Design Flaw
08-06-2003, 07:57 PM
#1
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Thread Starter
Join Date: Jul 2003
Posts: 18
Design Flaw
I have a 2004 black Maxima SL that is approximately one month old. I've really enjoy my car (it has 3500 mles already), but I noticed one thing that is really strange. If you roll your back windows all the way down while the front windows are up, the wind makes a very loud noise while driving at highway speeds. You can even feel the pressure created by the wind in your ears. I very seldom drive with my windows down especially the back windows, but I did find the experience very annoying. I wonder why this problem was not corrected before the car went into production.
08-06-2003, 08:03 PM
#2
Donating Maxima.org Member
Join Date: Apr 2003
Posts: 184
Re: Design Flaw
Originally posted by 2004BlkMaxSL
I have a 2004 black Maxima SL that is approximately one month old. I've really enjoy my car (it has 3500 mles already), but I noticed one thing that is really strange. If you roll your back windows all the way down while the front windows are up, the wind makes a very loud noise while driving at highway speeds. You can even feel the pressure created by the wind in your ears. I very seldom drive with my windows down especially the back windows, but I did find the experience very annoying. I wonder why this problem was not corrected before the car went into production.
I have a 2004 black Maxima SL that is approximately one month old. I've really enjoy my car (it has 3500 mles already), but I noticed one thing that is really strange. If you roll your back windows all the way down while the front windows are up, the wind makes a very loud noise while driving at highway speeds. You can even feel the pressure created by the wind in your ears. I very seldom drive with my windows down especially the back windows, but I did find the experience very annoying. I wonder why this problem was not corrected before the car went into production.
I guess BMW has a design flaw in the 3-series by your logic?
08-06-2003, 08:11 PM
#3
Senior Member
Join Date: Mar 2002
Posts: 237
Its not a design flaw, air going in needs a way to go out, or pressure will build up. With only the rear windows open there is no way for entering air to escape except for where the air entered, which is through the rear windows. That is why you get a pulsating sound. It is the air entering and exiting the vechicle as well as the pressure build up in the vechicle. To eliminate the problem open a front window so the air can escape as it enters. All cars do this for the most part. It is not a flaw, but rather an inherent characteristic of any car design. Hope this helps.
08-06-2003, 08:38 PM
#6
Moderator GT-R
Join Date: Aug 2000
Posts: 19,780
Re: Design Flaw
Originally posted by 2004BlkMaxSL
I have a 2004 black Maxima SL that is approximately one month old. I've really enjoy my car (it has 3500 mles already), but I noticed one thing that is really strange. If you roll your back windows all the way down while the front windows are up, the wind makes a very loud noise while driving at highway speeds. You can even feel the pressure created by the wind in your ears. I very seldom drive with my windows down especially the back windows, but I did find the experience very annoying. I wonder why this problem was not corrected before the car went into production.
I have a 2004 black Maxima SL that is approximately one month old. I've really enjoy my car (it has 3500 mles already), but I noticed one thing that is really strange. If you roll your back windows all the way down while the front windows are up, the wind makes a very loud noise while driving at highway speeds. You can even feel the pressure created by the wind in your ears. I very seldom drive with my windows down especially the back windows, but I did find the experience very annoying. I wonder why this problem was not corrected before the car went into production.
08-06-2003, 08:39 PM
#7
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Join Date: Mar 2002
Posts: 237
Originally posted by CanadianMoFo
Its much like when you blow across the top of a glass pop bottle. It resonates and makes a noise. Only in this case you are inside the pop bottle. Its a natural phenomenon.
CM.
Its much like when you blow across the top of a glass pop bottle. It resonates and makes a noise. Only in this case you are inside the pop bottle. Its a natural phenomenon.
CM.
08-06-2003, 08:55 PM
#9
Senior Member
Join Date: Apr 2003
Posts: 1,282
Originally posted by TheNip73
Its not a design flaw, air going in needs a way to go out, or pressure will build up. With only the rear windows open there is no way for entering air to escape except for where the air entered, which is through the rear windows. That is why you get a pulsating sound. It is the air entering and exiting the vechicle as well as the pressure build up in the vechicle. To eliminate the problem open a front window so the air can escape as it enters. All cars do this for the most part. It is not a flaw, but rather an inherent characteristic of any car design. Hope this helps.
