My 07 Silverado NBS has developed a whistle

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My 07 Silverado NBS has developed a whistle

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Chevrolet Forum >> Chevy Trucks, Vans & SUV's >> Silverado >> My 07 Silverado NBS has developed a whistle

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My 07 Silverado NBS has developed a whistle - 11/22/2007 5:10:41 PM

surburban99

Posts: 4
Joined: 11/22/2007
Status: offline

Hello,

I am a newbie to the Forum and would like some advice. In April, I purchase a NBS 2007 Silverado ext. cab. Love the truck! But last week, on the highway I have noticed a whistling sound coming from the passenger side. Almost sounds as if the window is partially down, or the door isn't closed all the way. Checked all this, and both are closed all the way.

Any suggestions??? Thanks for the help, glad I found the forum.

Post #: 1

RE: My 07 Silverado NBS has developed a whistle - 11/22/2007 5:40:12 PM

08silveradonb

Posts: 25
Joined: 9/5/2007
Status: offline

by chance do you have either a bug deflector or vent shades installed? i had some on my crew cab, and they created the same simptoms you described. so i took it to the dealer and they said that the vent shades were installed incorrectly. i removed them, and sure enough the whistling went away.

(in reply to surburban99)

Post #: 2

RE: My 07 Silverado NBS has developed a whistle - 11/22/2007 5:46:57 PM

surburban99

Posts: 4
Joined: 11/22/2007
Status: offline

quote:

ORIGINAL: 08silveradonb

by chance do you have either a bug deflector or vent shades installed? i had some on my crew cab, and they created the same simptoms you described. so i took it to the dealer and they said that the vent shades were installed incorrectly. i removed them, and sure enough the whistling went away.

Forgot to mention, no bug deflector or vent shades. Just as it came from the factory

(in reply to 08silveradonb)

Post #: 3

RE: My 07 Silverado NBS has developed a whistle - 11/22/2007 6:11:18 PM

tahoe07

Posts: 1139
Joined: 9/22/2006
Status: offline

Check your door seal. May be out of place or pinched etc.

(in reply to surburban99)

Post #: 4

RE: My 07 Silverado NBS has developed a whistle - 11/22/2007 7:34:39 PM

RonH

Posts: 424
Joined: 1/31/2007
Status: offline

Also might try folding your mirror in and driving to see if the whistle is coming from it.

Can you get someone to ride with you to see if they can pinpoint the whistle?

(in reply to tahoe07)

Post #: 5

RE: My 07 Silverado NBS has developed a whistle - 11/22/2007 8:22:42 PM

IAfarmer

Posts: 45
Joined: 5/9/2007
Status: offline

I have the same problem and I can't find it anywhere.

(in reply to RonH)

Post #: 6

RE: My 07 Silverado NBS has developed a whistle - 11/23/2007 8:25:37 PM

maradison

Posts: 6
Joined: 11/21/2007
Status: offline

I also had the same problem on my 03 silverado. I couldn't find the source anywhere. All of a sudden it just went away on its own

(in reply to IAfarmer)

Post #: 7

RE: My 07 Silverado NBS has developed a whistle - 3/30/2008 7:17:22 PM

lumberman

Posts: 4
Joined: 3/30/2008
Status: offline

Had the same problem on mine. I tool it to the dealer and there was a bulliten out from GM. They instaled a foam insert between the mirror and the door. It did the trick.

(in reply to maradison)

Post #: 8

RE: My 07 Silverado NBS has developed a whistle - 3/31/2008 5:01:54 PM

surburban99

Posts: 4
Joined: 11/22/2007
Status: offline

Dealer finally found the problem. The headlight assembly on the passenger side was out of alignment, and the air was whistling through the fender and into the cabin. They moved the assembly back into place, about 1/2 inch, and no more whistle

(in reply to surburban99)

Post #: 9