Fatal factors that affect the life of the engine, you know?

Fatal factors that affect the life of the engine, you know?

The engine is equivalent to the heart of the car, and its quality directly affects the life of the car. Therefore, special care is required for maintenance. What are the factors that affect the life of car engines? Generally speaking, besides the gasoline oil, the quality of oil, the internal carbon deposition of the engine and the automatic aging of internal parts, there is also a factor that is “oil sludge”, which is also a factor that causes the biggest damage to the automobile engine. Now let Xiaobian introduce the origin of the "oil sludge" and harm it?

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What is sludge? How to form? "Sludge" is a colloidal mixture that accumulates in the sump, the inner wall of the crankcase, and the oil path. In the low temperature environment, the oil and air are oxidized under the catalysis of metal to form a kind of paint film and carbon deposit. In fact, these are only the prototype of “oil sludge”, and this is formed under the normal working condition of the engine. Unavoidable.

When the engine is in normal operation, the combustible mixture in the combustion chamber will pass through the gap between the piston ring and the cylinder wall and enter the crankcase. In the low temperature environment, the fuel vapor, incomplete combustion exhaust gas, water vapor, worn iron, The oil is mixed in the crankcase to form a viscous substance, sludge.

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What are the hazards of sludge?

1. The adhesion of oil sludge to the inner wall of the crankcase will reduce the cooling capacity of the cylinder, resulting in excessive oil temperature and engine power drop.

2. The oil sludge adheres to the oil passages inside the engine, which increases the flow resistance of the oil, reduces the flow of the oil, and affects the lubrication effect between the components.

3. A large amount of sludge may block the oil passages, resulting in the formation of “dry grinding” without lubrication between parts and components. In severe cases, it may cause burning of tiles and holding of shafts.

Although "oil sludge" is formed under the normal working conditions of automobiles, it is inevitable. However, we can remove the "oil sludge" through the later maintenance, so that the service life of the engine can be extended.


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