Small maintenance generally refers to routine maintenance items that are made at the time or mileage specified by the manufacturer to ensure vehicle performance after a certain distance. Mainly includes the replacement of oil and oil filter. The time for minor maintenance depends on the effective time or mileage of the oil and oil filter used. The expiration date of mineral oil, semi-synthetic engine oil and fully synthetic engine oil of different brand grades is also different. Please refer to the manufacturer's recommendation. The oil filter is generally divided into two types: conventional and long-acting. The conventional oil filter is replaced with random oil, and the long-life oil filter is used for a longer period of time. The 10,000-kilometer small maintenance is the oil filter and oil filter: machine filter, air filter, steam filter. Here is a brief introduction to the car small maintenance The need for small maintenance: Small maintenance items:
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The oil is composed of base oil and additives. As the vehicle travels, the components in the oil will deteriorate and fail. The oil filter will also decrease or even fail as the use time increases. Failure to replace these two skin care products in a timely manner will have a negative impact on engine performance. 
1. The oil is the lubricating oil that the engine runs. It can lubricate, clean, cool, seal and reduce the engine. It is important to reduce the wear and tear of engine parts and prolong the service life.
2. The oil filter is a component of the filter oil. The oil contains a certain amount of colloid, impurities, moisture and additives; during the working process of the engine, the metal scrap generated by the friction of each component, the impurities in the inhaled air, the oil oxide, etc., are the objects of the oil filter. If the oil is not filtered, entering the oil circuit directly will have an adverse effect on the performance and life of the engine.