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At how many kilometers should a major car maintenance be performed?

1 Answers

DiAaliyah

07/30/25 12:27am

Major maintenance refers to maintenance that includes engine care and is typically performed every 60,000 kilometers. Major maintenance is based on minor maintenance, with the two types of maintenance alternating. Minor maintenance includes oil changes, and generally, there are three types of engine oil: 1. Full synthetic: Full synthetic oil should be changed every 10,000 kilometers or once a year. 2. Semi-synthetic: Semi-synthetic oil should be changed every 7,500 kilometers or every 7-8 months. 3. Mineral oil: Mineral oil should be changed every 5,000 kilometers or every six months. Below is an introduction to the three types of engine oil: (1) Full synthetic oil: Synthetic oil is a man-made oil. During its production, various natural substances are chemically decomposed and then synthesized with other substances to finally produce synthetic oil. (2) Semi-synthetic oil: Semi-synthetic oil is a lubricant made using semi-synthetic base oil, which is refined from international Group III base oil through hydrocracking technology. It is a mixture of mineral oil and full synthetic oil in a 4:6 ratio. The purity of semi-synthetic oil is very close to that of full synthetic oil, but its cost is slightly higher than that of mineral oil. It is an ideal transitional product from mineral oil to synthetic oil. (3) Mineral oil: As the name suggests, mineral oil is extracted from minerals and is relatively viscous. Mineral oil is refined from petroleum base oil and then mixed with additives.

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