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Oil leak from where?

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Old 04-14-2017, 06:25 PM
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Default Oil leak from where?

This is my sons "new" car. The guy said "It's the turbo oil return line. Easy to fix and common." Yes indeed common and not too bad to access. But not leaking. My guess is the valve cover gasket. Could you please take a look at the pics and offer a guess.




That spot near the bolt looks a bit clean. Oil flowing out there?



Starter is soaked.



Flywheel is dry. I don't think it's coming out here.



Left side



Right side.



Right side.
Old 04-15-2017, 08:32 AM
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Audis are well known for leaking gaskets. Spend some time searching this forum for oil leaks and valves cover gasket repairs. You will learn lots.

Not wanting to jump to a conclusion I would do a thorough engine clean and closely watch where the oil first shows. Also, leaving the oil residue in place can lead to premature failure of many parts.
Old 04-21-2017, 04:28 AM
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Cam chain adjuster/tensioner seal.
Old 04-21-2017, 05:13 AM
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Originally Posted by 4Driver4
Cam chain adjuster/tensioner seal.
@4Driver4 Wouldn't that be from the front end of the motor then? Things look pretty clean up front, but all down the right rear mostly is pretty bad.

Hopefully doing a big cleanup this weekend so we can try and spot the source.
Old 04-22-2017, 04:04 AM
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4Driver4 is likely correct, the chain and tensioner is at the back of the head between the camshafts. The cam drive from the crank is a belt on the front.
Old 04-22-2017, 10:53 AM
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Originally Posted by David.Norton
4Driver4 is likely correct, the chain and tensioner is at the back of the head between the camshafts. The cam drive from the crank is a belt on the front.
Oh wicked thanks very much to both you and 4Driver4. I'll dig into some exploded diagrams and see what I can see. Can you guys recommend a parts list of things that should be replaced to get into that cam chain and fix that up, along with doing the timing belt? I'm just not sure what is in there yet. Is there a water pump up front or anything like that, that should also be replaced while doing the timing belt?
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