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EVAP leak - now with pic

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Old 03-12-2008, 08:28 AM
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Default EVAP leak - now with pic
<center><img src="http://img368.imageshack.us/img368/61/s4leaksg3.jpg"></center><p>I'm getting Bank 1&amp;2 lean, random and every cylinder misfire, and EVAP leak codes, and just noticed this leak/tear in the photo.

The thing is, I don't know how to replace it, or where to get one!

Sorry I didn't have a good picture last time, hope this helps.

Car is an 01, 6-speed, 163k

Any thoughts?
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Old 03-12-2008, 09:22 AM
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Default It's called a suction pump. Here's some info from the archives.
<ul><li><a href="https://forums.audiworld.com/s4/msgs/2771703.phtml">Suction pump part number</a></li></ul>
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Old 03-12-2008, 10:50 AM
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Default Yeah not a good one to fail. It's a boost leak and supplies vacuum to your brake booster.
Mine broke and sometimes I didn't have brake assist. Scary.
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Old 03-12-2008, 11:13 AM
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mine was leaking so i jb welded it closed. should i still get a new updated one?
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Old 03-12-2008, 11:27 AM
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I did it just for piece of mind. Plus my attempt to seal it didn't work.
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Old 03-12-2008, 12:41 PM
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Default Oh damn...where can I pick one up besides the dealer? Would it cause those sorts of codes?
Sorry I don't have them handy, the laptop is in the car and I'm at work
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Old 03-12-2008, 12:59 PM
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Default https://www.1stvwparts.com/part_number.html
<ul><li><a href="https://www.1stvwparts.com/part_number.html">https://www.1stvwparts.com/part_number.html</a</li></ul>
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Old 03-12-2008, 01:18 PM
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Default Dumb question: Why not just delete it?
Like the RS4 and 2000 S4. Run brake booster right to manifold (I believe there's a one way valve in the elbow at the firewall for the vacuum resevoir), and cap the accordion hole?
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Old 03-12-2008, 01:33 PM
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Default Got mine from Brian @ Avalon Motorsports.
I don't think it would cause misfire codes. In fact, I had no codes at all. I just found mine from pressure testing for boost leaks.
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Old 03-12-2008, 01:35 PM
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Default I'm not exactly sure how that system works so I couldn't comment on that.
I know there's a connection to the manifold, a connection at the accordian hose and then the connection to the brake booster. I'm not sure how they are all tied in to make the system work.
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