How often is the brake disc changed?

The brake disc is a very important part of the brake part. If your brake disc has some minor problems, it will affect the safety of the entire vehicle. Therefore, some drivers will check their brake discs at intervals, and the use of brake discs Time is not strictly stipulated, but is determined according to the individual's driving conditions, the frequency of use of the car and the habits of the car. Everyone is different. You may have heard that some people will change it for 50,000 or 60,000 kilometers. Ten thousand kilometers or even one hundred and fifty thousand kilometers have not been changed. This is a combination of various factors and is not certain. If you hear harsh metal whistle during braking during daily driving, you should pay attention at this time. This is because the warning plate on the brake pad has begun to wear the brake disc, so this sharp metal will be there. sound. Also, most brake disc products have wear indicators, that is, three small pits will be distributed on the disc surface. Use a vernier caliper to measure the depth of the small pit is 1.5mm. In other words, the total wear depth on both sides of the brake disc reaches 3mm, and we recommend replacing the brake disc in time. Recommended mileage is based on the first-come. After all, the brake is related to driving safety. Try not to change it until it is used to a certain extent.