Harmonica

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dt137

TYF Newbie
Joined
May 23, 2016
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Hello everyone, So I have this annoying issue that I cant seem to find on this forum ( If already posted please share link ) So every time I start driving my 2003 Tahoe ST I get this harmonic sound coming from the front end somewhere. Usually around 10-15 mph does it happen. Anyone else get this? Is it the grille? Cant seem to find the source of this sound.
 

Merc1973

Full Access Member
Joined
Sep 16, 2016
Posts
351
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Location
Maryland
Watch the RPMs and post when it happens. Mine does this at 2000-2300 RPM due to a bad intake gasket.
 

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