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Expert hints: brake fluid influence performance
  • Automotive

If you are driving a car at a high speed, you suddenly find that there is a situation in front of you to stop immediately, but when you step on the brake, you find the brakes fail. The consequences are terrible. The brake system of a car is related to the safety of the owner, which is well known to the owners of the car, but little is known about the brake fluid. Many owners often buy back a new car until the vehicle is damaged, not to be checked and replaced. Recently, when we were riding a bus in the city of Xi'an, the vehicle suddenly showed the brake effect weakened. The driver quickly checked the car and found that the brake oil was not enough to cause the car to stop. Brake oil is commonly known as brake fluid, which is used to transfer the braking power of the vehicle owner to the brakes. The quality of brake fluid and its reasonable use directly affect the braking performance and driving safety of vehicles, so they are regarded as safe oil. Zang de Zang, the technical director of the 4S shop in Shaanxi, Changan, told us that the car will increase the temperature of the brake system when it is used in a long time brake or high temperature season, such as the use of low boiling brake fluid. At high temperature, the brake fluid will be evaporated to make the brake system pipeline filled with steam, resulting in gas resistance, thus blocking the diversion pipe of the brake fluid. It causes the brake failure. In order to ensure the safety of the vehicle, in addition to the high boiling point of the brake fluid, it is required to have good fluidity, proper viscosity and good corrosion resistance. Different specifications of the brake fluid can not be mixed freely when we open the car engine cover, generally in front of the driver has a white semitransparent oil pot, this is the place to join the brake fluid. The oil level can be seen through the oil pot, and the scale of the upper and lower limit is indicated outside. If the liquid level is in its range, the brake fluid volume is normal. When the brake fluid is added, we should pay special attention to the different specifications of the brake fluid that can not be mixed. The same specifications of brake fluid produced by different manufacturers do not mix as much as possible. Otherwise, there will be different layers or chemical changes due to different formulations, which affect the performance of the brake fluid and reduce the braking efficiency of the car. If there is no same brake fluid produced by the same manufacturer, the brake fluid in the brake system should be replaced to ensure safety. No water or mineral oil can be mixed into the liquid, otherwise it will easily produce air resistance. As the brake fluid moves back and forth in the brake pipe, the metal powder of the brake general pump and the sub pump will permeate the brake fluid. After a period of time, the impurities will be produced. This will directly affect the braking force of the vehicle, which shows that the brake of the car is "soft". Therefore, generally speaking, the owner must replace the brake fluid every 30 thousand years or between 60 thousand and a kilometre. Warm reminder to see if your car brake fluid should be changed. Each manufacturer has specified the replacement time and mileage of the brake fluid for the car it produces. Generally speaking, the same vehicle type, the replacement time and mileage standards are basically the same, but there are also individual models slightly different. In the end, when to replace the brake fluid, or to the 4S shop for inspection and consultation. The main car system brake fluid replacement standard reference: when the expert recruitment failure can "grab" retarder brake oil is not enough to stop the bus stop in the bus, fortunately only "effect weakened", or not a car passengers may be suffering from "skin and flesh". The accident can be said to be a surprise, but it also gives the owner a alarm. What should the driver deal with in the face of the possible failure of the brake? Zhang Yong, a driver with years of driving experience, told us that the most important thing about the sudden failure of the brakes is that the driver must keep a cool head, hold the steering wheel, and try to control the direction. At the same time, the driver can reduce the speed by using the hand brake or "robbing". Do not pull tightly or pull too slowly at the time of holding a hand. Too tight will cause the tyres to "lock", damage the transmission parts and lose the braking ability; too slow will cause the brake disc to wear, ablate and lose the braking force.

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