Hi everyone

I bought a g35 and it has 135k miles. It has been making this transmission chatter noise in neutral and at when revving at low rpms (1k-2k). I searched around and looked at a lot of forum posts saying that this is the flywheel chatter that a lot of g35s and 350zs make. I'm not sure if this chatter is too much? and that if I continue driving my trans could blow up? Need your guys' input

video: 0:04-0:05 is where i press the clutch in and the noise is gone. I shut off the car the end with clutch not pressed in and gets little bit louder as it shuts off.

I know that lightweight flywheel makes this noise but I have no idea if the clutch components have been changed in this car before.

here's some other videos I found from other people with this noise:

My noise sounds identical to this. What do you guys suggest? keep driving? or should I get the trans out and replace the clutch components?
appreciate any help I could get thanks!

 

These cars commonly did this even when brand new (like mine). The transmission is not going to blow up. IIRC it’s the throwout bearing that causes the noise. Unless it’s ALWAYS doing it I wouldn’t bother trying to fix it.

 

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thanks for replying! can you define always doing it? It almost always does it when staying still in neutral sometimes loud sometimes soft. and it also does it when revving at low rpm eg. when i shift to 3rd at around 1500 rpm it will do it and go away at 2000 rpm. rest of the time when driving normally it does not make the sound.

 

Make a better video. Open the door and stick your camera UNDER the vehicle so the sound can be heard, that will help determine what the actual problem is.

 

will post a better video later. thanks!

found this thread with people discussing the exact same issue: https://my350z.com/forum/maintenance...gnition-3.html
in a couple weeks im changing trans fluid, oil, and changing slave + master cylinder with steel clutch line hoping that helps a little bit since my pedal is getting stuck a little bit

 

here's a video i took today on cold start:

not very noticeable on cold start u can hear it gets slightly louder towards the end as rpm drops a bit. drove around for a bit today everything felt normal, noise wasn't as loud as the first video i posted

 

Honestly it sounds pretty normal for a clutch/TO bearing with 100k+ miles on it, definitely not a clutch chatter sound though.

 

Sounds like the throwout bearing is on it's way out. If you aren't having shift problems I'd just keep driving, could still go thousands of miles before it gets worse.

 

What do you think this noise could be.