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Can 15w40 engine oil be used in summer?

1 Answers

LeVictoria

07/30/25 1:20am

15w40 engine oil can be used in summer. Here are specific methods for selecting engine oil for cars: Performance selection: If you prioritize long-lasting performance of engine oil, you can choose Mobil engine oil; if you focus on the cleaning effect of engine oil on the engine, you can use Shell lubricants; if you need lubricants with strong oil film toughness, it is recommended to use Castrol. Driving conditions: For frequent driving in congested areas, older vehicles, or long-distance heavy-load transportation, the viscosity of the lubricant can be appropriately increased. Engine type: For naturally aspirated engines, mineral oil and semi-synthetic oil can be used. Compared to naturally aspirated engines, turbocharged engines have a more compact structure and operate under harsher conditions, requiring higher-grade lubricants with better fluidity, preferably fully synthetic oil.

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