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Loud whine/whistle from intake at 10% throttle?

PappaYeet

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Hello. On my VT (supercharged) there is quite a loud whine or whistling sound coming from the air intake. The sound is still present when I disconnect the tubing so I know it’s not coming from the filter. It starts off relatively quiet but gets very loud at 10-15% throttle, then starts to get quieter again.

I’ve seen other people mention that it could be the purge line under the throttle body but that all seems fine, and the sound isn’t coming from that area anyway.

Is this normal? If so, is there anything I can do to reduce it? Thanks for any help.
 

ant797

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Sure it's not coming from the charger belt it's quite common they squeel whistle with nothing wrong with them they say to spray silicon spray on belt to quieten it down
 

krusing

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