High pitch whine, from intake or turbo?
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This is a discussion on High pitch whine, from intake or turbo? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; First, I hope this is the right section. Next the problem. Ever since going stage 2 I get this high ...

  1. #1
    Registered User ElusiveSAV's Avatar
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    High pitch whine, from intake or turbo?

    First, I hope this is the right section. Next the problem. Ever since going stage 2 I get this high pitch wine, which I cannot replicate, going about half throttle or high boost, anywhere from 12-19lbs. This happens only in gears 3-5. It's louder than the normal intake whistle. It's very high pitch. So I logged to see if maybe my car was running bad, nope log looks great. I tried to get a sound clip but I couldn't. Again this only happened after my catted downpipe install. Could it be I'm just hearing my turbo more now that I have the better airflow? I looked for rips in my intake, looks ok, dirty but fine. I'm losing my mind. It's probably the most annoying sound I've ever heard. Help plz! And if this is in the wrong section. Plz move. Thanks again!

    Jared.

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  3. #2
    Registered User naked_dave1's Avatar
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    Sound like the video in this thread?

    Boost Leak? 2012 WRX

  4. #3
    Registered User ElusiveSAV's Avatar
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    Hmm, can't really hear anything weird. I guess it's possible I could have a leak considering I was just working on the downpipe. Would that issue be a warranty fix and be free if it was the Intercooler.

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    Registered User wreckingball man's Avatar
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    Is it like a "my up-pipe is leaking" whine? Or like "air leaking out of a hose" whine?

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    Registered User ElusiveSAV's Avatar
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  7. #6
    Registered User ElusiveSAV's Avatar
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    It's in the first second of my video. Sorry for the quality

  8. #7
    Registered User mcdbrendan's Avatar
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    Quote Originally Posted by ElusiveSAV View Post
    It's in the first second of my video. Sorry for the quality
    You're original link doesn't work. I pulled the video ID from the URL and linked below. Hopefully someone can chime in, I've never heard that noise.


  9. #8
    Registered User ElusiveSAV's Avatar
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    You can hear what I'm talking about tho? And thanks for reposting that

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    Registered User wreckingball man's Avatar
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    From the video clip it sounds like metal rubbing.

  11. #10
    Registered User ElusiveSAV's Avatar
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    You can kinda head the squeal. Rest is wind from window being down

  12. #11
    Registered User mcdbrendan's Avatar
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    Quote Originally Posted by ElusiveSAV View Post
    You can hear what I'm talking about tho? And thanks for reposting that
    I can, it may be helpful to focus on the tach though so we can know more about the RPM. At 80MPH in 5th you're going to be spooled, so what you may be hearing is the BPV depending on what your doing with the accelerator.

    EDIT: After re-reading your original post, I think this is what you're hearing. I'll be back from my business trip tomorrow and can film the same noise.

  13. #12
    Registered User ElusiveSAV's Avatar
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    Thanks! I'm baffled on what it is.

  14. #13
    Registered User ElusiveSAV's Avatar
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    It doesn't happen just in 5th. It's 3-5

  15. #14
    Registered User ElusiveSAV's Avatar
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    Bump it up

  16. #15
    Pro Manscaper Mikie13's Avatar
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    If it was that whirrring whistly kind of sound...its your turbo spooling up. Going from a flat flange DP to a bellmouth or even a divorced bellmouth design is going to open up the possibility for more audible sounds.

    Definitely check your intercooler if you're worried still. You don't need to take it to the dealer for that. Its easy bolt on/off. And check the DP for leaks if you're worried (soapy water when the car is on...you'll see bubbles).
    The Hawk-Eye Alliance #90|The Blobeye Syndicate #0|The Stink-Eye Mob #0|N.E.R.D. Founding Member & #3
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