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Whining noise at 15lbs of boost???

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Old 07-20-2011, 09:28 AM
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Default Whining noise at 15lbs of boost???

Just started this morning... As soon as I start boosting around 15lbs I here a high whining noise. I havent seen any power loss, any ideas of what this may be?
Old 07-20-2011, 11:00 AM
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Does it sound like a dentist's drill?

If so could be the sign of a dieing turbo.

Jason
Old 07-20-2011, 01:31 PM
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Well I did a bit more listening on the way home from work today. It isn't a high pitched whining, it's more of a high pitched humming around 10lbs., and boost starts to lag off around 12lbs. Could it be a boost leak somewhere? maybe a hose?
Old 07-21-2011, 05:41 AM
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Definitely do a boost leak test so see if you can reproduce the same sound.

Jason
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