Manual Tranny rattle, noise...normal?

The G-Series Tuning Forum is the place to discuss G35/G37 performance modifications and mechanical repair.
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silentpjt78
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Joined: Wed Jul 09, 2008 4:31 am

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I have an 06 g35 coupe manual with 25k on it. I bought the car with 16k and have always heard this rattling noise at idle and especially when the car is warm and I shut it off. I thought it might be the throwout bearing, but when I took it to the dealer, they said it was the gears spinning in the tranny and when I press the clutch it engages everything and goes away. They told me this was normal but it is so loud and annoying. I have to confirm but I also believe it makes the noise when I am driving in gear. Is this normal, or should I go to another dealer to try to get it fixed?

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awdjdmtalon
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Car: 04 G35 Coupe, Diamond Grafite Metalic, Aero package, 6MT

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My 04 makes the same noise at idle in neutral w. the clutch out. And when I shut it off. But if the clutch is pressed in, it does not make that noice. I belive that is normal. There is a write up in the tech section on adjusting the clutch pedal. And it referances the noise.
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G_whizz
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I don't have this noise so I don't consider it "normal"

It's not the injectors your hearing is it?
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silentpjt78
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no its definitely something in the clutch or tranny, and when you shut the car off you can hear it kind of wind down, as it rattles louder. I understand what the mechanic is saying, but to me it doesnt sound like it should happen, especially since I have owned numerous manual cars from fords to bmw's and I never heard anything like it.
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C-Kwik
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It's normal. It has to do with the dual-mass flywheel.
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joe603
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Try turning the car off with the clutch depressed. If the noise goes away, it's the dual-mass flywheel.
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awdjdmtalon
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Car: 04 G35 Coupe, Diamond Grafite Metalic, Aero package, 6MT

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joe603 wrote:Try turning the car off with the clutch depressed. If the noise goes away, it's the dual-mass flywheel.
Thats what I did to figure out what my noise was.
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RED_DET
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It's normal.
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thahman
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Took me a bit to figure that out, too!
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