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- - 02 Suburban annoying whistle! (https://67-72chevytrucks.com/vboard/showthread.php?t=740981)

MachinistRandy

06-25-2017 03:23 PM

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?

-Randy

https://youtu.be/XS73GQjX0jk

richards72chevy

07-01-2017 07:48 AM

Re: 02 Suburban annoying whistle!

Could it be the alternator?

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