whistling noise while cold
#103
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ok, so about a month later, the noise returned full force. Its been pretty cold here in the past few weeks (10s-20s regular) and I'm still having the same issues. Coincidentally, my friends BMW is having the same issue and those forums say its a belt issue. Could it be a belt issue with my Z?
#105
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how would i figure out if it is a belt or a pulley? What would I look for? How would I access them, take off the front bumper?
edit: These belts?
https://my350z.com/forum/engine-driv...very-easy.html
edit: These belts?
https://my350z.com/forum/engine-driv...very-easy.html
Last edited by Rev_Night; 03-01-2015 at 04:07 PM.
#109
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I'd appreciate any assistance the 350Z community can offer and I'm posting here because this is one of the longer Internet forum threads on the subject.
The whistling clutch problem seems to be affecting my Infiniti G37s with a 6MT. It happens when the car has been parked and allowed to cool to ambient temperatures from 29 - 54 degrees F, in my case. The whistling happens roughly every 4 - 6 days.
The whistling sounds like a boiling teapot and comes from the transmission area under the car. The whistling typically happens immediately after start-up, stops when the clutch pedal is depressed, and will return when the clutch pedal is released. The whistling, if it hasn't started on its own, can occasionally start when the throttle is blipped to about 3,500 rpm. The whistling stops after a minute or two, presumably coinciding with the transmission/clutch temperature increasing, however, I've heard the whistling after a 20 minute drive. I have heard the whistling while driving in lower gears, presumably because the ambient noise inside the car is lower.
Here's a
of the noise.
Is this the noise everyone is hearing? And is everyone having the same symptoms I described above? I would very much appreciate your feedback.
The whistling clutch problem seems to be affecting my Infiniti G37s with a 6MT. It happens when the car has been parked and allowed to cool to ambient temperatures from 29 - 54 degrees F, in my case. The whistling happens roughly every 4 - 6 days.
The whistling sounds like a boiling teapot and comes from the transmission area under the car. The whistling typically happens immediately after start-up, stops when the clutch pedal is depressed, and will return when the clutch pedal is released. The whistling, if it hasn't started on its own, can occasionally start when the throttle is blipped to about 3,500 rpm. The whistling stops after a minute or two, presumably coinciding with the transmission/clutch temperature increasing, however, I've heard the whistling after a 20 minute drive. I have heard the whistling while driving in lower gears, presumably because the ambient noise inside the car is lower.
Here's a
Is this the noise everyone is hearing? And is everyone having the same symptoms I described above? I would very much appreciate your feedback.
Last edited by bpc23; 03-11-2017 at 11:55 AM. Reason: my poor html skills.
#110
Registered User
I'd appreciate any assistance the 350Z community can offer and I'm posting here because this is one of the longer Internet forum threads on the subject.
The whistling clutch problem seems to be affecting my Infiniti G37s with a 6MT. It happens when the car has been parked and allowed to cool to ambient temperatures from 29 - 54 degrees F, in my case. The whistling happens roughly every 4 - 6 days.
The whistling sounds like a boiling teapot and comes from the transmission area under the car. The whistling typically happens immediately after start-up, stops when the clutch pedal is depressed, and will return when the clutch pedal is released. The whistling, if it hasn't started on its own, can occasionally start when the throttle is blipped to about 3,500 rpm. The whistling stops after a minute or two, presumably coinciding with the transmission/clutch temperature increasing, however, I've heard the whistling after a 20 minute drive. I have heard the whistling while driving in lower gears, presumably because the ambient noise inside the car is lower.
Here's a video of the noise.
Is this the noise everyone is hearing? And is everyone having the same symptoms I described above? I would very much appreciate your feedback.
The whistling clutch problem seems to be affecting my Infiniti G37s with a 6MT. It happens when the car has been parked and allowed to cool to ambient temperatures from 29 - 54 degrees F, in my case. The whistling happens roughly every 4 - 6 days.
The whistling sounds like a boiling teapot and comes from the transmission area under the car. The whistling typically happens immediately after start-up, stops when the clutch pedal is depressed, and will return when the clutch pedal is released. The whistling, if it hasn't started on its own, can occasionally start when the throttle is blipped to about 3,500 rpm. The whistling stops after a minute or two, presumably coinciding with the transmission/clutch temperature increasing, however, I've heard the whistling after a 20 minute drive. I have heard the whistling while driving in lower gears, presumably because the ambient noise inside the car is lower.
Here's a video of the noise.
Is this the noise everyone is hearing? And is everyone having the same symptoms I described above? I would very much appreciate your feedback.
Sounds like you could possibly have a throwout bearing noise. How many miles?
#111
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I've got 30,300 miles. Does/did your car have a problem with whistling? Is that the sound it made?
#112
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Yours sounds similar to a throwout bearing worn. Is your car stock for the clutch system? Do you leave your foot on the clutch pedal a lot when driving? Do you keep the clutch pedal down when waiting for a light to change often?
