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Old 09-22-2009, 10:57 PM   #7
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Member#: 123843
Join Date: Aug 2006
Chapter/Region: NESIC
Location: Connecticut
2006 WRX Sedan SGM
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If I'm correct, that hose should connect to a plastic vacuum fitting that comes off another hose or two that is tucked down below the jumble of hoses you can see in the picture, and slightly behind the alternator.

So down and behind.

Take a look with a flashlight. You'll see it.

I think that it ties into a vacuum control valve so you won't hear a vacuum leak with the engine running at idle.
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Big-E is offline   Reply With Quote