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Why is there engine oil in the Santa Fe's radiator?

1 Answers

VanGabrielle

07/30/25 8:26am

Here are the reasons why there is engine oil in the Santa Fe's radiator: 1. After the cylinder head gasket is damaged, the oil passage and water passage are connected. Since the pressure of the engine oil is higher than that of the coolant, the engine oil enters the water passage and then flows into the radiator. Observe whether there are air bubbles escaping from the surface of the coolant in the radiator. 2. After stopping the engine, check whether the coolant automatically flows into the oil passage and then into the oil pan. Here are some relevant information: 1. When diagnosing the issue, it can be identified by observing the changes in the radiator and coolant. However, during observation, the water pump belt should generally be removed to stop the water pump, keeping the water in the radiator relatively stable. Avoid hastily replacing any single component. Only after confirming the faulty part should repairs be carried out. 2. Car radiator: Also known as a heat exchanger, it is a key component in the car's cooling system. Its function is to dissipate heat. The coolant absorbs heat in the water jacket, flows to the radiator to release the heat, and then returns to the water jacket to circulate, achieving temperature regulation. It is a part of the car engine.

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