When should I change the brake fluid?

February 23, 2023

Brake fluid, also known as brake oil, is the fluid used to transmit pressure in the hydraulic braking system of an automobile. Since its advantages and disadvantages are directly related to the reliability of the brakes, the choice of brake fluid is crucial to the safety of the rider and must not be taken lightly.
According to Wei Junqiang, chief engineer of Beijing Auto Repair Company, brake fluid has water absorption characteristics, and if it is not replaced for a long time, it will corrode the brake system and bring hidden dangers to the vehicle. He suggested to car owners that the brake fluid is generally mandatory to be replaced every two years or 40,000 kilometers.

Wei Gong said that a truly qualified brake fluid has several characteristics: that is, it can ensure the flexible transmission of braking force under conditions such as high temperature, cold, high speed, and humidity; the brake system of metal and non-metal materials is non-corrosive; it can effectively lubricate The moving parts of the brake system, extending the service life of brake cylinders and brake cups.

"If car owners don't know how to choose brake fluid, I suggest that they go to a regular 4S store to replace it, which is relatively guaranteed." Wei Gong suggested.

美国汽车修理/保养需要了解的事┃造成原因详情解释附：故障及部件完整英语对照-北美省钱快报Dealmoon.com 攻略

When should I change the brake fluid?
1. The brake fluid must be replaced when the normal vehicle travels 40,000 kilometers or the brake fluid has been used continuously for more than two years. Because the brake fluid will deteriorate after a long time, it should be replaced in time to avoid affecting the impact. Braking System.

2. If the vehicle is on the way of normal driving, the brake fluid should be replaced when the brakes are suddenly heavy. Before changing the brake fluid, the brake system of the vehicle should be cleaned with alcohol.

3. When changing seasons, especially in cold winter, if the braking effect of the car is found to decrease, the brake fluid should be replaced. Because the existing brake fluid is probably not suitable for use in winter, and the new brake fluid should be low viscosity brake fluid at low temperatures.

4. For a vehicle equipped with a brake fluid level alarm device on the vehicle, the owner should observe whether the alarm indicator is flashing and whether the alarm sensor performance is good. If it is found that the brake oil is insufficient for timely addition, the stored brake fluid should be maintained between the calibrated minimum volume scale and the highest volume scale.

If you have any questions, please contact our team.

Guangzhou Lidi Automobile Supplies Co., Ltd. is a manufacturer specializing in the production of car care products. It has more than 16 years of experience.

Main products: Car Care Spray, Lubricants , Coolant, Antifreeze, Engine Additives, etc.

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