Loud noise with back windows open
Loud noise with back windows open
I was driving with some friends this weekend, and noticed a problem that I was wondering if anyone else has it, and if there is a solution.
I had all my windows closed while driving on the highway. A friend in the back seat opened the back window, and the entire car made a LOUD noise, vibration. Due to the wind, it sort of sounded like the bass turned up to 100X. It was so bad I had to pull over, since I thought there was a problem with the car.
I then went to test it out, and could reproduce this at will. If I drive over 35, and open the back windows only.. the car makes an ungodly noise. If I crack the front window a little, then it goes away.
Has anyone else noticed this?
thanks.. and sorry if this is already addressed somewhere.
I had all my windows closed while driving on the highway. A friend in the back seat opened the back window, and the entire car made a LOUD noise, vibration. Due to the wind, it sort of sounded like the bass turned up to 100X. It was so bad I had to pull over, since I thought there was a problem with the car.
I then went to test it out, and could reproduce this at will. If I drive over 35, and open the back windows only.. the car makes an ungodly noise. If I crack the front window a little, then it goes away.
Has anyone else noticed this?
thanks.. and sorry if this is already addressed somewhere.
Welcome to the club.
Due to dynamic design of the car, this seems normal to me. The loud loud noise in high speed. You could try to search this forum, there should be lots of threads discussing more about this issue.
Due to dynamic design of the car, this seems normal to me. The loud loud noise in high speed. You could try to search this forum, there should be lots of threads discussing more about this issue.
Originally Posted by rets
Welcome to the club.
Due to dynamic design of the car, this seems normal to me. The loud loud noise in high speed. You could try to search this forum, there should be lots of threads discussing more about this issue.
Due to dynamic design of the car, this seems normal to me. The loud loud noise in high speed. You could try to search this forum, there should be lots of threads discussing more about this issue.
I spent a few minutes this weekend driving the TL with the front windows and moonroof open. I couldn't take it for very long and closed the windows and turned on the a/c.
I drove my '99 Toyota Solara yesterday with windows and moonroof open, stereo cranked, and it was quite nice.
It's definitely something about the shape of the TL that causes the turbulance. I don't like it, but it's not like I'd not have bought it if I'd known. I love the car otherwise!
Regards,
Yep - we had a discussion in another thread about this - or a complaint session really.
Its kinda like back in the day of the Six-Million Dollar man episodes, where our Hero, Steve Austin has to walk through that white spinning tunnel thing and it makes that awful, skull splitting sound. Yep - have it so I do not put the windows down in the back for fear of rupturing something or getting sucked out of the car.
Its kinda like back in the day of the Six-Million Dollar man episodes, where our Hero, Steve Austin has to walk through that white spinning tunnel thing and it makes that awful, skull splitting sound. Yep - have it so I do not put the windows down in the back for fear of rupturing something or getting sucked out of the car.

Originally Posted by bostongt
I was driving with some friends this weekend, and noticed a problem that I was wondering if anyone else has it, and if there is a solution.
I had all my windows closed while driving on the highway. A friend in the back seat opened the back window, and the entire car made a LOUD noise, vibration. Due to the wind, it sort of sounded like the bass turned up to 100X. It was so bad I had to pull over, since I thought there was a problem with the car.
I then went to test it out, and could reproduce this at will. If I drive over 35, and open the back windows only.. the car makes an ungodly noise. If I crack the front window a little, then it goes away.
Has anyone else noticed this?
thanks.. and sorry if this is already addressed somewhere.
I had all my windows closed while driving on the highway. A friend in the back seat opened the back window, and the entire car made a LOUD noise, vibration. Due to the wind, it sort of sounded like the bass turned up to 100X. It was so bad I had to pull over, since I thought there was a problem with the car.
I then went to test it out, and could reproduce this at will. If I drive over 35, and open the back windows only.. the car makes an ungodly noise. If I crack the front window a little, then it goes away.
Has anyone else noticed this?
thanks.. and sorry if this is already addressed somewhere.
What he ^ said...
Same comment as rets...
Opening the rear window creates a venturi effect making a vacuum in the car's interior which builds and then releases sounding like the whole car is a big bass drum because there is no place air can come in to replace that removed by the low pressure - until you open a front window.
It is normal and quite common with most cars that are aerodynamic. I suspect that opening the moonroof might also relieve the pressure differential.
XP
Opening the rear window creates a venturi effect making a vacuum in the car's interior which builds and then releases sounding like the whole car is a big bass drum because there is no place air can come in to replace that removed by the low pressure - until you open a front window.
It is normal and quite common with most cars that are aerodynamic. I suspect that opening the moonroof might also relieve the pressure differential.
XP
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Originally Posted by Xpditor
Same comment as rets...
Opening the rear window creates a venturi effect making a vacuum in the car's interior which builds and then releases sounding like the whole car is a big bass drum because there is no place air can come in to replace that removed by the low pressure - until you open a front window.
It is normal and quite common with most cars that are aerodynamic. I suspect that opening the moonroof might also relieve the pressure differential.
XP
Opening the rear window creates a venturi effect making a vacuum in the car's interior which builds and then releases sounding like the whole car is a big bass drum because there is no place air can come in to replace that removed by the low pressure - until you open a front window.
It is normal and quite common with most cars that are aerodynamic. I suspect that opening the moonroof might also relieve the pressure differential.
XP
The TL is not alone in being subject to THE VENTURI EFFECT. My Jeep does it. They've discussed it on a few of the Infiniti vehicle boards.....
1992 4Runner exhibits the exact same behavior.
There are so many windows, however, that you can open the back, sunroof, or one of the other four windows and relieve the internal pressure.
Those of you who are old enough to remember when it was easy to close a car door without cracking a window should understand. Even a crappy-built modern car is more airtight than old cars.
Just my .02
There are so many windows, however, that you can open the back, sunroof, or one of the other four windows and relieve the internal pressure.
Those of you who are old enough to remember when it was easy to close a car door without cracking a window should understand. Even a crappy-built modern car is more airtight than old cars.
Just my .02
this is a really old thread, but it's because a vacuum is created when a rear window is opened with all others closed.
edit: lol just read the answer was given mid way through the page. I have a bad habit of just reading the OP.
edit: lol just read the answer was given mid way through the page. I have a bad habit of just reading the OP.
Last edited by ez12a; Mar 5, 2013 at 06:33 PM.
Thankfully this is no longer a problem. Back in the old days of the last decade when this thread was started, the air was much thicker.
Now in modern times with our TLs, it's smooth sailing! :-)
(This thread wasn't just revived--it was exhumed!)
Now in modern times with our TLs, it's smooth sailing! :-)
(This thread wasn't just revived--it was exhumed!)
Why do I hear wind noise with my windows down? This is the worst car I've ever owned please help me I'm at my wits end. If I put Dynamat over the window openings will the noise go away?
Joined: Jan 2008
Posts: 36,545
Likes: 6,470
From: Kansas City, MO (Overland Park, KS)
Really, don't you guys have anything better to do than play around in a thread from 2004?
Warjat, welcome to Acurazine. We try not to re-open threads this old. It gives Justin ideas..........LOL
Thanks.
Warjat, welcome to Acurazine. We try not to re-open threads this old. It gives Justin ideas..........LOL
Thanks.
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Holy shit, Justin got trolled!!

