Do I Need to Replace Brake Fluid When Changing Brake Discs?

1 Answers
McDominic
07/30/25 2:58am
Replacing brake discs does not require changing the brake fluid. There is no inherent connection between the replacement cycles of the two. Brake fluid generally needs to be replaced when its water content exceeds 4%, whereas brake discs do not have a fixed replacement interval. The recommended replacement cycle for brake fluid is every 2 years or 40,000 kilometers. Introduction to Brake Fluid: Brake fluid is also known as hydraulic brake fluid. It has a specific water content ratio, and when the water content becomes too high, it must be replaced promptly. Brake fluid naturally absorbs moisture, and over time, water from the air can seep into the brake fluid reservoir through the vent hole, leading to excessive water content in the brake fluid. Function of Brake Fluid: It effectively lubricates the moving parts of the braking system, extending the service life of brake calipers and rubber cups.
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