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What Causes Engine Oil Emulsification?

1 Answers
AdelineLynn
07/29/25 12:03pm
Engine oil emulsification is caused by water entering the oil. If emulsification occurs, it is recommended that the owner replace the oil immediately. Engine oil is often referred to as the lifeblood of the engine and is crucial for its operation. Without oil, the engine cannot function properly. Water entering the engine oil can be due to poor sealing performance of the oil filler cap or cracks in the engine block or cylinder head gasket. If there are cracks in the engine block or gasket, coolant from the engine can mix with the oil, leading to emulsification. If emulsification is observed, it is essential to replace the oil immediately and identify the source of water ingress to prevent further issues.
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