When Should Engine Oil Be Changed in a Car?

1 Answers
LeRowan
07/29/25 5:46pm
Car maintenance cycles are determined by either mileage or time, whichever comes first. The specific interval depends on the type of engine oil used in the vehicle. Here are the details: 1. Classification: Generally, engine oils are divided into 3 types - full synthetic, semi-synthetic, and mineral oil. 2. Full synthetic oil: Typically requires replacement every 10,000 kilometers or 1 year. 3. Semi-synthetic oil: Usually needs to be changed every 7,500 kilometers or 7-8 months. 4. Mineral oil: Normally requires replacement every 5,000 kilometers or 6 months. Additional information: Prolonged failure to change engine oil can lead to oil deterioration and reduced lubrication effectiveness. When the engine operates without proper lubrication, internal components may wear out, shortening the engine's service life.
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