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List of contents of this article:

• 1, Why should antifreeze be added to the car tank in winter? What's the function?
• 2、What to do if the car engine is frozen
• 3, What is the working principle of antifreeze?
• 4, Is it enough to add antifreeze to protect the engine in winter? Why?
• 5, Engine such as How to prevent freezing

Why should antifreeze be added to the car tank in winter?What's the function?

1. In winter, adding antifreeze to the car water tank is a way to increase the temperature of the water tank in order to better protect the water tank from cold weather. Antifreeze is a liquid used to cool the engine. It contains components that prevent engine parts from freezing and can prevent engine damage.

2. The full name of antifreeze should be antifreeze coolant, which means coolant with antifreeze function. Antifreeze can prevent the coolant from freezing and cracking the radiator and freezing the engine cylinder block or cover when parking in the cold winter. Many people think that antifreeze is only used in winter, but in fact, antifreeze is used all year round.

3. The temperature is low in winter. In order to continue to use the car at low temperatures in winter, some substances that can reduce the freezing point of water are added to the engine coolant as antifreeze to keep the cooling system from freezing in low temperature weather.Therefore, coolants are sometimes called "antifreeze" or "unfreeze".

4. Another function is to cool the engine after the vehicle starts. Prevent excessive engine temperature from causing engine damage. Antifreeze also plays a role in managing rust prevention and preventing excessive scale from causing pipe blockage. Antifreeze is generally replaced about once every 2 years and 6W kilometers.

What to do if the car engine is frozen

Or splash the bottom shell of the engine with warm water. Remember that the water temperature should not be too high, generally the water temperature is 60 degrees. In order to prevent the car from being frozen in winter, the owner can add a cotton car jacket to the vehicle cover after parking, which can not only keep warm but also play an anti-theft role. It is also more convenient to clean up the snow on the car the next day.

You can splash the bottom shell of the engine with hot water. Open the hood and let the engine bask in the sun. Replace the oil with a lower freezing point for the vehicle in time. The freezing point of No. 0 diesel is 0℃, and the freezing point of No. -10 diesel is -10℃. Heat the engine, which can be heated with the special heating rod of the engine.

If something happens, please call the service station for rescue, or find a car to check it, or temporarily hit the fire. After that, you must go to the service station to recharge the battery. The flow of gasoline is blocked. The performance is characterized by no oil pressure in the engine oil supply pipe. This situation mostly occurs in the morning when the temperature is particularly low, which is caused by long-term dirt on the fuel pipeline.

It should be that the oil has become very sticky because the temperature is too low. The engine start-up resistance is very large, and the starting motor cannot reach the minimum starting speed, resulting in the engine not being ignited.

How to open the hood of the car: The switch of the hood of the car is in the cab, and after turning it on for 100. Open the hood, the support rod is firmly supported, and there is also a hydraulic support rod. Only after confirming that the support is firm can the inspection and maintenance work be carried out. Prevent the hood from falling off and hurting people.

What is the working principle of antifreeze?

The principle of antifreeze is that some substances that can reduce the freezing point of water are added to the engine coolant as an antifreeze to prevent the cooling system from freezing in low temperature weather. Car antifreeze is also called antifreeze or nonfreeze.

The principle of antifreeze is that some substances that can reduce the freezing point of water are added to the engine coolant as an antifreeze agent to keep the cooling system from freezing in low temperature weather.

The working principle of automobile antifreeze is that when the antifreeze or water is mixed with body oil, it will cause oil stains, glue, weaken lubrication, and bond the hydraulic valve push rod to the piston ring. Antifreeze should minimize the scale in the circulation, so as not to block the circulation pipeline and affect the heat dissipation function of the cooling system.

Is it enough to add antifreeze to protect the engine in winter? Why?

Add antifreeze. In winter, the engine is managed like this, and the antifreeze is also a protective agent. In winter, the temperature outside the room is very low, so if you want to start the car normally, you must ensure enough antifreeze. Otherwise, the water tank is easy to freeze and cannot circulate normally, and the vehicle will break down.

Be sure to add it.The function of antifreeze: cooling cooling is the basic function of coolant. The engine generates a lot of heat when it works, of which 60% of the heat is emitted to the surrounding space through the cooling system.

Anti-rust Finally, antifreeze can also prevent rust, because better quality antifreeze can avoid rust in the cooling system. If the cooling system rusts, it will cause some wear and tear in the engine or reduce thermal conductivity.

Antifreeze needs to be used in winter, because the main function of antifreeze is to prevent the antifreeze from freezing and cracking the engine cylinder when the engine is turned off. Although it is in the southern region, sometimes the temperature is below 0 degrees. The work in the engine is to cool the engine.

When winter comes, the temperature drops. If the vehicle does not use antifreeze, the engine may burn out and the transmission will crack.Therefore, the use of the car requires the addition of antifreeze to protect the vehicle.

How does the engine prevent freezing

1. Adopt coatings and additives to avoid freezing physical methods, including adding anti-icing liquid, changing the nature of surface contact, etc. The actual application is mainly liquid anti-icing: supplying anti-icing liquid to the anti-icing surface and mixing it with the water collected on the surface of the aircraft, so that the freezing point of the mixture is lower than the surface temperature, so that the water does not freeze on the surface.

2. Avoid the ice resistance of the radiator. Start the engine first and add cooling water. It is difficult to start the engine in the harsh winter season. Sometimes after adding cooling water, if the engine cannot start quickly, the cooling water will freeze.

3. Add and replace the antifreeze in time. When driving in winter, you also need to check the antifreeze, and the amount of antifreeze should be appropriate.The temperature drops sharply. If the concentration of antifreeze in the engine cooling water is too low, the engine water will freeze, causing the vehicle to be unable to start in the morning. Therefore, it is necessary to increase the concentration of antifreeze, which is generally appropriate to maintain at 70%.

4. Adding diesel anticoagulant to diesel can prevent diesel from freezing. Adding a very low concentration (below 1‰) of anticoagulant to diesel can greatly improve the low-temperature fluidity of diesel, and the addition method is flexible and simple.

5. It is used to use the engine's high-pressure and high-temperature gas to lead to the front edge of the engine intake to prevent ice. The current large wing de-icing of the aircraft is also the engine.

6. Secondly, maintaining the temperature in the engine compartment is also an important measure to solve the problem of freezing ice in the starter. You can open the engine compartment cover when parking to ensure air circulation and avoid freezing caused by too low temperature.In addition, thermal insulation covers or insulation materials can also be used to keep the engine warm, prevent heat loss, and assist in solving the freezing problem.