Don't You Know when to Replace the Brake Pads? Three Tips to Teach You how to Judge

Many people don't know when to replace the brake pads. Some people say that they can replace them every 30000 kilometers according to the maintenance manual. This is not completely accurate, because everyone's driving conditions and road conditions are different, so the wear of the brake pads is different. Today, let's talk about when the brake pads need to be replaced.

 

 

Method 1: see the thickness

 

The thickness of a new brake pad is generally about 1.5cm, which will gradually become thinner with the continuous friction in use. Professional technicians suggest that when the thickness of the brake pad is only about 1/3 of the original thickness (about 0.5cm) by naked eye observation, the owner should increase the self itself-inspection and be ready to replace it at any time. Of course, due to the wheel hub design, individual models do not have the conditions for visual inspection, and the tires need to be removed to complete.

 

There is a raised sign on both sides of each brake pad. The thickness of this sign is about two or three, which is also the limit of the thinnest replacement of the brake disc. If the thickness of the brake pad has been parallel to this sign, it must be replaced. Therefore, when the thickness of the brake pad is close to this sign, the owner should be ready to observe it at any time. However, it is difficult to observe it accurately with the naked eye without removing the tire. At present, when the brake pad of many models is too thin, the position of the instrument hand brake light will be prompted, which is relatively convenient for self-inspection.

 

Method 2: listen to the sound

 

If there is a hissing sound of "iron rubbing iron" when braking gently (it may also be the effect of running in of the brake pad at the beginning of installation), the brake pad must be replaced immediately. Because the limit marks on both sides of the brake pad have directly rubbed the brake disc, it proves that the brake pad has exceeded the limit. In this case, when replacing the brake pads, it is necessary to cooperate with the inspection of the brake discs. When this sound occurs, the brake discs are often damaged. At this time, even if the new brake pads are replaced, the sound cannot be eliminated. In serious cases, the brake discs need to be replaced.

 

In addition, some brake pads of poor quality have hard spots, which will also produce abnormal noise. Generally, the abnormal noise will disappear after being worn off for some time.

 

Method 3: Feel the strength

 

If the brake feels very hard, it may be that the brake pads have lost friction. At this time, they must be replaced, otherwise, serious accidents will be caused.

 

This method is relatively abstract, which may be a little difficult to grasp by feeling, so it is important to develop a good self-test habit. In addition, the reduction of the braking effect will lead to an increase in brake oil consumption. Therefore, when replacing the brake pads, we should focus on checking the condition of the brake oil.

 

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