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Engine cooling system: an important part of protecting the engine The trade data analysisengine is the core of the whole vehicle, and its operating speed, horsepower and service life directly affect the performance, safety and economy of the car. During the use of the engine, it needs to be cooled frequently to prevent overheating from damaging the engine. This is the engine cooling system. This article will discuss the role, composition, common faults and maintenance of the engine cooling system. I. The role of the engine cooling system. We all know that the engine is easy to generate high temperatures, which will threaten the operation and life of the engine itself to a certain extent. Because the combustion of gasoline in a high-temperature environment is incomplete, it is very easy to form black carbon and other harmful substances, and the material changes at the same time.If it is in a high-temperature environment for a long time, various parts will rust, the strength of the rubber pad and sealing material will be reduced, and the quality of the lubricating oil will also be easy to deteriorate. At the same time, in a high-temperature environment, the tire pressure, fuel, etc. of car tires will also have an impact, so it is especially important to cool down the car engine. The function of the engine cooling system is to break the high temperature environment of the engine, reduce the volume temperature of the engine through the cooling medium cycle, so that the engine is within the appropriate working temperature range for a long time, and ensure that the engine operation is more stable, durable and safer. II. Composition of the engine cooling system The engine cooling system is mainly composed of the following parts: water tank, radiator, water pump, water temperature sensor, coolant and cooling system pipeline, etc. 1. Water tank: located in the front area of the car engine compartment, it is usually made of plastic.The tank is filled with coolant, which plays the role of transporting and transmitting heat. Two. Radiator: located behind the water tank, it is made of aluminum. It mainly uses the heat conductor to dissipate the high water outlet of the engine to ensure that the temperature can be reduced. 3. Water pump: It is responsible for diverting water from the water tank to the radiator. Its main working principle is to drain the liquid. Four. Water temperature sensor: It is used to monitor the operation of the cooling system and react to the temperature of the coolant. When the temperature is found to be too high or too low, it will make a sound or alarm prompt. 5. Coolant: generally fills the entire cooling system pipeline and radiator, and is used to absorb heat. The coolant contains three components: antifreeze, pure water and ethylene glycol. Its main function is to ensure the stable and safe temperature required for engine operation. 6. Cooling system tubeRoad: The whole car cooling system covers a series of small lines and connecting pipes, and the coolant is pumped into the radiator for cooling through the hydraulic system. III. Common faults of the engine cooling system 1. Water tank leakage: failure caused by oxidation of parts or excessive wear of parts. Two. Radiator damage: Under high-speed driving or bad road conditions, it will cause the radiator to be hit or damaged by objects, resulting in water leakage. 3. Water pump wear: During long-term operation, the water pump will lose its anti-wear performance, or the aging of parts such as water seals will cause leakage. Four. There is a leak in the coolant pump: because sudden situations such as sudden turns and stops will increase the pressure of the hydraulic system, resulting in failure. The above are several common cooling system failures. After finding problems, they must be repaired as soon as possible, otherwise they will face further consequences. IV. How to maintain the engine cooling system 1.Regularly check the color and quality of the coolant in the cooling system. The following situations indicate that there may be problems with the engine cooling system: 1) the color of the coolant changes, and its color is no longer light green or white; 2) the liquid level is too low or too high; 3) water leakage is found. Two. Do not open the radiator pipe connector or water tank cover in the high temperature of the vehicle. 3. Good driving habits can also effectively extend the service life of the entire cooling system. Try to avoid slow driving, avoid rapid acceleration, and try to reduce the impact of the external environment on the car and other small actions are all recommended. By introducing the function, composition, common faults and maintenance of the engine cooling system, this article aims to remind drivers to pay attention to checking the various indicators of the engine cooling system at any time during the driving process, and repair andMaintenance to ensure that the entire cooling system is running in the optimal state, so as to extend the life of the engine and the whole car, and avoid the occurrence of safety hazards.

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