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Discussion Starter · #1 ·
So I’ve had my IAG AOS for about a year and it’s done it’s job well because I never saw oil in the intercooler but recently when I went to change my clutch line and the turbo to IC coupler out I saw some oil in there.

I’ve pulled the hoses out to check for any types of clogs but nothing.

The turbo Side of the IC doesn’t have oil collected in it the way the IC-to-intake side does.

Not sure what else to look at, any ideas?
 

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The turbo side won't, it usually blows it further in. A little isn't unheard of, a lot could be a number of problems. You could have a cylinder low on compression or a turbo seal going bad
 

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Discussion Starter · #3 ·
Turbos fairly new but my motor is an ej205 with 93K miles. This thing might be on its way out. I’ve planned to get a built motor for it but I guess it’s gonna happen sooner than expected
 

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Don't doom a good engine because theory. Do some tests first
 
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