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Old 09-05-2013, 10:23 PM   #1
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Rattling clutch or trans in neutral

I have an 05 Rubicon with 54k miles with the NSG 370 6speed.

When the shifter is in neutral and the clutch is not pressed in, there is a rattle coming from underneath. Still in neutral with clutch pressed in, the rattle goes away. I've checked for any loose linkage or slop and found none. Had a friend press in the clutch while underneath and, while the rattle went away, I could not find the source of it.

Any thoughts? Thanks in advance.

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Old 09-05-2013, 10:25 PM   #2
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Don't quote me on this but that sounds like your throwout bearing? That is the only thing that I can think of. Maybe someone can come in here and agree with that it is the throwout or that I am wrong.

But I believe it is the throwout bearing.

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Old 09-05-2013, 10:28 PM   #3
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EMT Jeep sound right. My 06 does the same thing. I had old corolla it did it too. I never found out what it was but it never gave me any problems.
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Old 09-05-2013, 10:28 PM   #4
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Throwout bearings won't make that noise, throwout bearings are only engaged and spinning when the clutch pedal is being held down.

Our transmissions normally make a very audible whirring sound when in neutral with the clutch out. That is because the engine is spinning the transmission's input shaft & bearings which is what you hear. When you step down on the clutch pedal, that disconnects the engine from the transmission so the transmission input shaft & its bearings stop spinning.
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Old 09-05-2013, 10:39 PM   #5
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Thanks. It seems pretty harmless and I can't really hear it unless I'm up against a wall and the rattle is echoing off it.
So this is something I shouldn't be worried about? Is there anything in particular I should check out to prevent any potential problems?
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Old 09-05-2013, 11:03 PM   #6
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Once again, there is nothing wrong, that noise you're hearing is normal & nothing more than the bearings spinning with the transmission's input shaft. Jeeps use loud truck transmissions & there is next to no soundproofing between you & the transmission... a thin piece of carpeting, that's it.
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Old 09-05-2013, 11:07 PM   #7
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Second day I had my 6 speed I called carmax back and said my trans is jacked up lol. Guy was a jeep master and he said it was normal, also let a guy at another shop we know who is also a jeep wiz listen to it and he said it was normal but it does the same exact thing more noticeable when hot tho

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