Whining Noise - Video inside

370-uk-nut · 07-08-2018, 03:20 PM

Hey guys

Ever since I had my 2014 Z I have had a low pitched whine noise from the 1st 4 gears when crusing around. I thought this was normal but I'm not so sure.

Car has covered 27000 miles

I dont notice this in 5th and 6th gear

My clutch release bearing is slightly noisy when the car is in neutral and idling

If I rev the car in neutral you can hear the whine slightly , it is a lot louder than this when the car is moving , tends to be between 2000 - 3500rpm

When I put my foot on the clutch when car stationary and rev the car the noise is gone

Anyone any idea what this may be ?

Any advice appreciated , its been driving me crazy

I dont think its ECU whine

In the video at the start you can hear the clutch release bearing as I operate the clutch

https://www.dropbox.com/s/5vkcwddnys...84245.mp4?dl=0

Zbrah · 07-08-2018, 03:45 PM

Does it get louder the longer you drive?

Bubbaloo · 07-08-2018, 05:17 PM

Quote:

Originally Posted by 370-uk-nut

Hey guys

Ever since I had my 2014 Z I have had a low pitched whine noise from the 1st 4 gears when crusing around. I thought this was normal but I'm not so sure.

Car has covered 27000 miles

I dont notice this in 5th and 6th gear

My clutch release bearing is slightly noisy when the car is in neutral and idling

If I rev the car in neutral you can hear the whine slightly , it is a lot louder than this when the car is moving , tends to be between 2000 - 3500rpm

When I put my foot on the clutch when car stationary and rev the car the noise is gone

Anyone any idea what this may be ?

Any advice appreciated , its been driving me crazy

I dont think its ECU whine

In the video at the start you can hear the clutch release bearing as I operate the clutch

https://www.dropbox.com/s/5vkcwddnys...84245.mp4?dl=0

Well. I have 1,300 miles on mine and I have something similar.

https://youtu.be/CkCH7tT6zPo

Apparently it’s normal. I know. I’m OCD too.

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370-uk-nut · 07-09-2018, 02:13 PM

Quote:

Originally Posted by Zbrah

Does it get louder the longer you drive?

No doesnt get louder its there all the time

Sort of rules out the transmission as I get it when stationary ?

I did wonder if the release bearing could cause this but I'm not so sure

It drives you crazy when you hit a certain rev band when driving , noise is about 4 times louder than the video when stationary

found another video that sounds like mine

any ideas anyone ?

https://www.youtube.com/watch?v=ne6V8WQ_0Pg

Jsolo · 07-09-2018, 02:57 PM

Noise change at all when turning the steering wheel left/right while stationary in N?

Asus_ · 07-09-2018, 04:25 PM

Soooo I have the exact same issue, and i only noticed it after i replaced my clutch & master/slave cylinder because of the dreaded csc failure... maybe it was there before and i never noticed it until now? im not sure. Another video on this

"First rev is with the clutch pedal out, second is with the pedal pressed in"
https://www.youtube.com/watch?v=ne6V8WQ_0Pg

The guy who posted that video said "turns out it was the input shaft. had to get the transmission replaced" ... Not sure if it really ended up being that or not but worth a post
i wish i could contribute more but i'll be following this thread for sure in case you figure it out

DrBacon · 07-09-2018, 05:22 PM

Can't speak to if it's normal or not, but my Z definitely has the same low rpm transmission whine to it.

370-uk-nut · 07-10-2018, 02:54 PM

Quote:

Originally Posted by Jsolo

Noise change at all when turning the steering wheel left/right while stationary in N?

No change to the noise when this happens

370-uk-nut · 07-10-2018, 02:59 PM

Quote:

Originally Posted by Asus_

Soooo I have the exact same issue, and i only noticed it after i replaced my clutch & master/slave cylinder because of the dreaded csc failure... maybe it was there before and i never noticed it until now? im not sure. Another video on this

"First rev is with the clutch pedal out, second is with the pedal pressed in"
https://www.youtube.com/watch?v=ne6V8WQ_0Pg

The guy who posted that video said "turns out it was the input shaft. had to get the transmission replaced" ... Not sure if it really ended up being that or not but worth a post
i wish i could contribute more but i'll be following this thread for sure in case you figure it out

Yep thats the same noise as I have

Seems drastic getting the transmission replaced for input shaft ?

Looks like this noise is present on quite a few cars , surely cannot be right ?

Could do with a survey ! who has the whining noise when stationary and revving the car with the clutch NOT pressed in !

