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Sante Fe rear window pounding
Have a 2010 Sant Fe and when at 80 km/hr + and we roll the rear windows down (all others up) there is a deafening pounding of viberating air. Sounds like a massive subwoofer pounding away & you can not take it. Has anyone else experienced this? If I roll down the front windows or sun roof the sound quits.
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I believe this is not limited to Santa Fe's. I've had it on a few cars when open windows create some kind of pressure oscillation that pulls on your ear drums. But cracking open an opposite window cures it..or shutting them all. I'd guess that speed, wind direction and velicity and aerodynamics all mixed together will this wompa wompa effect.
"they all do that"!! |
Everything he said is true. One of the main reasons this happens is because designers removed the drip rails that used to be above the doors and windows on older cars. Those drip rails prevented water on the roof from dripping into the passenger compartment when the window was slightly cracked open but they also created wind resistance and drag. They were removed to create a more aerodynamic car but a side effect was that now the air flow by the windows was no longer interrupted and this partially creates the pounding noise you hear in modern cars.
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Test drove '04 Tiburon this morning after service, driver window at 45+ equals booming sound..
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