What should be noted when using brake fluid?

1 Answers
Giselle
07/24/25 6:15am
Precautions for using brake fluid include regular replacement of automotive brake fluid, strict prohibition of mixing different brake fluids, and correct selection of brake fluid products. Specific precautions are as follows: Regular replacement of automotive brake fluid: After a certain period of use, brake fluid may degrade in performance due to moisture absorption and chemical changes, thereby affecting driving safety. Therefore, brake fluid in use should be replaced regularly. There is currently no specific regulation on how often it should be replaced. Generally, it is replaced during vehicle inspections when the piston cups of the master cylinder and wheel cylinders need to be replaced. Strict prohibition of mixing different brake fluids: Since different types of products use different raw materials, additives, and manufacturing processes, mixing them may result in turbidity or precipitation, which is difficult to detect without careful observation. This not only significantly reduces the performance of the original brake fluid but also causes serious consequences such as blocked pipelines and brake failure due to precipitated particles. Correct selection of brake fluid products: Generally speaking, selecting brake fluid products according to the requirements of the vehicle's user manual is the most reasonable and reliable. Automobile manufacturers conduct thorough verification and extensive vehicle tests when recommending brake fluids. In addition to specifying standard brands with codes, the manual usually also provides alternative brands with codes.
Was this review help?
3
2
Share
More Forum Discussions

What are the symptoms of low oil in a manual transmission?

Manual transmission low oil symptoms: There will be abnormal noise from the transmission, difficulty in shifting gears, and in severe cases, it can burn out internal transmission components, leading to the transmission being scrapped. A manual transmission, also known as a mechanical gearbox, requires manually moving the gear lever to change the gear meshing positions inside the transmission, altering the gear ratio to achieve the purpose of shifting. The transmission mainly refers to the car's gearbox, which is divided into manual and automatic types. The manual transmission mainly consists of gears and shafts, achieving speed and torque changes through different gear combinations; the automatic transmission (AT) is composed of a torque converter, planetary gears, a hydraulic torque variation system, and a hydraulic control system, achieving speed and torque changes through hydraulic transmission and gear combinations.
10
2
Share

What to Do When Car Windows Fog Up?

Press the defogger button, turn on the air conditioning (A/C) switch, set the temperature to the lowest, and turn on the external circulation to defog. You can use either cold or warm air to defog car windows, but warm air is slower than cold air. The most effective method is to use cold air, which blows dry cold air directly onto the glass, preventing water vapor from condensing on the glass and achieving the purpose of defogging. The method of using warm air to defog is the same as using cold air, but it is important to note that warm air should not be used for defogging on rainy days, as it may initially worsen the fog. When car windows fog up, always use the external circulation. The reasons for car windows fogging up: There is a certain temperature difference between the inside and outside of the car. If the temperatures inside and outside the car are different, the surface of the lower-temperature side will have a lower saturated vapor pressure than the surrounding environment, causing water vapor to gather on the glass surface and form tiny water droplets, resulting in fog. Methods to defog car windows: Air Conditioning Cooling: Use the air conditioning's cooling and dehumidifying function to reduce air humidity and remove fog. In summer, especially when multiple people enter the car and the air conditioning is not turned on promptly, the exhaled air has high humidity, and the windshield will quickly fog up. At this point, you can turn on the air conditioning to blow cold air onto the windshield, using the dehumidifying function to remove the fog quickly. If the humidity is too high and the air conditioning is not effective enough, you can slightly open the windows to quickly reduce the humidity inside the cabin. Of course, combining both methods will yield faster results. Air Conditioning Warm Air: Use the method of reducing the temperature difference to remove fog. In winter, use warm air to blow hot air onto the glass, quickly raising the temperature of the front glass and reducing the temperature difference between the inside and outside surfaces of the window. This can prevent excessive fogging on the windshield. However, it should be noted that the rear and side windows heat up more slowly, so it takes longer to remove all the fog. Whether the air conditioning is automatic or manual, turning it on helps with dehumidification. Do not set the air conditioning temperature to the coldest position, as this may cause frost to form on the outside of the windshield over time. Spraying Anti-Fog Agents for Prevention: Spray a small amount of defogging agent onto the car windows and wipe it clean to remove dirt and stains. While polishing the glass, a thin transparent protective film is formed on the glass, effectively preventing water vapor from condensing and forming fog. This is especially suitable for cold winters. Alternatives to anti-fog agents include dish soap, soapy water, glycerin, alcohol, or salt water. After applying, let it dry and then wipe off excess residue with a chamois or soft dry cloth. This will keep the car windows fog-free for several days. Opening Windows for Airflow: If the fog inside the car is not too heavy, you can open the windows on both sides to create airflow between the inside and outside of the car, reducing the temperature difference and allowing the fog to disappear slowly. The principle of this method is the same as using cold air from the air conditioning. The downside of opening windows for airflow is very obvious—it cannot be used during rain, snow, on highways, or when the fog is heavy. Rear Windshield Heating: Most cars have a rear windshield electric heating function, although the button positions may vary, the function is the same. Turn on the windshield heating switch, and the fog on the rear windshield will disappear in about a minute.
20
5
Share

