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What are the precautions for replacing automotive engine oil, and what impact does it have on engine performance?

Time: 2026-08-28

Read: 26

Automotive engine oil is the key to the healthy operation of the engine, which can reduce direct friction between internal engine parts, prevent wear of parts, keep the engine internally clean, and ensure that the engine runs in good lubrication condition. Regular replacement of engine oil and oil filter is crucial for ensuring engine performance and extending the engine life. The following are some precautions and impacts on engine performance related to the replacement of automotive engine oil.

1. The importance of replacing engine oil

Engine oil not only reduces direct friction between internal engine parts but also carries away the heat and impurities generated during the operation of the engine, keeping the engine internally clean, thereby extending the service life of the engine. Additives in engine oil can also protect internal engine parts from corrosion and oxidation.

2. The cycle of engine oil replacement

  ifferent types of engine oil have different replacement cycles, usually recommended to follow the replacement cycle recommended by the vehicle manufacturer. Generally speaking, the replacement cycle recommended by the vehicle manufacturer for engine oil is 5000 to 10000 kilometers, but this cycle may vary depending on the vehicle usage and environmental conditions. In addition, if the vehicle often drives in harsh environments, such as extreme temperatures, high altitudes, or frequent starting and stopping, it is recommended to shorten the replacement cycle.

3. Precautions

Choose the appropriate oil: Choose the appropriate oil according to the manufacturer's recommended type of oil, such as SAE viscosity grade and API quality grade.

Check the oil level: Before replacing the oil, it is necessary to check whether the oil level meets the standard. If the oil level is insufficient, it should be supplemented to the standard level.

  @@@@@@@@@@@@@@@@@@@@@@Replace the oil filter: The oil filter can filter impurities in the engine oil, and regularly replacing the oil filter can ensure the cleanliness of the oil, preventing impurities from entering the internal engine.

Use the correct oil: It is very important to use the correct oil. The wrong type of oil can lead to a decrease in engine performance or even damage the engine.

Avoid over-replacement: Although regular replacement of engine oil is important, over-replacement may waste resources and may have an impact on the environment. Therefore, engine oil replacement should be based on the manufacturer's recommendations for the vehicle.

4. The impact of engine oil replacement on engine performance

Improve engine performance: Regularly replacing engine oil can ensure the cleanliness of the engine internally, reduce wear, and thus improve engine performance.

Extend the life of the engine: Regularly replacing engine oil can reduce the wear of internal engine parts, thereby extending the service life of the engine.

Reduce the risk of failure: Regularly replacing engine oil can reduce the risk of failure in the internal engine parts due to wear and corrosion.

Environmental protection: Reasonable use of engine oil can reduce resource waste and simultaneously reduce the environmental pollution caused by oil leakage.

In summary, the correct replacement of engine oil is crucial for the healthy operation of the car engine. Regularly checking the oil level, choosing the appropriate type of oil, and replacing it according to the manufacturer's recommendations can ensure that the engine is in the best working condition, thereby improving vehicle performance and extending the life of the engine.