G37 Sedan

milky oil, coolant leaking down rear driver side of engine

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Old Feb 13, 2025 | 12:45 PM
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Madara's Avatar
Madara
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milky oil, coolant leaking down rear driver side of engine

I've been dealing with a coolant leak and after standing in ankle high snow for an hour, I found it's coming from the back, driver's side of the engine. Also, when I checked the dipstick, the oil looked milky. Anyone know what the issue is / roughly how much it would be to fix at a shop / how hard it is to repair myself?

2012 xs sedan

Last edited by Madara; Feb 13, 2025 at 08:09 PM.
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Old Feb 14, 2025 | 05:32 PM
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Rik R.'s Avatar
Rik R.
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Milky oil = coolant and oil mixing

Hello:

Generally, milky oil is when coolant leaks from a blown head gasket into the oil passages, and you end up with a chocolate-milk frothy mess. It depends on how much you have, and also if the car has sat and had a season or more of condensation that might get into the oil as well.

Any pictures or other details?

Good luck,


Rick
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