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because the block is cracked or a head is cracked. or if you are lucky it could be just a head gasket. Has it overheated?

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17y ago

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How do you check to see if oil is in coolant?

Oil and water do not mix. oil will float on top of coolant if you remove radiator cap this will be very visible, on the other hand coolant in oil will look milky white.


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Check coolant leaks with a visual inspection. Clean the engine, then see where the coolant reappears. Look under the water pump. Check engine oil to see if coolant is leaking into the oil.


Can you smell a coolant leak at the head gasket?

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Perhaps the coolant was overfilled. It will expand because of heat or pressure and the excess makes it way to the coolant refill tank. Make sure your coolant doesn't have oil in it. In a worst case scenario you could have a faulty head gasket or engine damage that allows engine oil to seep into the coolant. But if you don't see oil in the coolant, then just drain some off.


Oil in coolant tank?

Oil in the coolant tank indicates a head gasket leak.


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