How many kilometers do you change the brake pads? Do you have to change the original ones? Many car owners don't know

Needless to say, the importance of the car's braking system should be very clear to car owners. Once a problem occurs, it will be more troublesome to solve it. The brake system generally includes a brake pedal, a brake booster, a brake warning light, a handbrake, and a brake disc. As long as there is any failure, it should be paid enough attention. Take the brake pads as an example. Although they need not be replaced too frequently, they must pay attention to the mileage or cycle when replacing them. If they are not replaced for a long time, their performance will be greatly affected. So, how many kilometers to change the brake pads, do you have to change the original one? Many car owners don't know, let's take a look today.

Although the replacement of the brake pads is closely related to the mileage, the two are not positively correlated. In other words, there are other factors that affect the replacement cycle of brake pads, such as the driving habits of car owners, the environment of the car, and so on. For the vast majority of ordinary car owners, the brake pads can generally be replaced once at about 25000-30000 kilometers. If the driving habits are better, they rarely step on the brakes with big feet, and the driving conditions are also good, just for commuting If you can extend the replacement cycle of the brake pads appropriately. In fact, car owners can also judge whether the brake pads need to be replaced through the following methods.

First, you can check the thickness of the brake pads. The thickness of the new brake pads is about 15mm, and the brake pads will become thinner and thinner due to wear after long-term use. If it is found that the thickness of the brake pads is only about 1/3 of the original, that is, about 5mm, then you can consider replacing the brake pads.

Secondly, you can also feel the degree of wear of the brake pads by stepping on the brakes. If you step on the brakes in normal driving and make a sizzling sound similar to the friction between the iron sheet and the iron sheet, it can indicate that the brake pads have worn out quite seriously and need to be replaced as soon as possible, otherwise the brakes may fail. Of course, this method is still more difficult than directly looking at the thickness of the brake pads, because there are more other noises when the car is driving, such as wind noise and tire noise. These noises are likely to mask the sound of the brake pads when the brakes are stepped on. In addition, for some old drivers with rich driving experience, you can also judge the degree of wear of the brake pads by the feeling of stepping on the brakes. It is more difficult to step on the brakes, and the braking distance is significantly longer. It needs to be replaced in time.

This is not necessarily, the most important thing is to look at the quality and performance of the brake pads, as long as these two points are met. Secondly, pay attention to the friction coefficient when replacing the brake pads. If it is too high, the wheels will lock up, and if it is too low, it will not stop. Choose a moderate friction coefficient. Of course, the comfort of the brake pads must also be considered. For example, some brake pads are noisy when stepped on, and even smoke, peculiar smell, dust, etc. Such brake pads are obviously unqualified and should be replaced as soon as possible.

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