How to maintain the braking system of the car?

Statistics show that nearly 1 3 of China's annual traffic fatalities are caused by braking system problems, and at the same time, small accidents caused by braking problems are not uncommon in daily driving. It can be said that the braking system is an important component of driving safety, therefore, learning how to maintain the braking system is a lesson that every car owner must take.

Tip 1: Keep the braking system dry.

Phenomenon: The brake fluid that transmits the braking force has strong water absorption, if water enters the brake fluid, the friction will cause high temperature during the braking process to vaporize the water, and the gas will be compressed in the brake fluid, which will cause the brake to reduce the efficiency or even fail. In the rainy season and other seasons with high air humidity, some brake fluids absorb water more severely, and water droplets can be seen on the brake fluid cup cap.

In addition, the braking system can become wet after the vehicle has been washed or waded into water, causing the stopping distance to become longer or the vehicle to one side when parking.

Tips: When the brake is wet, it is best for the owner to go to the maintenance point for drying, on the one hand, to restore the braking function of the braking system, on the other hand, it will also blow away the sediment brought in by the rain, so as to reduce their damage to the braking system. If the conditions do not allow, the owner can brake lightly at a safe speed, let the brake shoes and the brake drum or brake disc rub and generate heat, evaporate the water, and the owner can step on it several times to achieve the purpose of drying.

However, the owner should remember to brake lightly to prevent the braking system from overheating.

Tip 2: Check the brake fluid height regularly.

Phenomenon: If the amount of brake fluid is insufficient, air will enter and the brake will become insensitive. Therefore, it is best to check the level of the brake fluid regularly every month, pay attention to whether the level of the brake fluid has dropped significantly, whether the quality has deteriorated, and if so, it should be added or replaced in time.

Tips: The tank for brake fluid is made of translucent resin, and if the tank is dirty, it can be wiped with a cloth for a simple visual inspection. The brake fluid should reach the baseline of the storage tank, and if the brake fluid is significantly reduced compared to the previous inspection, there is a high possibility of malfunction and leakage.

At the same time, the manual transmission car is equipped with a clutch, which also requires attention to its fluid level, if the fluid volume decreases and air enters, it cannot be effectively braked.

1. Brake fluid has strong water absorption. When the new car runs for one year, the brake fluid will suck in about 2% of the water, and the water content can reach 3% in 18 months, and the water is enough to reduce the boiling point of the brake by 25%, and the lower the boiling point of the brake fluid, the more likely it is to produce bubbles, form air resistance, cause brake failure or even failure.

2. According to the statistics of the traffic management department, 80% of the brake failures in the accident are caused by excessive brake oil and water and the lack of regular maintenance of the brake system.

3. At the same time, the braking system is greatly affected by the working environment, and once there is a problem, the car is like a wild horse. It is particularly important to clean the buildup and sludge on the surface of the braking system, strengthen the lubrication of the cylinder and guide pin, and eliminate the abnormal brake noise to ensure the safety of driving.

Hello! Let's take a look at the replacement cycle of brake system components!

Brake pads, brake fluid: 2 years or 40,000 km.

Brake disc: 4 years or 80,000 km. Replace the brake disc twice and change the brake disc once.

Check the level height of the brake fluid every year, between the maximum and minimum values.

Develop good driving habits, to brake gently, gradually run in, if the new car is in a rough driving state, brake hard, it is easy to make the brake disc cause hard injuries, affecting the braking performance and the service life of the brake disc.

Hope it helps!

This is a procedure that should not be taken lightly, as it has a great impact on driving safety. Basically, it is required to check the height of the brake fluid every month or two, if the fluid level is lowered, it means that there is a leak, and you have to find a repair shop immediately. Brake pads (friction pads) are inspected approximately every 150,000 kilometers and must be replaced if they are found to be worn out or about to wear out.

If you feel that the brakes are not very effective while driving, or there is a noise, you should check it in time.

