alarm iron pin on the brake pad. When the brake pad is almost used up, there will be sharp metal friction between the iron pin and the brake disc. Call, at this time need to replace the new brake pads to solve the problem. If the abnormal sound is muffled, you need to check the brake calipers. It may be that the movable pin is worn or the spring leaf has fallen off. This part of the problem needs to be checked in an auto repair shop, and the owner cannot find it from the outside. If the abnormal sound is whistling, it is likely to be a problem with the calipers, brake discs and brake pads, and it is necessary to check whether there is a drag brake.
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