A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Im going to say oil cooler?? anyone have any advice

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Old 07-26-2009, 07:52 PM
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Default Im going to say oil cooler?? anyone have any advice

So my previous post stated that there was a thick substance in my cooling system, After 3 days of flushing the system it started to look more like motor oil.... I'm putting my money on the oil cooler. Hopefully not the head gasket. I attached some pictures of the fluid coming out. Let me know what you guys think, I dont really want to just throw parts at it ya know?
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Old 07-27-2009, 10:29 AM
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Start off by doing a cylinder compression test, if the numbers are really low in any of the cylinders its most likely the head gasket. You can also check the oil cooler by pulling the 2 coolant lines off the cooler and putting them together so they bypass the cooler completely. Then run the car to see if you get any oil coming out of the coolant side of the cooler.
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