How Often Should Car Brake Fluid Be Changed?

1 Answers
OIan
07/30/25 8:14am
Car brake fluid should generally be changed every 4-5 years. Below is relevant information about car brake fluid: 1. Function: Brake fluid, also known as hydraulic brake fluid, is an essential part of the braking system. It serves as the liquid medium that transmits brake pressure in hydraulic braking systems, used in vehicles equipped with hydraulic braking systems. Within the braking system, it acts as a force-transmitting medium. Since liquids cannot be compressed, the pressure output from the master cylinder is directly transmitted to the wheel cylinders via the brake fluid. 2. Characteristics: Car brake fluid has a very low freezing point, ensuring good fluidity in low-temperature conditions. It also has an extremely high boiling point, preventing vapor lock in high-temperature conditions. When using car brake fluid, you will notice minimal quality changes, and it does not cause corrosion to metals or rubber.
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