ok when i park my Z and turn it off it makes this noise. It sounds like a ball bearing jumping around in the gas tank. I dont know where exactly the noise is coming from but thats how its sounds.

anyone knows wat that could be?

 

Got a video / sound clip? Does clutch position change the noise in any way?

 

Fuel pumps may make noise after shutting the car OFF. Not a good sign. Keep an eye on other fuel related problems. It may be time for a new pump.

 

Do you have a manual transmission or an automatic?

If manual, try pushing/holding in the clutch as you turn the car off. Did the sound go away? If so, it's the throw-out bearing, which is "normal" on these cars.

 

its a auto

 

it sounds like its coming from all over the car...from the tank and around the engine

 

its a gnome.
I cant believe no one has the ***** to tell him.

Im ashamed of you all.

haha.

 

Without a soundclip it's hard to know. Can it be your exhaust colling down?

 

This is what I would guess. and it would come from "all over the car"