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normal diverter valve sound?

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Old 05-04-2004, 01:08 PM
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Default normal diverter valve sound?
My diverters make an odd high pitched wheezing sound which is much different than the sound my diverter on my A4 use to make. I assume its normal but figured I'd check. My A4 was just a clean wooosh but my a6 is just kinda a comical high pitched smokers cough/wheeze sound. I figured its due to the placement of the valves and recirculation lines but... is that normal?
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Old 05-04-2004, 01:33 PM
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Like when you are shifting near the redline?
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Old 05-04-2004, 01:41 PM
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no, just anytime it lets boost off
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Old 05-04-2004, 01:57 PM
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bad ones. change them fast before you get turbo damage
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Old 05-04-2004, 02:13 PM
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Ditto. That's the sound of a bad BPV. There should be no sound at all.
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Old 05-04-2004, 03:15 PM
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Yup. Do the TBB as well while you're in there.
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Old 05-05-2004, 04:52 AM
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Default actually - for those of us with 6 speeds, you can here them "squeek" when you shift
at high rpm
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Old 05-05-2004, 07:13 AM
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Default with an intake...
you can hear them slightly "whoosh" but thats all i was aware of before, this noise is much more than that though. I can hear the boost let off but then also that wheeze...

I'll get new ones asap.
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Old 05-05-2004, 07:14 AM
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Default thanks for the replies... ordering new ones now :)
it was on the list of things to get, just not urgent until now.

Thanks again.
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Old 05-05-2004, 03:37 PM
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Replaced with 710N's and all is well. Thanks again everyone.
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