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Blown head gasket. That milky look is coolant mixed with the oil. STOP driving this vehicle until you have this repaired or you will ruin this engine.

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16y ago

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What causes engine oil to become milky?

this is usually engine coolant leaking in


Why does engine oil look milky?

Any time your engine oil is milky it means you have water in it It's got water in it from somewhere. Probably a blown headgasket. Hopefully not a cracked or warpped head.


Could a cracked radiator make the water go into the oil line and make the oil look milky?

A cracked radiator will NOT put water in the engine and make the oil milky. A bad head gasket WILL put water in the engine and make the oil look milky. That does not neccessarily mean you have a bad engine. Have someone fix or replace the radiator and replace the head gasket. It could be a good engine for a long time yet


If you have radiator fluid in your oil from a gasket leak how can you get this milky oil out without hurting the engine?

drain oil,raditor.


How can you tell if antifreeze is leaking into your engine?

Look at the oil on the dipstick. If you have antifreeze leaking into the crankcase the oil will be milky.


What would cause Engine oil have lumps in it?

probably a blown head gasket if the oil looks milky or has bubbles in it


What causes my oil in my lawn mower engine to turn milky white in color?

You have water in your oil. Possibly from condensation. Run the engine only long enough to warm the oil and change it.


What are the causes of milky oil 5.7 vortec engine?

Milky oil in a 5.7 Vortec engine is typically caused by coolant contamination, often due to a blown head gasket, intake manifold gasket failure, or a cracked engine block. This allows coolant to mix with the engine oil, leading to a milky appearance. Another potential cause could be condensation buildup in the engine, especially in colder climates, though this is less common. Regular maintenance and monitoring can help prevent these issues.


You have white smoke on start up loss of antifreeze milky oil but no smoke when engine is hot?

White smoke at startup, loss of anti freeze and milky oil indicates to me a bad head gasket.


Why is your oil milky?

Milky oil is an indication a water in the oil. Could be from a failed headgasket, a leaking oil cooler, ir a malfunctioning pcv system. Continuing to drive that vehicle in that condition will do serious damage to the internal parts and shorten the life of the engine greatly.


Why does oil look milky in a 4 cycle small engine?

The head gasket is gone and water or coolant has mixed with the engine oil. Replacing the head gasket is no big deal.


Milky transmission fluid?

Milky means one thing, water in the oil! Generally this means coolant from the engine is getting into the trans usually through the oil cooler in the radiator. This is very very bad and will quickly ruin the transmission.