Brake failure is a very terrible thing, once you need to brake the highway, you step on the brake to the end and find that the brake has failed, it is basically a life of death. Therefore, many people will change the brake fluid regularly under the advice of the 4S shop. But some car owners usually rarely drive, there will be questions about my car driving less, I have not changed the brake fluid will lead to brake failure?
I believe that many people have learned about brake fluid in other places, brake fluid itself is a hydrophilic oil, which means that it will absorb water in the air after a long time, resulting in an increase in the moisture content of the oil. What does the increase in moisture content mean? The most terrible result is that there will be brake failure! But the brake failure caused by this situation has a characteristic, that is, the fault code may be lit on the instrument first, and we have brakes when we brake at the beginning, and brake failure will occur when the brakes are overheated. Some cars are rarely used, because there is too much water in the brake oil, resulting in the piston inside the brake caliper rusting and stuck, in this case, the water will not light up the fault code, but when we step on the brake, the piston is rusty and it is difficult to top in place, or it simply can't be pushed out and then cause brake failure. Therefore, if you don't change the brake fluid all the time, there will definitely be a brake failure problem one day, but as long as we check in time and find possible problems with the brake fluid, the brake failure can also be avoided.
When I used to work with a large forklift in the factory, I often encountered the situation of forklift brake failure, and basically the brake failure was the same problem, that is, the brake fluid was gone. So we all carry spare brake fluid in our cars, and when we find that it is missing, we add it and never change it. But I'm not teaching you not to change the brake fluid, the brake fluid is not good and it definitely needs to be replaced, a friend who opened a repair shop told me that we don't need to change the brake fluid regularly, because the quality of the brake fluid that comes with the original car is better, and there will be a sensor on the oil pot to detect the quality of the brake oil, and then change it when the fault light is on. Generally, my approach is to replace it when I find that the oil is too muddy or there is a faulty lamp on the instrument, and other times I mainly check it.
The first time I changed the brake fluid was 9 years ago, it was the first car I bought, and it was always fine, but one day when I turned it on, a red brake system fault light came out. At that time, I was a novice and didn't know whether the fault light was serious, but I knew that the red fault light meant that it could not be turned on, otherwise something might happen. But I tried it on the spot and found that the brakes were working normally, and I stepped on them and had brakes normally. Later, I cautiously drove to the repair shop and changed the brake fluid for me. In my case, the typical brake fluid is too dirty, and the sensor on the brake oil pot detects that the brake oil is dirty, so the fault light is on, but the brake pump is not stuck, and the brake fluid is not lacking, so my car has a braking effect for the time being. Some friends wondered, how can the brake fluid get dirty when it is in the pot?
In fact, if the quality of the brake fluid is poor, it will be easier to absorb water, and after absorbing water, it will lead to an increase in the water absorption rate mentioned above, which will lead to rust of the piston, and then after the brake fluid comes into contact with these rusts in the process of work, a part of the rust will dissolve into the brake fluid and return to the oil pot, which will cause the brake fluid to become turbid. Therefore, when we check the brake fluid, we must pay attention to see if the brake fluid has become turbid, and if so, we must replace it as soon as possible. The quality of the brake fluid of some cars is better, and the normal car generally does not get dirty, for example, the second-hand car I bought, it has been 9 years old, the brake fluid is still original, and the oil pot is clean, and the Toyota Vios I drove before is the same, I have never changed the brake fluid for 9 years, everything is normal, and there will be no problem if I don't change the car for 2 years like this. To prevent brake failure, we should pay attention to preventing a lack of brake fluid.
Under normal circumstances, as long as your car does not leak brake oil, it is basically not lacking in brake oil, but some cars are not often exposed to the sun and rain, and there will be aging and bulging brake oil pipes, so it is possible that the pressure on the oil pipe during sudden braking exceeds the critical point and oil leakage. The following picture is the most important part of the brake hose, the rest of the pipe is a hard pipe, only this section is a hose, and this pipe will move with the movement of the wheel, it is very easy to bulge and leak.
When we check the brakes, we must pay attention to the steering wheel to one side, and then observe whether there is any abnormality in this tube, once it is found that there is aging and cracking or bulging, it must be replaced immediately. I hope my explanation can help everyone, if you think what I said is useful, don't forget to like the collection, thank you.