Brake disc is an important part of the brake system, if the brake disc has a small problem, it will directly affect the safety of the entire vehicle. Therefore, some drivers check their brake discs after a period of time. How often should they be replaced?

Some say it should be replaced when driving 60,000km, others say it should be replaced when driving 30,000km. In fact, there are certain dangers in replacing too early or too late. Let's see how the repairman answers them.

The advice given by the car repairman is: about 60,000km to 70,000km to replace once, for a long time not to replace will bring more serious consequences. Repair the car master said: early change late change is wrong, the opportunity is very! Heavy! Want to!

1, in the maintenance of the car, check the thickness of the brake disc, to see whether the thickness is less than the vehicle manufacturer allowed maintenance standards, if less than the brake disc should be replaced;

2. When the wear alarm switch on the brake disc alarms, replace the brake disc in time;

3, brake pad oil or grease pollution, but also to update the brake pad in time, so as not to cause adverse consequences;

4. If the brake disc is found to have abnormal sound when braking, the brake disc should be replaced;

5, if the brake pads on both sides of the fixed brake caliper thickness difference reached 1.5mm, the brake pads on both sides of the floating brake caliper thickness difference reached 3.0mm, it needs to be replaced;

6, through the appearance of observation can not determine whether the brake disc wear is serious, you can use a ruler to measure the thin brake pad, see whether it is within the allowed range.

In addition, the brake oil also needs to be replaced frequently. When the car is two years old or 30,000 kilometers old, the oil should be changed. Brake oil is also very important for the vehicle. If it is not replaced for a long time, it will feel weak or even feel a lot of friction when braking, and then the brake system will have problems.