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How often to change brake fluid

Blog 1年前 (2023-02-10) 116 Views

carBrake FluidThe replacement cycle of the car is about 2 years, or every 40,000 kilometers of driving kilometers. If you feel that the brakes are not as easy to use as before when driving, you can replace them with new brake fluid. The specific replacement cycle of the brake fluid will be affected by the driving habits of the car owner. If the driving habits of the car owner are more aggressive, the brake fluid needs to be replaced earlier.

From the water content of the brake fluid, we can also know whether the brake fluid needs to be replaced. When the water content is greater than 3%, the brake fluid needs to be replaced as soon as possible. If the water content is greater than 5%, it needs to be replaced immediately, otherwise the driving safety cannot be guaranteed and it is very dangerous.

Specific effects of excessive water content in brake fluid

1. If the water content is high, the brake cylinder is relatively easy to rust. If the brake cylinder is rusted, it will greatly reduce the efficiency of the brake system;

2. If the water content is high, the boiling point of the brake fluid will change, so the probability of air resistance will increase, resulting in brake failure, which is very dangerous. When the water content of the brake fluid is 3%, The boiling point of brake fluid will be about a quarter lower than normal.

Whether the brake fluid needs to be replaced depends on the actual situation. When the brakes become soft, the braking distance will be much longer. Then you need to go to the repair shop for inspection as soon as possible, and use a special instrument to check whether the brake fluid is oxidized, or to see the specific water content. If the detected water content is greater than 3%, then the brake fluid can be replaced.