Vibration at highway speeds

Old Mar 8, 2018 | 06:51 PM
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Vibration at highway speeds

just bought a 2012 G37S 6 mt sedan 53,000 miles.
Sometimes at idle I hear what I think is bearing noise. Similar to what it sounded like when the input bearing went out on my maxima 5 speed. Also vibration at highway speeds, vibration goes away when I put the clutch in and rpm’s come down. so it’s obviously in the drive train, Anyone have similar issue.
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Old Mar 8, 2018 | 06:54 PM
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Do you get the vibration at highway speedway in neutral? This could indicate the driveshaft might be the issue.
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Old Mar 8, 2018 | 09:58 PM
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I’ll try it, I’ve done some research and some people have had issues with the drive shaft.
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Old Mar 10, 2018 | 12:28 PM
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Vibration

Originally Posted by Dooner
I’ll try it, I’ve done some research and some people have had issues with the drive shaft.
same issue when in neutral, rpms Come down vidration goes away. The dealer I bought it from is out of town, and not returning my calls so he may have know about it.
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Old Mar 10, 2018 | 01:16 PM
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I assume you didn't mean to strike out your text.

Well, that eliminates rear wheels, rear axles, differential, and the output shaft of the transmission. Now you're looking at the harmonic crack balancer, alternator, A/C compressor, crankshaft, flywheel, or trans input shaft.
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