What is the usage method of automotive brake fluid?

1 Answers
StRobert
07/29/25 1:23pm
For different types of brake fluid, they should not be mixed together, as this will reduce the braking effectiveness of the vehicle; do not mix gasoline, diesel, or engine oil into the brake fluid. Below is a related introduction about brake fluid: Properties: Automotive brake fluid is the liquid used in hydraulic braking systems. It must not undergo chemical reactions, be unaffected by high temperatures, and should not cause corrosion, softening, or expansion to metals and rubber. The commonly used types include DOT3, DOT4, and DOT5. Regular Replacement: The volume of brake fluid changes with temperature variations. Therefore, the brake fluid reservoir is equipped with a vent hole. The air drawn in through this hole may contain moisture or impurities, and the moisture can be absorbed or dissolved by the brake fluid, reducing the boiling point of the moisture-containing brake fluid. When a vehicle brakes during prolonged driving, the temperature of the braking system rises, making the brake lines prone to vapor lock. The compressed air can lead to reduced braking force or even brake failure. Thus, for driving safety, brake fluid must be replaced regularly.
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