Quote:
Originally Posted by Quicksilvers
It is hard to diagnose a noise over this site and it would be best if a reputable shop or even your local Nissan dealership service department perform this work. From how you described this issue with your Z. Depending on where this metal grinding noise is coming from on your Z? It is possible one or both of your wheel bearings is going bad. Wheel bearing failure is a common problem on our Z’s. Also you could have a bearing in your rear end that is going south it can happen at any mileage. Something can be rubbing against your brake rotors as they turn when you are driving. Do you keep up with all your general maintenance on your Z? Have you ever changed your differential fluid? Without hearing this noise in person it will be hard to diagnose here. Give us more details about your Z.
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Quicksilvers, agreed it is pretty difficult to diagnose a sound over the site, but I am at a point where I need any help or possible advice I can find! I don't believe it is a wheel bearing issue, the car is a year and a half old with only about 8K miles on it. I can always take a look, but I certainly hope the car isn't crapping out yet. I have kept up with the maintenance, but no changes in fluid past the oil. The time I started hearing it was after I swapped the exhaust system so logically I would think it may be the exhaust creating the noise
Quote:
Originally Posted by redondoaveb
OP. It appears you're in Torrance. Have you taken it to Alex at L Spec? I'd be surprised if he couldn't isolate the issue. He's done all the work on my z (and I've had a lot done), including the install of my FI cbe.
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Redondo, I am in Torrance, I went to 2 exhaust shops to take a look at the system, but never really thought about going to L Spec. I'll put some time aside to reach out to him!
Quote:
Originally Posted by Crevi
I have the same problem, in my car was the test pipes resonator. Some welding inside has failed. I found him hitting with a hammer until I found the focus of the noise.
The noise appears if you accelerate with the car stopped?
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Crevi, what system are you running? Were you able to get rid of the noise or is it still around? We were banging on the mid-pipe and test pipe area and it made a louder sound, kind of like what you're describing. I usually hear it whenever I am between 2 -2.5K RPM, anything lower or higher I don't hear it.
Quote:
Originally Posted by Spooler
It could be the hub springs on the clutch rattling. I have the same noise every now and then. That's what it sounds like to me.
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Spooler, I'll take a look at the hub springs as well, but do you hear the sound at certain RPMs or through the full power band?
Thank you all for your input by the way, I really appreciate it!
