Recently, some netizens in the video commented that "the brake fluid does not need to be changed, his car brake fluid has not been changed once in 10 years, so there is no need to change it regularly", this comment came out as soon as the majority of netizens praised it continuously, as if this netizen was regarded as a model, but as a practitioner, I want to say that the words of netizens are only half right, and the brake fluid can not be changed regularly, but there are prerequisites! This is directly related to the car environment, so let's talk about it with you.
If you follow the recommendations of the maintenance manual or the 4S shop, the replacement cycle of brake fluid is 2 years or 40,000 kilometers, but in the actual use of the car, there are few regular replacement owners, most of the reasons are because it is expensive and frequent. As mentioned above, the old driver's concept of brake fluid is that there is basically no need to change it...
But in fact, this is very dangerous, for example, if you don't change the brake fluid for a long time, the foot feel of the brake will become soft, there is a feeling of not being able to brake, and serious conditions can really lead to brake failure! This is because brake fluid is hydrophilic, it will absorb moisture in the air, and the working temperature of brake fluid is very high, generally above 200 °C, but the boiling point of water is only 100 °C. When you brake hard, the temperature of the brake fluid can reach more than 300 °C, and the moisture in the brake fluid instantly boils to form small bubbles, which makes your braking performance decrease and the braking distance becomes longer, causing danger. I may not be alarmist in saying this, but this is the characteristic of brake fluid.
So what if you can not only ensure the quality of brake fluid but also save money? Here are a few things I suggest you try:
(1) When the car is maintained after more than 40,000 kilometers, the moisture content of the brake fluid must be checked. It is recommended to take the initiative to ask the master to test with a test pen, if the oil content of the brake fluid exceeds 3%, it must be replaced, and there is a risk of brake failure if it is not replaced.
(2) Check the color of the oil, generally the brake fluid is pale yellow is very beautiful, if the brake fluid turns black, brown or there is sediment, it must also be replaced!
(3) If you feel soft and soft when you step on the brakes, and the stroke of the brake pedal is particularly long and not as strong as before, then there is a high probability that you need to check the brake oil, which may be caused by a lot of water content.
(4) Pay attention to check the liquid level of the brake fluid, if it is lower than the scale line, add it in time, but pay attention to distinguish the model of brake fluid (mostly DTO3/DOT4), don't add the wrong mix!
(5) It is recommended not to change the brake fluid by yourself, and do not try to change the brake fluid by yourself just because you watched the instructional video on the Internet! First of all, professional people do professional things, and it is not recommended to try if they are not professional, and secondly, brake fluid is related to life safety, don't take your own safety as a child's play! If the air in the brake line is not drained during the replacement process, you will find that there is no brake when you urgently need the brake, which is definitely not groundless!
Summary: Brake fluid is related to the maintenance of safety, it is recommended that you pay more attention, if you want to save money then you will not suffer a loss if you adopt the above points, if you have any questions, you can leave a message with me in the comment area to interact.