Its not a design flaw, air going in needs a way to go out, or pressure will build up. With only the rear windows open there is no way for entering air to escape except for where the air entered, which is through the rear windows. That is why you get a pulsating sound. It is the air entering and exiting the vechicle as well as the pressure build up in the vechicle. To eliminate the problem open a front window so the air can escape as it enters. All cars do this for the most part. It is not a flaw, but rather an inherent characteristic of any car design. Hope this helps.
In my Excursion it was so bad that it actually hurt my ears to have a window in the back seat open with out one of the back corner windows, or front windows open. It is going to happen in any car that has windows that roll down in the back seat.
08-06-2003, 08:58 PM
#10
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Join Date: Aug 2000
Posts: 19,780
Originally posted by gmc74
It creates a low pressure area in the front of the car, much the same way a low pressure area is created behind the windshield of a convertable. That is why your hair blows forward in a convertable.
In my Excursion it was so bad that it actually hurt my ears to have a window in the back seat open with out one of the back corner windows, or front windows open. It is going to happen in any car that has windows that roll down in the back seat.
It creates a low pressure area in the front of the car, much the same way a low pressure area is created behind the windshield of a convertable. That is why your hair blows forward in a convertable.
In my Excursion it was so bad that it actually hurt my ears to have a window in the back seat open with out one of the back corner windows, or front windows open. It is going to happen in any car that has windows that roll down in the back seat.
08-06-2003, 09:10 PM
#12
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Join Date: Apr 2003
Posts: 1,282
Originally posted by bluemaxx
It seems particularly bad in cars whose rear windows roll all the way down.
It seems particularly bad in cars whose rear windows roll all the way down.
The effect is her hair blows forward, and mine doesn't
08-06-2003, 09:59 PM
#14
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Location: Innisfil, Ontario
Posts: 446
I also find it in most cars that have 'all the way roll down rears', but for some reason, i have only noticed it on cars/SUV's that are ellivated. My mom's CR-V does it. my friend and I call it Chopping. It sounds like a Helocopter above ur car. The 6th Gen has a very big roof line, not like an SUV, but bigger then most cars.
08-06-2003, 10:34 PM
#16
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Join Date: Jan 2002
Posts: 8,659
Originally posted by Asmitty
i saw this exact same post in the Murano forums.....sounds bogus to me...i think someone copied and pasted it. it was the exact same wording.
i saw this exact same post in the Murano forums.....sounds bogus to me...i think someone copied and pasted it. it was the exact same wording.
busted, then again, maybe the murano forums copied us, or...... it might be the same guy posting the same thing 
08-07-2003, 09:16 AM
#17
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Join Date: Jan 2003
Posts: 225
Originally posted by CanadianMoFo
Its much like when you blow across the top of a glass pop bottle. It resonates and makes a noise. Only in this case you are inside the pop bottle. Its a natural phenomenon.
CM.
Its much like when you blow across the top of a glass pop bottle. It resonates and makes a noise. Only in this case you are inside the pop bottle. Its a natural phenomenon.
CM.
08-07-2003, 08:21 PM
#18
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Join Date: Jun 2003
Location: a meadow south of Atlanta
Posts: 8,143
Nice to see all these intelligent (and correct) answers.
I first noticed this 'problem' in my '49 Studebaked over fifty years ago, and it has been present in every car I have ever owned (including three Maximas), for the exact reasons put forth so eloquently by the responders to this thread.
I first noticed this 'problem' in my '49 Studebaked over fifty years ago, and it has been present in every car I have ever owned (including three Maximas), for the exact reasons put forth so eloquently by the responders to this thread.
08-08-2003, 12:50 PM
#19
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Join Date: Sep 2000
Posts: 422
yeah but.....
Originally posted by lightonthehill
Nice to see all these intelligent (and correct) answers.
I first noticed this 'problem' in my '49 Studebaked over fifty years ago, and it has been present in every car I have ever owned (including three Maximas), for the exact reasons put forth so eloquently by the responders to this thread.
Nice to see all these intelligent (and correct) answers.
I first noticed this 'problem' in my '49 Studebaked over fifty years ago, and it has been present in every car I have ever owned (including three Maximas), for the exact reasons put forth so eloquently by the responders to this thread.
08-09-2003, 04:26 AM
#20
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Join Date: Jun 2001
Location: Upstate NY
Posts: 342
like jimmy said.....it is called buffeting....nissan is usually pretty good at taking care of this but the murano has the same problem as well...(with the roof open and all windows closed...low speeds)...
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