High pitch whine, from intake or turbo? - Page 2
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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; If it was the turbo wouldn't I easily be able to replicate it with throttle control and rpms? I can't ...

  1. #16
    Registered User ElusiveSAV's Avatar
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    If it was the turbo wouldn't I easily be able to replicate it with throttle control and rpms? I can't and I took a few guys for a ride last night, they have a garage, and I couldn't even get my car to do it, made me look like a fool haha. I dunno, and mikie13, the sound is right at like 2 seconds very high pitch if you can hear it.

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  3. #17
    Registered User Ruh Roh's Avatar
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    any exhaust leaks where catback and DP mate? kinda sounds like BPV is opening from what i can hear..
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  4. #18
    Registered User ElusiveSAV's Avatar
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    shouldn't i be able to replicate the sound tho. Pinpoint when it happens if it was a leak?

  5. #19
    Registered User ElusiveSAV's Avatar
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    so it sounds like a high pitch fluttter, happened in 4th today passing someone, roughly 60-80 mph

  6. #20
    and the Funky Bunch Calvinball's Avatar
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    Quote Originally Posted by ElusiveSAV View Post
    so it sounds like a high pitch fluttter, happened in 4th today passing someone, roughly 60-80 mph
    Wastegate flutter.
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  7. #21
    Registered User ElusiveSAV's Avatar
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    Very high pitch, only since I went stage 2. It's sooo annoying.

  8. #22
    Registered User ElusiveSAV's Avatar
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    High pitch 2 - YouTube
    Dunno if you can hear it better here. I don't think it's wastegate

  9. #23
    Registered User ElusiveSAV's Avatar
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    New video no help?

  10. #24
    Registered User mcdbrendan's Avatar
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    I hear it. It only happens when you're at partial throttle, correct? If you floor it when the noise is being made, does it stop as boost pressure increases? Sounds like the BPV to me (normal), and you're hearing it more because of your mods.

  11. #25
    Registered User ElusiveSAV's Avatar
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    It does it both. Only building boost. At peak it doesn't do it. I wanna say k y around 3-5k Rpms

  12. #26
    Pro Manscaper Mikie13's Avatar
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    I really don't hear anything abnormal...
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  13. #27
    Registered User ElusiveSAV's Avatar
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    If you were riding in the car you would hear it. Very high pitch, just hard to capture on camera.

  14. #28
    and the Funky Bunch Calvinball's Avatar
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    Is that similar?
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  15. #29
    Registered User mcdbrendan's Avatar
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    Quote Originally Posted by ElusiveSAV View Post
    If you were riding in the car you would hear it. Very high pitch, just hard to capture on camera.
    I think what Mikie was saying is that the noise you are hearing is perfectly normal. You're holding boost and the BPV behaves as it should when WOT. Everything is fine.

  16. #30
    Registered User mcdbrendan's Avatar
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    Quote Originally Posted by Calvinball View Post
    Is that similar?
    Very different if you listen to either of OP's vids.

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