Bubbaloo · 07-10-2018, 04:49 PM

Quote:

Originally Posted by 370-uk-nut

Yep thats the same noise as I have

Seems drastic getting the transmission replaced for input shaft ?

Looks like this noise is present on quite a few cars , surely cannot be right ?

Could do with a survey ! who has the whining noise when stationary and revving the car with the clutch NOT pressed in !

I have it as well. Something similar. Look:
https://youtu.be/CkCH7tT6zPo

Sent from my iPhone using Tapatalk

Jsolo · 07-10-2018, 10:44 PM

Quote:

Originally Posted by 370-uk-nut

No change to the noise when this happens

There's a tsb that involves replacing the power steering reservoir. The issue manifests itself as a whining (morning sickness on '90's fwd cars) type noise when turning the wheel. Sounds like a super charger whine.

Bubbaloo · 07-11-2018, 07:43 AM

Quote:

Originally Posted by Jsolo

There's a tsb that involves replacing the power steering reservoir. The issue manifests itself as a whining (morning sickness on '90's fwd cars) type noise when turning the wheel. Sounds like a super charger whine.

Kinda sounds like what I have. Weird as mine is 2018. You would think they’d have fixed that by now. SMH.

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370-uk-nut · 07-12-2018, 02:06 PM

Quote:

Originally Posted by Jsolo

There's a tsb that involves replacing the power steering reservoir. The issue manifests itself as a whining (morning sickness on '90's fwd cars) type noise when turning the wheel. Sounds like a super charger whine.

I'll look into that thanks , although quite confident there is no change to the sound when turning the wheel side to side

Asus_ · 07-21-2018, 08:51 PM

Quote:

Originally Posted by 370-uk-nut

I'll look into that thanks , although quite confident there is no change to the sound when turning the wheel side to side

If you do end up finding out what it is.. mind sharing it here, possibly posting it on this thread or sending me a private msg! would be greatly appreciated as I and any others who should encounter this will know what its from

07-08-2018, 03:20 PM	#1 (permalink)
370-uk-nut Base Member Join Date: Jan 2015 Location: uk Posts: 8 Drives: 350z Rep Power: 10	Whining Noise - Video inside Hey guys Ever since I had my 2014 Z I have had a low pitched whine noise from the 1st 4 gears when crusing around. I thought this was normal but I'm not so sure. Car has covered 27000 miles I dont notice this in 5th and 6th gear My clutch release bearing is slightly noisy when the car is in neutral and idling If I rev the car in neutral you can hear the whine slightly , it is a lot louder than this when the car is moving , tends to be between 2000 - 3500rpm When I put my foot on the clutch when car stationary and rev the car the noise is gone Anyone any idea what this may be ? Any advice appreciated , its been driving me crazy I dont think its ECU whine In the video at the start you can hear the clutch release bearing as I operate the clutch https://www.dropbox.com/s/5vkcwddnys...84245.mp4?dl=0 Last edited by 370-uk-nut; 07-08-2018 at 03:24 PM.

07-08-2018, 03:45 PM	#2 (permalink)
Zbrah A True Z Fanatic Join Date: May 2013 Location: The370Z.com Posts: 4,956 Drives: 370Z Rep Power: 5451	Does it get louder the longer you drive? __________________

07-09-2018, 02:57 PM	#5 (permalink)
Jsolo Track Member Join Date: Dec 2011 Location: chicago Posts: 783 Drives: '12 G37 6MT Rep Power: 14	Noise change at all when turning the steering wheel left/right while stationary in N? NissanTracker likes this. __________________ G37S Sedan 6MT, Eibach swaybars, Invidia Exhaust, Weaker Clutch Pedal Spring For sale links

07-09-2018, 04:25 PM	#6 (permalink)
Asus_ Enthusiast Member Join Date: Sep 2015 Location: neverland. Posts: 348 Drives: 2011 370z T/S Rep Power: 1170	Soooo I have the exact same issue, and i only noticed it after i replaced my clutch & master/slave cylinder because of the dreaded csc failure... maybe it was there before and i never noticed it until now? im not sure. Another video on this "First rev is with the clutch pedal out, second is with the pedal pressed in" https://www.youtube.com/watch?v=ne6V8WQ_0Pg The guy who posted that video said "turns out it was the input shaft. had to get the transmission replaced" ... Not sure if it really ended up being that or not but worth a post i wish i could contribute more but i'll be following this thread for sure in case you figure it out Last edited by Asus_; 07-09-2018 at 04:40 PM.

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