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Nowadays, with the continuous rise of car ownership, car repair shops and repair shops are everywhere. Therefore, car owners have many channels to maintain their cars. For the key engine of automobile maintenance, changing the oil filter, as the basic maintenance content of the engine, is often ignored by many car owners.

In the face of the fierce market competition for auto parts, some bad businesses often do tricks on parts to obtain more profits. For the engine oil filter, because it looks very simple, many car owners think they understand the "doorway". Changing the oil filter also has a deep knowledge. Therefore, understanding the role and impact of the oil filter can help car owners make better choices and judgments when replacing the oil filter.

The function of oil filter

The function of the automobile oil filter is to filter the harmful impurities in the oil from the oil pan, and supply the crankshaft, connecting rod, camshaft, supercharger, piston ring, and other moving pairs with clean oil to lubricate, cool and clean, to prolong the service life of these parts.

During the operation and use of the engine, mechanical impurities such as dust, metal wear, and carbon cleaning will continue to mix into the engine oil. At the same time, the oxidation of the engine oil by air and combustion exhaust gas will gradually produce colloid. After mixing mechanical impurities with colloid, oil sludge will also be formed, which will not only accelerate the wear of moving parts but also easily cause blockage of the oil circuit. To ensure the cleanness of the oil circuit, the engine is equipped with an oil filter in the lubrication system.

Working process of oil filter

Under the action of the oil pump, the dirty oil from the oil pan is sucked into the filter from the oil inlet (multiple) of the filter to the outer surface (dirty side) of the filter paper, filtered by the filter paper, filtered from the inner surface (clean side) of the filter paper to complete the filtration, and finally flows out of the oil outlet of the filter center and enters the engine for lubrication.

Influence of poor oil filter

To reduce the cost, the low-quality mechanical filters will be reduced in key parts. These situations cannot be distinguished from appearance, weight, and other external details. The coarseness of these inferior products dressed in "original factory coats" is shocking.

Inferior filter materials can not achieve the ideal filtering effect. Impurities in the oil will wear the engine parts with the oil in the engine. Even because the strength of the filter paper itself is not enough, the filter paper will be damaged and completely lose the filtering capacity. The debris of the filter paper flowing with the oil will also aggravate the wear of the engine.

After the filtering area of the machine, the filter is reduced, and the filtering efficiency and oil output of the machine filter will also be reduced. After being used for some time, it may even cause insufficient oil supply, which has a great impact on the state of the engine. At the same time, the service life will be shortened due to the decrease in the filter area, so the filter will fail prematurely.

The central tube is an insignificant part of the oil filter, but the central tube has a very important function, which is to maintain the overall shape of the filter paper. When the oil flows through the oil filter, it will produce a certain pressure, so steel with high strength and complete structure is needed as the accessory material. The use of inferior central pipe materials can not meet the strength requirements, so it is very easy to lead to the deformation of the central pipe in use, and even lead to the closure of some channels.

Juelong reminds you

It can be seen from the above points that the seemingly insignificant small part of the oil filter can have a great impact on the engine. The poor oil filter will cause a lot of damage to the engine in the process of use, and it is difficult to distinguish the advantages and disadvantages of the filter from the appearance alone. Therefore, it is suggested that when purchasing filters, you should polish your eyes and give priority to the brand filters produced by regular manufacturers.