Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   In cabin vibration form CBE (http://www.the370z.com/intake-exhaust/40435-cabin-vibration-form-cbe.html)

SPOHN 01-02-2012 06:43 PM

You think your rattle is bad. Try removing all the rear panels inside the car like I have and see how annoying that is. I have removed one heat sheild pictured above. But I'm thinking it's the one around the gas tank now. Not removing that one though.

QVu 01-03-2012 07:09 PM

Quote:

Originally Posted by CC_370z (Post 1473105)
I completely removed the heat shield, would that be a problem?

http://i43.tinypic.com/tan0uh.jpg

For me it sounds like the plastic from the rear hatch vibrating but i could be wrong. Please let me know if this is what you are hearing and it IS actually that heat shield piece that you removed in the picture above.

I saw your post on the FI exhaust thread and Tony said to bend the corner away for my clearance. Please let me know what you did to resolve it. Its drving me bonkers!

Thanks!!!

CC_370z 01-03-2012 09:18 PM

Quote:

Originally Posted by QVu (Post 1474609)
For me it sounds like the plastic from the rear hatch vibrating but i could be wrong. Please let me know if this is what you are hearing and it IS actually that heat shield piece that you removed in the picture above.

I saw your post on the FI exhaust thread and Tony said to bend the corner away for my clearance. Please let me know what you did to resolve it. Its drving me bonkers!

Thanks!!!

Yup I bend the corner like the instruction said.. but it was still vibration, so I removed.

RESULT: The rattle from the back that sound like the metal is completely gone. I am happy.

However there are some rattle (plastic, not metal, coming from passenger side. I am trying to isolate that buy driving at that RPM range where rattle begin and putting my hand on stuff to see. :ugh2:

I also remove the Touring model retractable trunk cover and that HELP A TON!

BTW, I have Touring model with Bose, 7AT.

mrcoolguyface 01-20-2012 01:46 PM

Hey all...

Same exact problem. Sounds like it's coming from inside the rear passenger hatch the vibration kicks In at about 3200RPMs to 4000RPMs... Doesn't sound like a metallic rattle, or something that a heat shield removal would cure. but more like loose plastic panels from the inside of the rear hatch, its seriously driving me NUTS... It is literally all I can hear when I'm in the car now... Very irritating. What the heck is this? I have been waiting for a nice day off when I can really get in to isolating, locating, and exterminating this issue. . . Still have not had a chance to.

mrcoolguyface 01-20-2012 01:52 PM

Also correct me if I'm wrong, but isn't that large heatshield the one over the fuel tank?? Shouldn't we NOT remove that? LOL

SPOHN 01-20-2012 01:56 PM

It has to be the body itself. My rear is strip and it does this all the time between certain revs. But when I have a bag of clothing in there you never her it. So the weight is obvious pressing on the inside of the body paneling. So IMO it has to be where some part of interior/ exterior is sealed together at a seam. Just a thought.

mrcoolguyface 01-20-2012 03:04 PM

Well, now we may be getting somewhere. The other day, my brother and I had an idea to throw him in the hatch area real quick to invesitgate where the noise was coming from.... Low and behold, no noise... Now we couldnt investigate fully, and I wasnt in an area where I could test it all the way however... there may be some truth to this. I will followup with any results that I find.

QVu 01-20-2012 03:41 PM

Quote:

Originally Posted by mrcoolguyface (Post 1501140)
Well, now we may be getting somewhere. The other day, my brother and I had an idea to throw him in the hatch area real quick to invesitgate where the noise was coming from.... Low and behold, no noise... Now we couldnt investigate fully, and I wasnt in an area where I could test it all the way however... there may be some truth to this. I will followup with any results that I find.

Please do that would be great! All i've been doing is putting shop rags in between the hatch window and the plastic molding and that seems to help a bit. I wish i could put a person back there to investigate but my stereo is more than half the trunk. I'm thinking about taking those panels off of the hatch to see if they are the problem. Been so busy just haven't had time to do so. Will let you all know though!

We will fix this yall! We gotta! It's driving us nuts! LoL

mrcoolguyface 01-20-2012 04:02 PM

Nuts isnt even the word LOL... And finally my girlfriend will stop getting pissed at me for saying "WHAT" after everything she says... LOL

SPOHN 01-21-2012 01:28 PM

So I gutted the rear today prepairing for my roll cage and I found several metal pieces that could easily cause vibrations under all the rear trim. Maybe this can give you guys soom insite of what might be going on. I didn't get a chance to drive my car so not sure after removing these pieces will help. The last piece was only millimeters from the body. But when I do I'll defiantly keep you updated.

http://i1109.photobucket.com/albums/...nterior005.jpg

http://i1109.photobucket.com/albums/...nterior006.jpg

Bottom Right Corner
http://i1109.photobucket.com/albums/...nterior007.jpg
http://i1109.photobucket.com/albums/...nterior008.jpg

This Piece Is Really The One I Think Is A Main Culprit
http://i1109.photobucket.com/albums/...nterior009.jpg

mrcoolguyface 01-24-2012 11:02 AM

Quote:

Originally Posted by SPOHN (Post 1502215)
So I gutted the rear today prepairing for my roll cage and I found several metal pieces that could easily cause vibrations under all the rear trim. Maybe this can give you guys soom insite of what might be going on. I didn't get a chance to drive my car so not sure after removing these pieces will help. The last piece was only millimeters from the body. But when I do I'll defiantly keep you updated.

.

Good post SPOHN !! Thanks for the update! First nice day I have, Im gutting my trunk as well, to hunt this thing down! .... (REPPED)

'10Anamoly 08-01-2012 10:09 AM

Did anyone figure this out?

Pelican170 08-02-2012 08:55 AM

I never had a chance to gut my car and this is the first time i am seeing the pics above. After seeing them i feel like there are numerous spots where mine could be coming from. But from the pics, my money is on the pic where it looks like 5 ground wires are connecting to the body panel...


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