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  1. #11


    Quote Originally Posted by jbf00sub View Post
    If this is what you are hearing if you lift up on the trim on each side and put a bead of black rtv between the trim and glass and let it sit a couple hours the trim will stay adhered to the glass and noise will be gone.

    Pardon my ignorance, but what exactly is "rtv"?
    Hallsville, TX

    2005 Silverado 1500 LS Crew Cab 5.3L 2WD
    Magnaflow Exhaust
    Hypertech Max Energy Programmer
    Suspension Leveling Kit
    Putco Element Window Visors
    Carriage Works Billet Grille
    TruXedo TruXport Tonneau Cover

  2. #12


    I am getting the exact same noise. Sounds like a "hard" rain and it only occurs at speeds near or over 70mph. I too have a bug deflector. I will try the suggestion of RTV or double side tape. You guys rock!!
    Nick - Ohio
    2008 Chevy Trailblazer LT (Loaded w/leather)
    2008 Chevy Silverado LT (Crew Cab w/ cloth) 1LT option only

  3. #13


    does it sound kinda like ice cubes hitting the winshield? do you have an after market bug shield?

  4. #14
    Master Mechanic daddytech's Avatar
    Join Date
    Mar 2008
    Portland TN


    You know when your radio is loud enough you really don't get to hear all those sounds at highway speeds or faster.

    Actually I had something like that with my 89 silverado too and it wound up being the weather stripping seal on the passenger side door. once that was replaced the issue was resolved. my 99 tahoe doesn't need it though it's all good still , no noise at all.

  5. #15

    Default New improved

    We make a kit for the Silverado, Tahoe, Sierra and Trailblazer that fixes the wind noise issue

    Last edited by prats4; 11-22-2009 at 08:44 PM.

  6. #16
    Jr. Apprentice
    Join Date
    Jun 2009
    Longview, Wa


    I traced the flapping noise on my 04 to the rubber flap around the hood hinge.

  7. #17


    I had it on my 99 Sierra. Always thought is was the passenger side wiper end flapping but could never "catch it doing it". Then I heard it on the new truck. Both have bug shields. It makes sense. I'll try the tape or silicone trick on the side molding. The 08 doesn't have top molding so it must be the side.

    XS ive1:(^^^)
    2008 Silverado Crew LTZ Southern Comfort conversion
    SoCo cat back duals
    Volant CAI
    6" Pro-Comp lift
    ARE cap with Yakima rack system (winter)
    GM Hard tri-fold tonneau (summer)
    GM rear wheel liners

    XS ive2:(avatar)
    2014 Silverado 2500HD CCSB LTZ Z71 6.6 DMax/Allison
    6.5" BDS 35" Nitto Trail Grapplers
    LineX/wheel liners/OEM tube steps/sunroof/slider/mirrors/Nav/cablights/trifold tonneau

    Getting the toys to the track with a 2007 Roadmaster 7X12 V-Nose 7k tandem "Mobile Man Cave".

  8. #18


    Sorry our website was damaged it is now restored.


  9. #19
    Sr. Mechanic sc99z71's Avatar
    Join Date
    Feb 2007
    Moncks Corner, SC


    I had the noise real bad at anything above 60 and it was getting real annoying, so I put a nice thick bead of clear silicon underneath all of the black rubber trim around the windshield and noise is now gone.
    99 Silverado 1500 Z71
    5.3L 4L60E Tranny
    TransGo Shift Kit
    2.5" Rough Country
    Suspension Lift
    33" BF Good A/T
    Cherry Bomb Turbo
    Cobra CB w/
    Dual Fiberglass Antennas

    01 Kawasaki KLR650

  10. #20
    Sr. Apprentice Nickw059's Avatar
    Join Date
    Dec 2009
    Larmie, Wyoming


    If you have a big deflector, that makes a funny noise too. i have one, we put one on my dads truck, and now it makes the same noise. there's a bunch of information on this, because it re directs air flow
    2004 chevy Silverado 4X4
    Cold Air Intake

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