1982 Rover Metro oil with water

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1982 ROVER METRO
1.0L
4 CYL
2WD
MANUAL
90,000 MILES

I had a problem at the weekend with the temperature rising in my mini. After shutting the engine off & inspecting under the bonnet I could see a large amount of milky water had mixed with oil & been blown out of a breather. What can be? Pistons rings or head gasket? Many thanks

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JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Most likely the head gasket. Rings wouldn't cause the two to mix.

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Thursday, May 14th, 2015 AT 6:44 AM

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

After thought. Does the motor oil in the engine seem to be a creamy tan substance?

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Thursday, May 14th, 2015 AT 6:45 AM

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3 POSTS

Yes. Is like coffee with milk. But my big concern is the milky oil is coming out of the engine breather. Thank you very much

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Thursday, May 14th, 2015 AT 10:09 AM

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

That is the result of a bad head gasket. Excessive pressure is building in the crank case. Don't run the engine until it is fixed and the oil and filter are changed.

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Friday, May 15th, 2015 AT 8:40 AM

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