How to avoid the brake fluid resistance phenomenon?
1. Use high quality brake fluid whenever possible. Because the high-quality brake fluid has strong anti-gas resistance performance, the ordinary brake fluid has a low boiling point, driving in the mountains in summer, long-term braking control of the vehicle speed, and the brake fluid temperature exceeds its boiling point by more than 100 °C for a short time, which is easy to generate air resistance. The local brake failure is caused, and the consequences are unimaginable. It is generally recommended to use domestic synthetic brake fluid, Chongqing Yiping 4603, Great Wall Gold. The synthetic brake fluid has excellent performance, is not easy to generate gas resistance when used at high temperature, is not easy to solidify at low temperature, and has smooth oil passage, thereby ensuring the sensitivity and reliability of the brake system.
2. Avoid frequent use of brakes on high-speed driving. In case of sudden braking in advance, the brake will be decelerated. If it is not necessary to take emergency braking, if it feels that the brake is not sensitive, stop it immediately.
3. Regularly check and replace the brake fluid. The brake fluid of the car must be inspected before use. If a white precipitate is found, the impurities should be filtered before use. Avoid mixing different types of brake fluid. The brake fluid is usually changed once every two years. Due to the strong hygroscopicity of the brake fluid, it is best to avoid the rainy season replacement. When replacing, do not mix water and other oils, and be sure to wash and dry the brake fluid system.
4, when the hot summer is driving for a long time, you can pack the warm master cloth on the brake master cylinder to cool it, bring the water, and often drop the water on the wet cloth to cool down, which can achieve the effect of preventing air resistance.
5, how to replace the brake fluid
The dual-circuit hydraulic brake used in the mini-car has the advantage that when any one pipeline fails, the other pipeline can still work normally, thus ensuring the safety of driving. Taking the Wuling car as an example, equipped with a vacuum booster, the brake is easy to operate.
When the driver checks for brake fluid shortage, the brake fluid of the same kind should be replenished in time. When the brake fluid is replaced, the brake pipe, brake hose, brake master cylinder or cylinder is removed, or the brake pedal is felt. If it is too soft and there is no leakage, if the existing air is frequently used in the pipeline, it should be exhausted in time to debug the brakes. The exhaust should start from the sub-pump away from the main pump. The method is as follows: the brake fluid storage tank is added with the brake fluid to the highest liquid level indication, one end of a transparent hose is connected with the vent screw, and the other end is placed below the brake fluid surface in a transparent container. Press the brake pedal several times, and when the pedal is in the depressed position, loosen the bleed screw on the cylinder to prevent the brake fluid mixed with air bubbles, and immediately tighten the air-proof screw. The above operation is repeated until the liquid flowing out of the sub-pump no longer contains bubbles. Finally, tighten the anti-gas screw, install the dust cap of the anti-gas screw, add the brake fluid into the liquid storage pot to the specified position, and cover the liquid storage pot lid.