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Can emulsified engine oil be used?

2 Answers

VonClara

07/24/25 5:30am

Emulsified engine oil cannot be used. The causes of engine oil emulsification: 1. Crack in the water chamber of the heat exchanger leading to water mixing into the engine oil; 2. Poor sealing of the cylinder head or cracks in the water chamber, loose sealing of the cylinder liner water jacket, or corrosion of the cylinder liner, allowing water from the combustion chamber to enter the engine oil. The strength of the oil film in emulsified engine oil will decrease, making it unable to meet the lubrication requirements of the engine, necessitating replacement. Solutions for engine oil emulsification: 1. Clean the engine and replace the engine oil; 2. Clean the air filter chamber, exhaust pipe, carburetor, and exhaust joint; 3. Fill the engine with kerosene, repeatedly start and shut it off, ensuring the burning time does not exceed 30 seconds, then replace with new kerosene. Engine oil, also known as engine lubricant, serves to lubricate and reduce friction, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption and buffering for the engine.

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EmmettDella

08/11/25 1:15am

Absolutely never continue using emulsified engine oil! I had this issue with my car before - found a bunch of white creamy substance on the oil cap, and inspection revealed coolant had leaked into the oil. Emulsified oil has severely reduced lubricating properties and basically loses its protective function. Continuing to use it will accelerate wear on internal engine components, damaging precision parts like piston rings and crankshafts. The worst-case scenario is cylinder scoring over time, which would cost a fortune to repair. Luckily I caught it early last time - immediately changed all the oil and coolant, checked the gaskets, and fixed it for just over 300 yuan. Safety first - don't try to save small money only to incur huge losses.

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