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What are the reasons for engine oil entering the radiator?

1 Answers

LylaRose

07/30/25 12:29am

The reasons for engine oil entering the radiator are: 1. The cylinder gasket is damaged, causing the oil passage and water passage to connect; 2. High fuel pressure in the cylinder, under high pressure, engine oil enters the radiator through cracks in the cylinder liner; 3. The engine oil cooler is damaged; 4. The transmission radiator malfunctions. Methods to handle engine oil entering the radiator: 1. Disconnect the overflow tank and turn off the heater; 2. Rinse the radiator opening with clean water. Hazards of engine oil entering the radiator: 1. Chemical reaction with antifreeze; 2. Affects the flow performance, heat dissipation performance, anti-corrosion, and anti-scaling properties of the antifreeze; 3. Causes an increase in water temperature and aging of water pipes.

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