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Air pressure noise when windows down


mediaspacetj
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Hi, we bought a 2011 Aurion Touring about 6 months ago. Very happy with it.

We've found that when a window is opened, particularly in the rear we get a wopwopwopwopwop air pressure sound and feel that is hard on the ears. It starts around 40kph and gets worse the faster you travel.

Anyone have a similar issue? What causes it and how can we fix it short of only rolling down the window about an inch?

Thanks for any insights you can give.

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Lower another window a little bit - the noise you are hearing is the air inside the car resonating (like when you blow across the top of the bottle) - it is trapped and has nowhere to go so there are pressure waves building up. To relieve the pressure, lower another window (usually the same window on the other side of the car) a couple of inches and the noise should go away.

By no means is this an Aurion- or even Toyota-specific thing, it happens to all cars. Weather shields help as they allow you to open the windows slightly without direct air flow (as well as smoothing out the airflow around the doors) but do not completely fix the problem.

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Thanks guys

What's interesting is we've owned 2 previous Toyotas, an 89 CSX Camry that we sold to buy the Aurion - had 460,000kms on the clock and was still going fine, the other is a 95 Camry Vienta Touring which we still have and it has 480,000kms on it and you can't kill it with a stick! BOTH cars didn't do the air pressure thing, neither did the Ford Falcon, the Ford Cortina, the Nissan TRX or the HQ "3 on the tree" Holden we've owned before that. It's just this car and it's when the young bloke winds the window down in the back. Don't think it happens in the front.

I was thinking it might be the shape of the car. Seems to be wider in front than the back.

Anyway we are pretty much doing as you suggested, winding another window down. Might invest in weather shields.

Thanks again for your comments.

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