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Wind noise with rear window open - Click HERE for Original Thread
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Yankiwi
2006 MDX

When travelling at speeds above 45mph with the rear windows open, a wind flapping noise occurs which eventally becomes unbearable. Has anyone else experienced this ?.
eurohazard
Try opening both windows a little bit instead of 1 window all the way. This is normal operations for all cars........the MDX seems worse than most though.

If it still happens with both rears down, crack one of the fronts, and it will be good for sure.
nightguy
quote:
Originally posted by eurohazard
This is normal operations for all cars........the MDX seems worse than most though.


I haven't tried it in all my cars but I seem to remember it in most. My dad's '86 Accord was really bad. Maybe it's a Honda feature !
Echo2625
All vehicles have this issue.

As mentioned above, crack open a front window and the "unbearable" noise goes away.....
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jatharp
Just shut the windows and it will go away.Is that to hard to figure out??????
HARDROCK
Cars nowadays seem to be designed to be driven with all windows up and the climate control system on....
andreseng
quote:
Originally posted by Yankiwi
2006 MDXWhen travelling at speeds above 45mph with the rear windows open, a wind flapping noise occurs which eventally becomes unbearable. Has anyone else experienced this ?.


This only happened to me when I had the moonroof open. I installed a moonroof visor and I no longer have the problem.
EXCALIBUR
quote:
Originally posted by Yankiwi
2006 MDX

When travelling at speeds above 45mph with the rear windows open, a wind flapping noise occurs which eventally becomes unbearable. Has anyone else experienced this ?.

What you are describing is the famous *helicopter* feature that is commonly found on SUV's, including the MDX. Enjoy.;)
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vtech016
never had this problem with any other car except mdx, maybe because its a suv, not sure why. but positively never experienced the helicopter in any car, not even my 88 legend.
ByeByeChrysler
turbulence, caused by the interior design of SUV's and minivans, its very common.
In my dad's Caravan manual, even has a paragraph on the subject.
Sinecure
IMO, this happens in large part because Hondas have really good air seals around the doors so there's very little leakeage - unlike many other cars, especially american ones. So you get a weird pressure imbalance with just one window open. Cracking any other window or the sunroof will resolve the problem.
Izzdog
Helicopter huh? Sure sounded like one on top of my car yesterday. Experienced it first hand yesterday (my '06 X) as I had lowered the rear passenger window and forgot it was down and when I started moving the noise started and I did not know what hit me or what the hell was going on. It was pretty loud and I thought maybe a flat tire or something wrong with the car...and then it dawned on me. WOW...should I warn my wife or let her experience it herself:D
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G. COLTON
quote:
Originally posted by HARDROCK
Cars nowadays seem to be designed to be driven with all windows up and the climate control system on....


Are you my wife in disguise?

That is exactly the way she thinks!!! I like to ride with the windows open until it gets too hot to bear. Just like the wind blowing through my hair. Maybe it takes me back to my drop head sport car days.

G
G. COLTON
quote:
Originally posted by andreseng


This only happened to me when I had the moonroof open. I installed a moonroof visor and I no longer have the problem.



How do you open a moonroof? Usually they are solid.

G
G. COLTON
quote:
Originally posted by eurohazard
Try opening both windows a little bit instead of 1 window all the way. This is normal operations for all cars........the MDX seems worse than most though.

If it still happens with both rears down, crack one of the fronts, and it will be good for sure.



So very true. Have yet to find a vehicle that did not need more than one window open to provide pressure relief. Even the drivers window needs one of the rear windown cracked to relieve pressure.

G
eurohazard
quote:
Originally posted by G. COLTON

Just like the wind blowing through my hair.

G



I always imagined you as a bald guy! :2:
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ghost
quote:
Originally posted by ByeByeChrysler
turbulence, caused by the interior design of SUV's and minivans, its very common.
In my dad's Caravan manual, even has a paragraph on the subject.



No, resonance! Turbulence is chaotic - this has a frequency to it.

My kid loves to open the back window and set this up, drives me nuts...
andreseng
quote:
Originally posted by G. COLTON
How do you open a moonroof? Usually they are solid.
G



You're so damn funny..... Now read this:
G. COLTON
quote:
Originally posted by Yankiwi
2006 MDX

When travelling at speeds above 45mph with the rear windows open, a wind flapping noise occurs which eventally becomes unbearable. Has anyone else experienced this ?.



That is a problem that has been around as long as there have been vehicles with windows that open. You ALWAYS get noise when you only open one window. Depending upon the geometry of the vehicle you are driving you can be experiencing the air trying to increase or decrease the pressure inside the vehicle. Either way the "wind" noise is generated.

G
captk
My 2002 does it too. From what I recall from my acoustics course in college, the car is a large Helmholtz resonator (think blowing air across the top of a beer bottle) with one or both rear windows open and all others closed. The frequency is low, I'm guessing about 3 Hz. The pressure oscillations are large enough to cause minor discomfort in the ears.

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