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New member whom purchased a G6 -4 door model with the powerful 4 cylinder engine :confused: Only 3000 miles on it and when you roll down the back windows about 6 inches there is a severe harmonic vibration that you can't stand. Anyone else have that problem??
 

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Hi Jim,

Yeah, the brain pounding sound you hear is common to the G-6's. But it also happens in my Nissan and my Jeep too, so I'm not sure if there is anything you could do about it except open the front windows a little or open the sunroof, if so equipped.
 

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I wouldn't know heh since I only have 2 windows and a sunroof that open. But not being a smart ass for a second it has happened to me before in my moms passat wagon. Welcome to the forums and have a good time.
 
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