How much do you know about the oil filter

Under normal circumstances, we all know that a vehicle needs minor maintenance or major maintenance after a certain mileage. So, what does this major and minor maintenance include?The often mentioned minor maintenance is actually changing the vehicle’s oil andOil filter; And the major maintenance is to replace the engine oil, engine oil of the modelFilter,air filterCompared with the gasoline filter, this is the so-called replacement of the oil filter and the three oil filter.

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From this, it is not difficult to find that the filter must be replaced during each maintenance. As the name suggests, the main function of the filter is filtration. Therefore, in the following article, the author will give you a brief introduction to the oil filter, which includes the composition, function, maintenance period, authenticity and false identification, etc., in order to popularize what is an oil filter. Cleaner.

■Oil filter composition: shell + filter element

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Simply put, the oil filter is mainly composed of filter paper and the shell. Of course, there are auxiliary components such as sealing ring, support spring, bypass valve, etc. These auxiliary components are not small. For example, the role of the bypass valve is that when the filter paper fails due to excessive impurities, the oil will pass through the bypass. The valve flows into the engine for lubrication. However, only from the appearance we can see the oil filter as a whole, and the filter paper, bypass valve and other parts are invisible.

■Oil filter function: filter impurities

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Under normal circumstances, various parts in the engine are lubricated by oil to achieve normal operation, but the metal chips, dust, carbon deposits that are oxidized at high temperature and some water vapor will be continuously mixed in when the parts are running. In the oil, a long time will reduce the normal service life of the oil, and in severe cases, it may affect the normal operation of the engine.

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Therefore, the role of the oil filter is reflected at this time. Simply put, the main function of the oil filter is to filter most of the impurities in the oil, keep the standby oil clean, and prolong its normal service life. In addition, the oil filter should also have the performance of strong filtering capacity, low flow resistance, and long service life.

■Oil filter maintenance cycle: it is a vulnerable part

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Under normal circumstances, dealers of various brands will classify oil filters as wearing parts. Taking FAW Toyota as an example, the warranty period of oil filters is 6 months after the delivery date or within 10,000 kilometers of mileage. In terms of replacement, basically the oil and oil filter are replaced together. If it is used for a long time without replacing it, the function of the oil filter may be lost, which will eventually affect the operation of the engine.

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