How Often Should Manual Transmission Fluid Be Changed?

Manual transmission fluid should be replaced when the vehicle reaches approximately 30,000 kilometers. If the vehicle is not used frequently, it can be changed at around 50,000 kilometers. Transmission fluid is the lubricant used in the transmission system, and its primary function is to lubricate the various components inside the transmission, ensuring it operates smoothly. The main purposes of transmission fluid are to keep the gear-shifting system clean and to lubricate the transmission components, thereby extending their lifespan. Due to differences in transmission design, transmissions are categorized into manual and automatic types. Each transmission design has specific technical requirements, and even the same transmission model installed in different vehicle models will have its own designated specialized transmission fluid as specified by the manufacturer.
2
1
Share

Where is the rear wiper switch for the Volvo XC60?

Volvo XC60's rear wiper switch is located on the right side of the steering wheel, where there is a wiper lever. Below is more related information: Introduction to the wiper: 1. You can activate the rear wiper by pushing the wiper lever forward or backward. This operation differs from the up-and-down movement of the front wiper switch. Pushing the lever forward or backward controls the rear wiper's on/off function, intermittent swinging, automatic mode, and washer fluid spray. The rear wiper is the wiper for the rear windshield of the car. Rear wipers are commonly equipped on SUVs, MPVs, hatchbacks, and some liftback vehicles. 2. Sedans have a more inclined rear glass, while hatchbacks have a less inclined angle. The front wipers are hidden behind the engine hood, so when high-speed airflow passes over the front of the car, it is blocked by the hood, preventing any impact on the wipers.
16
3
Share

Where is the rear drainage outlet for the sunroof of the Audi A4?

The door drainage outlet is located at the very bottom when the door is opened. Below is an introduction to the Audi A4: 1. Introduction: As the first model to introduce the long wheelbase and turbo concept, from B5 to B8, the sales of the A4L have remained strong. The new A4 has abandoned the teardrop design, added the quattro four-wheel drive mode, and features a more fashionable and sporty appearance, with outstanding power and handling. The interior of the model is exquisitely crafted, rich in technological configurations, and spacious, offering good practicality among B-class models. 2. Achievement: The Audi A4 produced by FAW-Volkswagen is the first B-class sedan of an international luxury brand in China, filling the gap in the domestic B-class sedan market and consolidating FAW-Volkswagen's leading position in the domestic luxury car market. This was quite significant at the time, and judging by the sales of the Audi A4 in China, it has indeed been successful.
8
1
Share

Is it safe to drive a 15-year-old car on the highway?

As long as the vehicle has passed the annual inspection, it is allowed to drive on the highway. According to current Chinese laws and regulations, there is no longer a mandatory retirement age for private cars, but they will be forcibly scrapped once the mileage reaches 600,000 kilometers. Here is additional information about car retirement: 1. Retirement period: As required, vehicles over 15 years old will face more complicated annual inspections, needing to be inspected every 6 months. If they fail the inspection, they will be forcibly scrapped. This is because the engine's design lifespan is 15 years. For vehicles over 20 years old, they need to undergo four regular inspections annually, and if they fail, they will be forcibly scrapped. 2. Chassis tuning: The stability of a car at high speeds mainly depends on the chassis tuning and has nothing to do with the car's weight. If a car has a higher chassis and softer shock absorbers, its stability at high speeds will be relatively poor.
18
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.