I am going to bet that you never hear yours when driving around with your foot off of the clutch pedal at any time right?
#113
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Thanks for the feedback. I didn't realize the whistling reported in this thread is mostly while the drivetrain is moving. I did see the video many posts above while the car is in motion and the noise sounded nearly identical to mine, which I would describe exactly as a boiling teapot.
I have heard mine while moving, but only in lower gears, presumably because the ambient noise in the car is lower. I'm the second owner of the car. All components are stock. I do not ride the clutch or keep the pedal down while stopped. Maybe related is that the transmission was replaced last year because it refused to shift into 1st or 2nd when cold.
It is easy to believe my problem is the throwout bearing. Is the throwout bearing a known problem in the 350/370 community? I'll research if both models use the same throwout bearing.
In what town do you live? I went to college in Fort Wayne and lived there until 2002. I've got inlaws in the Indy area. I owned a '93 300ZX at that time. Man, I miss that car.
I have heard mine while moving, but only in lower gears, presumably because the ambient noise in the car is lower. I'm the second owner of the car. All components are stock. I do not ride the clutch or keep the pedal down while stopped. Maybe related is that the transmission was replaced last year because it refused to shift into 1st or 2nd when cold.
It is easy to believe my problem is the throwout bearing. Is the throwout bearing a known problem in the 350/370 community? I'll research if both models use the same throwout bearing.
In what town do you live? I went to college in Fort Wayne and lived there until 2002. I've got inlaws in the Indy area. I owned a '93 300ZX at that time. Man, I miss that car.
#114
Registered User
Thanks for the feedback. I didn't realize the whistling reported in this thread is mostly while the drivetrain is moving. I did see the video many posts above while the car is in motion and the noise sounded nearly identical to mine, which I would describe exactly as a boiling teapot.
I have heard mine while moving, but only in lower gears, presumably because the ambient noise in the car is lower. I'm the second owner of the car. All components are stock. I do not ride the clutch or keep the pedal down while stopped. Maybe related is that the transmission was replaced last year because it refused to shift into 1st or 2nd when cold.
It is easy to believe my problem is the throwout bearing. Is the throwout bearing a known problem in the 350/370 community? I'll research if both models use the same throwout bearing.
In what town do you live? I went to college in Fort Wayne and lived there until 2002. I've got inlaws in the Indy area. I owned a '93 300ZX at that time. Man, I miss that car.
I have heard mine while moving, but only in lower gears, presumably because the ambient noise in the car is lower. I'm the second owner of the car. All components are stock. I do not ride the clutch or keep the pedal down while stopped. Maybe related is that the transmission was replaced last year because it refused to shift into 1st or 2nd when cold.
It is easy to believe my problem is the throwout bearing. Is the throwout bearing a known problem in the 350/370 community? I'll research if both models use the same throwout bearing.
In what town do you live? I went to college in Fort Wayne and lived there until 2002. I've got inlaws in the Indy area. I owned a '93 300ZX at that time. Man, I miss that car.
Im from SBend. I still think the 300s look cooler than 350/370 and wanted one since i was 14( 45 now) but they sound like a real pain to work on. Must have been a fun car to drive though! Did the turbos spool up quick or was there lag waiting for the car to accelerate hard?
#115
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I'm no expert or mechanic and this is difficult to do over the internet but I'm confident you have a different problem than the normal whistle. It's probably clutch related and puzzling that it could be going out at 30k but who knows what happened during the transmission swap. So in your case you are not abusing the bearing everyday with bad driving habits. Good luck with your problem.
Im from SBend. I still think the 300s look cooler than 350/370 and wanted one since i was 14( 45 now) but they sound like a real pain to work on. Must have been a fun car to drive though! Did the turbos spool up quick or was there lag waiting for the car to accelerate hard?
Im from SBend. I still think the 300s look cooler than 350/370 and wanted one since i was 14( 45 now) but they sound like a real pain to work on. Must have been a fun car to drive though! Did the turbos spool up quick or was there lag waiting for the car to accelerate hard?
Yes, mine had infinite turbo lag, as it was normally aspirated! I had to settle for a 2+2 5-speed (222hp) because my wife was pregnant when we bought it. I managed to keep the car as my daily driver for about twelve years. It was unstoppable in the snow while wearing winter tires. I did all the maintenance & repairs on it, which wasn't that much really, and it was easy to work on. Replacing the timing belt was easy and putting on the adjustable shocks wasn't difficult either.
I've got a buddy with a turbo model, with some mods to it and the lag isn't unreasonable. I helped him pull the engine and trans to replace a turbo. We were forced to work in his impossibly tiny single-car garage. A lot of work, but it was manageable. He says I sold my car at the perfect time because they seem to be struck with age related problems with things like injectors. If you're still considering buying one, twinturbo.net is the best place to get your info. We're both still impressed with the car's timeless design. It doesn't look out of place on the road today.
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