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Engine water pump: an important component in the engine. The How to evaluate free trade agreementsengine water pump is an important component in the car engine. Its role is to circulate coolant through various parts of the engine.The water pump creates a cooling cycle to ensure that the engine is always at the right operating temperature, thus ensuring the normal operation of the whole vehicle. This article will introduce the structure, working principle, common faults and maintenance methods of the engine water pump. I. The construction engine water pump is usually composed of three parts: the shell, the impeller and the bearing. The shell is molded by casting aluminum alloy or precision die-casting, and then the impeller seat and bearing seat are processed inside the shell. The impeller is the main working part of the water pump. It is usually made of cast steel, copper or plastic. There are two types of impellers: centrifugal and axial flow. The bearing is the part of the main shaft of the water pump, which supports the rotation of the whole pump. II. Working principle When the car starts, the water pump starts to work. The coolant is pumped to the water inlet of the pump, and then forced to flow through the rotation of the impeller. The rotation of the impeller is usually made byDriven by the crankshaft of the motive, the coolant it ejects is pushed into the radiator of the car by pressure, and then flows out of the radiator and into the pump again for circulation. III. Common faults Because the water pump is an important component in the car engine, its damage may cause the car to not work properly. The following are the common faults and maintenance methods of water pumps: 1. Water pump leakage: The water pump leakage may be caused by loose filling bolts or failure of the throat seal. If you find that the water pump is leaking, it can be repaired by replacing the seal or tightening the filling bolt. Two. Damaged impeller: When the impeller of the water pump is damaged, it may make a hissing or high-pitched sound. If this situation is found, it is recommended to replace the impeller immediately. IV. Maintenance method It does not take much effort to maintain the engine pump, but it can ensure the operation efficiency and safety of the car.Here are several ways to maintain the engine water pump: 1. Replacing the coolant: Regularly replacing the coolant can extend the life of the pump, about once every 2 years or 30,000 miles. Two. Check the pump box: Regularly check the pump cover and the inside of the water tank to ensure that they are not cracked or otherwise damaged. 3. Check the cooling system: In the event of a cooling system failure, check for leaks to ensure that the pump and the whole system are maintained. In a word, the engine water pump is a very important part of the car engine, and its working principle, failure and maintenance methods need to be highly valued by car owners. When maintaining the car, in addition to replacing the oil and filter, regularly checking and maintaining the engine pump can ensure that your car runs efficiently for a long time.

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