Question about 2001 Audi allroad

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Oil mixed with water

Yesterday i noticed oil in the cooling water tank of my audi a2. does anyone know what caused it?thanx

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Sorry 2 tell u this mate sounds like ur head gasket get it 2 a garage or ur looking at a new engin

Posted on Mar 04, 2009

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If the radiator has air bubbles it usually indicates a blown head gasket. It sounds like it has blown between the cylinder and the water jacket, this will cause overheating and pressurizing of the cooling system without mixing of fluids. A garage can check this by putting a pressure gauge on the cooling system. It is advisable not to drive too far, as if it gets worse it can fill a bore with water which can Hydraulic on start up and do some serious damage ( bent conrods etc ). Waterpump issues are usually leaking seals or noisy bearings, it is unusual for them to stop pumping. If the Head gasket is blown it wont hurt to replace the waterpump while the engine is in bits.

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Coolant from the car's cooling system will generally escape into the oil passages (and into the cylinders) under pressure when you have a blown head gasket on your engine. You will also notice that you will need to be topping up the coolant level.

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In your case the symptoms you have described do point to a blown head gasket. If you inspect the coolant in your cooling system when it is cold you will probably also see evidence of oil in the coolant fluid.

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