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You can still get oil into the coolant through a head gasket leak, even if you don't have any other symptoms. You symptom of oil into the water is very classic of a head gasket leak. Oil pressure is almost always higher than the water pressure. If it's a small leak, oil can be pushed into coolant galleys, but not the opposite. If you have flushed your ...


An Audi scanner, VCDS from Ross-Tech.com, will show up any electronic faults on your AirCon. Time and time again though, the symptoms you describe can be put down to the AirCon thermostat.

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