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What are the precautions for changing the oil and oil filter?


Precautions for replacing the oil and oil filter: 1. The oil and the oil filter should be replaced at the same time, which is conducive to prolonging the service life of the engine; 2. When removing the oil filter, use a filter wrench or appropriate Tool to prevent damage to the thread of the connection part. The filtering performance of the oil filter will decrease after a long time of use, and the pressure of the oil passing through the filter will be greatly reduced. Although the oil pressure drops to a certain level, the filter bypass valve will open, and the oil will enter the oil circuit through the bypass to prevent insufficient oil pressure. However, the oil entering the oil circuit at this time is not filtered and will carry impurities into the oil circuit. Increase the wear of parts. In severe cases, the impurities in the oil will even block the oil passage, causing mechanical failure. The quality of the oil filter directly affects the lubrication effect of the oil on the engine.