HS code-based customs valuation tools

Summary of the reasons for automobile engine oil leakage Automobiles are HS code-based customs valuation toolsan indispensable means of transportation in modern social life, and its engine is its soul. However, with the increase of the use time of the car and the increase of the degree of wear, the oil leakage of the engine will gradually appear. Engine oil leakage will not only affect the performance and efficiency of the machine, but also lead to an increase in the maintenance cost of the machine. Therefore, in order to ensure the normal operation of the car and extend the life of the engine, it is necessary to understand the cause of engine oil leakage. This article will summarize the causes of oil leakage in automobile engines. 1. When the seal is loose or aging, the engine is often in a state of high temperature and high pressure, and the seal is prone to damage. Long-term vibration and wear may also cause the aging of the seal.Once the seal is accidentally damaged, it will cause oil leakage in the engine. In these cases, it is very common for the decompression cover, valve chamber cover, piston, etc. to leak oil. Two. Wear inside the cylinder block or cylinder head. When the engine of the car is working, high-speed and high-frequency vibration will cause wear on the surface of the cylinder block or cylinder head in the engine. Once there are cracks or wear, it will cause the engine bearing and rocker arm to be uneven, and engine oil leakage is also one of the manifestations. This problem is very serious and must be solved in time, otherwise it will lead to engine damage and premature scrapping. 3. The oil of the oil-decompression engine is often in a high-temperature and high-pressure environment. If the oil is discharged from the filter to the engine, it will be under greater pressure. After heavy pollution blocks the oil line, the oil pressure cannot be maintained and the oil leaks. So I often maintain the car.It is very necessary to reasonably replace the oil filter, clean the oil line system, and ensure the oil supply. Four. Cylinder block pad aging engine cylinder block pad is a thin sheet composed of asbestos, metal and other compounds, located between the engine cylinder block and the cylinder head. Due to the long-term high-temperature and high-pressure state, the cylinder block pad is prone to wear and aging, resulting in oil leakage. Once the cylinder block pad breaks, the oil will be mixed into the water cooling system and pushed into the radiator or mixed into the coolant and exhaust, resulting in engine failure. The cylinder block pad must be replaced in time. 5. Oil leakage from the car can play a lubricating role, but if the oil leaks, it will cause the engine to leak. There are many reasons for oil leakage, such as cracked tail shaft seal, aging piston ring, unsealed spark plug, etc. Therefore, it is very necessary to check the oil leakage problem in time and replace the leakage components.Summary: The above is a summary of the causes of oil leakage in automobile engines. For car owners who pursue long-term engine life and better vehicle performance, they need to pay more attention to engine maintenance and overhaul, and regularly check and replace parts that may cause oil leakage. At the same time, replacing high-quality engine oil, cleaning up the oil system in time, and not speeding on highways and other sections are all good habits to improve engine health.

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