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What's this part??????

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Old 11-16-2008, 10:46 AM
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Default What's this part??????
<center><img src="http://i174.photobucket.com/albums/w105/firemedic726/audiphoto.jpg"></center><p>I'm trying to figure out what this part is...When I start the motor, it emits a high pitched whine that eventually goes away. Any info on what it is and why it might be doing that? Thanks
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Old 11-16-2008, 11:54 AM
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what car model are you? S4, A6, etc.? manual or auto?
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Old 11-16-2008, 12:16 PM
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Default Re: what car model are you? S4, A6, etc.? manual or auto?
sorry, Allroad 2.7T V-6 Auto
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Old 11-17-2008, 04:54 AM
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Default k, that makes more sense. though I've never seen it, I'm going to guess that
screaming noise is your secondary air injection unit.
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Old 11-19-2008, 11:35 AM
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Default roger that. SAI pump is $400 and 1.5 hours labor in you don't DIY
They can whine like a jet engine for months before they finally give out.
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Old 11-23-2008, 08:02 PM
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Do a search, there is lot of info including an article about refreshing the pump.
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