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Old 06-25-2017, 03:23 PM   #1
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Join Date: May 2017
Location: Seminole, FL
Posts: 9
02 Suburban annoying whistle!

Hey guys, my wife has been begging me to fix this for her, but I can't figure it out. Intermittent whistle that sounds like it's coming from the intake manifold. Check out the video below. It's a flex fuel with 180k miles. And ideas?

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Old 07-01-2017, 07:48 AM   #2
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Join Date: Dec 2010
Location: konawa ok/oakdale Ca.
Posts: 1,275
Re: 02 Suburban annoying whistle!

Could it be the alternator?
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