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I have a loud(not normal) high pitch squeal (whistle) from 3k to 5k at WOT, anyone hear this before?

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Old 04-20-2002, 02:48 PM
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Default I have a loud(not normal) high pitch squeal (whistle) from 3k to 5k at WOT, anyone hear this before?

Running strong still, but this whistle just started...No DTC's.
Any ideas?

TIA
Old 04-20-2002, 03:01 PM
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beautiful TURBO whistle??? :-D
Old 04-20-2002, 03:01 PM
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Tea kettle-ish? Might be a BPV sticking open.
Old 04-20-2002, 03:02 PM
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Yes, but a little higher pitched and loud...
Old 04-20-2002, 03:03 PM
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I wish!
Old 04-20-2002, 03:14 PM
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does is sound like: weeeeeeeeeeeeeeeee ?
Old 04-20-2002, 03:19 PM
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Default log block 115 and try to see if your getting normal boosst levels

I had a noise kinda like a high pitched drill but from a little below 2000. Dealer drove car, heard noise, then said they tested turbos and they werent making full boost so they replaced them.
Old 04-20-2002, 03:20 PM
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Default No, it's a loud squeal not normal turbo whine...

The turbos still whistle in the 2k to 3k range under low load.
Old 04-20-2002, 03:23 PM
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Default I did that couple weeks ago and every thing was fine, but...

I should do it again. I, still, seem to be getting normal power though!?!
Old 04-20-2002, 03:51 PM
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Default I get a pretty prominant "weeeeee" at WOT

that I can only hear with the windows up and all the way to redline. With the wndows down I can hear the turbo spooling "swisssss" that disappears after ~3500 rpm

it's been doing this since day one, but the "weeee" got louder after chipping.


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