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Wind noise-flapping


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6 replies to this topic

#1 OFFLINE   ISU_Cyclone

ISU_Cyclone

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Posted 11 July 2017 - 09:54 PM

I have this obnoxious sound at about 45mph+ just over my left shoulder, possibly near the rear drivers side wheel. It sounds like something loose is flapping in the wind. Does anyone else have this noise? It's driving me crazy







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#2 OFFLINE   stolenmoment

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Posted 12 July 2017 - 04:22 AM

My rear seat belts flap around when the windows are open.  Try buckling them up and see if the noise goes away.


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#3 OFFLINE   ISU_Cyclone

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Posted 12 July 2017 - 05:05 AM

It's definitely exterior

#4 OFFLINE   fotomoto

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Posted 12 July 2017 - 05:43 AM

Yes, I do.  I can only hear it under certain conditions: radio and HVAC fan on low or off, all windows closed, smooth, quiet road, speeds between 30-50mph.  To me, it sounds sort of like a partial seatbelt hanging outside the door flapping/fluttering in the wind which it is not.  I've also chalked it up to a feedback type error of the noise-cancelling system and recently I've thought it might be the left rear tire beginning to get out of balance.  I had really convinced myself it was the tire and was going to get it checked until I saw this thread.   Hmmm. :headscratch:



#5 OFFLINE   MaxLB

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Posted 12 July 2017 - 05:59 AM

Have you made sure that the weatherstrip flap on the front side of the rear door is not rolled under where it contacts the b pillar?  Mine was like that when I first got the car and it made a weird noise.  Some lube on the strip and a few days of making sure it was not getting rolled under cured that problem.



#6 OFFLINE   ISU_Cyclone

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Posted 12 July 2017 - 05:58 PM

I'll take a look at the weatherstripping. I hear it under the exact conditions fotomoto described. My best guess when I hear it is that the plastic trim in the rear wheel well is vibrating from cross wind as I drive but I can't find any loose parts

Edited by ISU_Cyclone, 12 July 2017 - 05:59 PM.


#7 OFFLINE   ISU_Cyclone

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Posted 13 July 2017 - 10:17 PM

I've narrowed it down to loose plastic cladding on the underbody in front of rear wheel. There are plastic panels that are not snug to the metal underside of the car. I'm not sure yet how I'm going to tackle getting these panels more secure.








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