Car replacement brake disc** is around 200 to 400:

1. The brake pad generally does not need to be replaced, unless the brake disc is rusty or worn too much;

2. The replacement check is to touch the surface of the brake disc with your hands, the new brake disc is smooth, if you touch the brake disc with a very obvious scratch feeling, it is recommended that you replace the brake disc;

3. The maximum wear limit of the brake disc is 2 mm, and it is necessary to replace the new brake disc after the limit is used. The braking effect will be reduced, which will seriously affect your driving safety. The occurrence of this phenomenon indicates a reduction in the contact surface between the brake disc and the brake pads.

<> "How to maintain the braking system of the car.

1. Change the brake fluid regularly.

Brake fluid has hygroscopicity, the water content of brake fluid increases for a long time, the boiling point decreases, and it is easy to steam.

Liquids are incompressible, gases are compressible, resulting in a reduction in braking force or even none. Brake fluid specifications: Select the brand of brake fluid according to the label "dot3" or "dot4" on the brake fluid cap.

2. Regularly self-check the thickness of the brake pads.

Regularly self-check the thickness of the brake pads and replace the brake pads. The thickness of the brake pads of the new car is about 15mm, and the vehicle will be accompanied by the wear and tear of the brake pads during the normal driving process.

Under normal circumstances, the front brake pads need to be replaced every 30,000 kilometers, and the rear brake pads need to be replaced every 5-60,000 kilometers, but because of the different weights, users, and road conditions of each model, the wear and tear is also different.

3. Regularly check the unevenness of the surface of the brake disc.

Why do brake discs rust so often?

Because the brake disc of the car is a cast iron component, usually washing the car, driving in rainy days, wading driving, snow driving, frost or in a humid environment, after the car is parked for a period of time, the surface of the brake disc of the car will produce rust. This is a normal phenomenon of oxidation and rust of cast iron parts after being exposed to water, so car owners do not need to worry too much.

If the brake disc only has a slight relief on the surface, it can be removed by continuously pressing the brakes while driving the car, and the friction between the brake caliper and the brake pads can be removed to restore the brake disc to its original state. When performing a brake disc self-test, if it is found that the pits on both sides have been worn and level with the surface. This means that the brake disc is thinner.

This will make the brake pedal travel longer, the braking force will be weakened, and the brake disc will need to be replaced at this time to avoid brake failure and driving safety.

Brake system maintenance method guess clearly: 1. Use professional brake disc cleaning agent, please fully shake the liquid in the tank before use, spray it directly on the parts that need to be cleaned, until the dust and oil stains are completely removed, wipe it clean with a clean towel, and leave no dust and residual liquid; 2. Use professional brake cylinder guide pin lubricant, wear single-finger gloves, and evenly apply the product on the surface of the guide pin and guide pin groove of the front car pump next to the brake ear, and do not mix with other mineral lubricating oil; 3. Use professional brake pad high-temperature protector, wear one-finger gloves, and evenly apply the product to the back of the brake pad and the sliding groove at both ends of the brake pad; 4. Use a professional high-temperature anti-bite lubricant, wear one-finger grip gloves, and evenly apply the product to the metal contact surface between each tire screw rod and tire bell and wheel hub.

1. Use a professional brake disc cleaner, shake the liquid in the tank fully before use, spray it directly on the parts that need to be cleaned, until the dust and oil stains are completely removed, wipe it clean with a clean towel, and leave no dust and residual liquid;

2. Use professional brake cylinder guide pin lubricant, wear one-finger gloves, evenly apply the product on the surface of the brake cylinder guide pin and the guide pin groove, and do not mix with other mineral lubricating oils;

3. Use professional brake pad high-temperature protector, wear one-finger gloves, and evenly apply the product to the back of the brake pad and the sliding groove at both ends of the brake pad;

4. Use a professional high-temperature anti-bite lubricating agent, wear one-finger gloves, and evenly apply the product on the metal contact surface between each tire screw and the tire bibi bell and the wheel.