what are the most common places for coolant to leak? referingto the 2004 audi a6 2.7 turbo.

20

Asked by May 21, 2012 at 09:19 PM about the 2004 Audi A6 2.7T quattro S-Line Sedan AWD

Question type: Maintenance & Repair

3 Answers

1,755

upper and lower Hose pipes the common place for coolant leaks after that the Radiator cap (the rubber on the cap gets hard causing coolant to leak

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95

The secondary water pump. Located under the intake manifold. Look with a flashlight by the throttle body. You will see a pool of antifreeze collecting on the intake.

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Best Answer Mark helpful
565

could be anywhere but if you look at the hoses coming out from the engine block at the top and going to the radiator these have the highest pressure in them and could leak. I once had a leak which was only detectable by touching the metal clamps on the hoses as it was behind one of them. I would advise you start from the reservoir and follow the entire system around. If you can't find the leak perhaps your water pump seal is gone.

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