How often should brake fluid be replaced?

Brake fluid should generally be replaced every 2 years or 40,000 kilometers. Due to its moisture-absorbing properties, prolonged use without replacement can corrode the braking system. It is recommended that vehicle owners regularly replace the brake fluid under normal circumstances.

There are two ways to determine if a car's brake fluid needs replacement:

1. Determine if the brake fluid needs replacement by its color. New brake fluid is light yellow in color and free of any impurities. In contrast, aged brake fluid appears significantly darker and contains numerous impurities.

2. Use a conductivity tester to measure the water content in the brake fluid. The higher the water content, the more necessary it is to replace the automotive brake fluid. Brake fluid is hydrophilic, meaning the more water it contains, the better its conductivity will be. If the water content is low, replacement is required.

How often should brake fluid be replaced?

1. Brake fluid, also known as brake oil, should typically be replaced every two years or after driving 50,000 kilometers under normal usage conditions. However, this interval is not fixed and the actual replacement time may vary depending on the frequency and condition of vehicle use.

2. If the vehicle has been driven continuously for 40,000 kilometers or the brake fluid has been in use for more than 3 years, it is recommended to replace it promptly to ensure stable performance of the braking system.

3. Generally, brake fluid should be replaced every two years or after driving 40,000 kilometers. If the vehicle's mileage is relatively low, the replacement interval can be appropriately extended. However, over time, the boiling point of brake fluid may decrease, and it can become contaminated and oxidized, making regular inspection and replacement crucial.

4. After a certain period of use, the boiling point of brake fluid may decrease, and the degree of contamination and oxidative deterioration may increase. Therefore, it is recommended to regularly inspect the quality and performance of the brake fluid based on factors such as climate, environmental conditions, seasonal changes, and vehicle operating conditions, and replace it when necessary.

5. Typically, the maintenance cycle for brake fluid is around four years. However, certain vehicles, such as mid-to-large-sized cars and performance vehicles, may require more frequent brake fluid changes due to their higher demand for braking force.

6. The replacement interval for brake fluid is not only influenced by the vehicle type but also affected by factors such as driving environment and driving habits. Therefore, in practical operation, it is recommended to determine the optimal replacement interval based on the actual condition and usage of the vehicle.