Compared to most private car owners, brake fluid (brake oil) is one of the few things they care about and understand. Speaking of the engine, talking about fuel consumption, talking about the brand, I believe every car owner can say A few words, when it comes to brake fluid, the people who really know about it are rare.

The higher the brake oil level, the better?

The answer is yes.

The situation of the National Standard for Brake Fluid searched by the reporter from the website of the National Standards Industry Association is: In January 2004, China implemented the national mandatory product standard GB12981-2003 "Brake Fluid for Motor Vehicles" which is in line with international general standards. . According to GB12981-2003 "Brake Fluid for Motor Vehicles", brake fluid is divided into HZY3, HZY4, and HZY5. Corresponding to the international DOT3, DOT4, DOT5. The level of brake fluid is high or low. Is it better for consumers to choose higher levels of brake fluid? An expert from Sinopec Great Wall Lubricant Company told the reporter that the higher the brake fluid level, the better the safety protection. Under normal circumstances, micro-, mid-range and low-end vehicles are suitable for selecting brake fluids that meet the HZY3 standard, while mid-to-high-end vehicles are recommended to select the standard brake fluid for HZY4. Of course, micro, mid-range and low-end cars do not have any problems with HZY4, and they are even better.

Brake fluid is closely related to life?

The answer is yes.

According to the researcher Yan Zili, one of the drafters of the national standard for brake fluid, the quality of brake fluid is directly related to the safety of the vehicle. In 2005, nearly 100,000 people in China lost their lives to various types of traffic accidents. One of the important factors was the lack of vehicle braking and brake failure. Because of this, countries all over the world have always attached great importance to the regulation of brake fluids, and Western developed countries have incorporated them into the scope of road safety regulations to control them. In China, brake fluids are subject to the national industrial product production license management. Technical experts from Great Wall Lubricant Company told the reporter that Western countries are very demanding about DOT standard formulation, which is not a simple deployment. Many low-quality low-quality brake fluids on the domestic market are marked with the DOT3 standard. In fact, the quality of the products is not qualified.

Brake fluid must be changed for two years

The answer is also yes.

According to Wei Junqiang, chief engineer from the Beijing Automobile Repair Company, the brake fluid has a water absorption feature, and it will corrode the brake system if it is not replaced for a long time, which will bring hidden trouble to the vehicle. He suggested that the owner of the vehicle, the brake fluid is generally mandatory for replacement of two years or 40,000 kilometers.

Wei Gong said that the true qualified brake fluid has several characteristics: that is, in the high temperature, cold, high speed, hot and humid conditions and other conditions to ensure the flexible transfer of braking force; the brake system of metal and non-metallic materials is not corrosive; Can effectively lubricate the moving parts of the brake system, extending the service life of brake cylinders and cups.

"If the owner himself will not choose brake fluid, I suggest that they go to the regular 4S shop to do the replacement. There is relative protection." Wei Gong suggested.

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