1st gear noise

JB1 · 07-03-2009, 10:27 PM

Just picked mine up this afternoon and already heard the noise as in crbn_fbr's video. Going back to the dealer on Monday. It sounds like a worn out 300K miles trans. Unacceptable for a new car!

batman_4 · 07-03-2009, 10:28 PM

Quote:

Originally Posted by JB1

Just picked mine up this afternoon and already heard the noise as in crbn_fbr's video. Going back to the dealer on Monday. It sounds like a worn out 300K miles trans. Unacceptable for a new car!

you will have to live with it. nothing is wrong with it

batman_4 · 07-03-2009, 10:29 PM

Quote:

Originally Posted by spitfire9200

I may have exaggerated the noise. Its not super loud and its like a few metallic pops. It only happens when I left the clutch engage with little or no gas while rolling or I don't rev up that high. The higher I rev the quieter it is, but its definetely new and a little annoying. Its the most noticable when I'm driving through my apartment complex and I'm alone/going slow because of speed bumps etc.

when you say metallic pops it kind of scares me lol. i'd love to help you out by going out and getting into my Zed but it's out of commission after it was hit for a few days.

ZKindaGuy · 07-04-2009, 01:32 AM

Quote:

Originally Posted by rench

First off... Hi all, new member and new z owner (always been a nissan/z fan, finally jumped).

Curious if any other 370 owners have heard a whine/noise in 1st gear after everythings warmed up? Out of the driveway there isn't anything... but drive around and get everything nice and warm, and first gear sounds horrible. I had a nissan tech ride with me (and I used to work on cars, even nissan for over a yr), He agrees it sounds horrible but dealer didn't wanna make it official yet so he said he would drive another one or two and they would get back to me.... I'm not worried as its warranteed but... just wondering if many others are hearing this.

I did find one review of the many I read thru (wanna say it was automobile mag web review but not 100%) that mentioned first gear sounding like they stole it from a garbage truck. Just curious if this is uncommon/rare or if everyone hears it...

There are a couple of things going on. Based on this same problem initially originating pressent in the 07 350Z's the following noises were reported:

1. Clutch chatter - turned out to be a presure plate adjustment was required.

2. A similar but lesser volume chatter - turned out to be the carbon-fiber drive-shaft when it spins and was something that was not fixable....its the physical nature of carbon-fiber in shaft shapes when thye spin..they vibrate.

3. The shrill-like whine in 1st gear - usually an indication that the gears are not shimmed properly however most all 350Z and 370Z I have owned or been around have this shrill whine in 1st gear. It is so prevalent that I am beginning to think it is a normal sound.

My 370Z has #2 and #3 but I don't bother endlessly searching trying to chase these things down as there doesn't appear to be any damage occurring on ones that have been examined in the shop, including my 350Z that I once took in.

ZKindaGuy · 07-04-2009, 01:34 AM

Quote:

Originally Posted by JB1

Just picked mine up this afternoon and already heard the noise as in crbn_fbr's video. Going back to the dealer on Monday. It sounds like a worn out 300K miles trans. Unacceptable for a new car!

You are wasting your time trying to solve a moot natural vibration that occurs with all carbon fiber that is shaft shaped and spun.

spitfire9200 · 07-04-2009, 02:26 PM

Quote:

Originally Posted by batman_4

when you say metallic pops it kind of scares me lol. i'd love to help you out by going out and getting into my Zed but it's out of commission after it was hit for a few days.

its like a pinging noise of a spring uncompressing.. that's the best description I can give. Only when I ease the clutch out in first or reverse without revving it up.

I got an appointment at the dealer for wed...

GingaBreadMan · 07-04-2009, 07:24 PM

Everyone hearing this noise, did u have a break-in period? I'm doing a 3,000 mile break-in. I'm being quite cautious. I was wondering how you'll are driving your vehicles.

batman_4 · 07-05-2009, 03:27 AM

Quote:

Originally Posted by GingaBreadMan

Everyone hearing this noise, did u have a break-in period? I'm doing a 3,000 mile break-in. I'm being quite cautious. I was wondering how you'll are driving your vehicles.

doesn't matter how you break it in. its a 'natural' sound to the Z tranny

boosted180 · 07-07-2009, 07:49 AM

i just picked up my car yesterday and i have the same problem. it's not too much the noise that's bothering me, but the FEEL like there's some kind of slop in the driveline. it shakes and shudders and clunks. if you dont disengage the clutch just right, it feels like the entire tranny is moving and shaking around under the car.

my '99 miata had a very similar problem (although much worse), and it annoyed me so much that i'm gonna sell it.

some ppl have mentioned that their wrx has a similar problem, but mine has been perfect. i *love* the clutch feel on my wrx compared to this car. it feels tight and connected the pedal pressure is just heavy enough (the 370 pedal feels way too light to me).

boosted180 · 07-08-2009, 12:58 PM

most people are talking about the noise. but the thing that bugs me most is actually the *feel* that something's shaking and moving around underneath the car. it's the feel of "slop" and "free-play" and "jerkiness" somewhere in the driveline when the clutch is engaged and disengaged, and even while in gear. (esp. when you're driving slowly).

i guess i'll try to just ignore it since from what everyone's saying, it's probably "natural" for this car. but it sure is annoying...

spitfire9200 · 07-09-2009, 10:16 PM

well my car is at the dealer right now. Will be until Monday when a nissan engineer will be sent out from "hq". All the techs heard the noise, but no one knows what it is. They drove 2 other 370s on the lot; both didn't click and pop like mine does.

I'll keep everyone updated. As of now, nissan is covering a loaner for me and everything.

sebaztianl · 07-10-2009, 08:04 PM

a loaner?
that's nice from Nissan

tbonesteak · 07-12-2009, 09:00 PM

these noises as stated are normal. You CAN make them go away by changing your driving habits. A more smooth transition of depressing the clutch makes the noise go away. When you're shifting into 2nd, instead of just completely letting go of the gas abruptly, try transitioning smoothly. Let go of the gas in a very smooth gradual decreasing manner and then push the clutch as soon as it's completely off the gas. You won't hear the noise anymore. I can replicate this and make it go away as well. The Z is not the only car that's had this noise. It's just the nature of the tranny.

jdmstylej6 · 07-12-2009, 11:39 PM

Those noises are actually a common thing on all Z! A 350z has the same exact noise when its in idle or so, Im assuming because we have a huge transmission thats why its like that! But hey, if its ur first time hearing it then just get use to it! im very much use to my car already!

armensti · 07-13-2009, 04:21 AM

finding this thread made me relax lol

i guess its your smoothness that matters here. the smoother you are the less noise you hear. i use to have the noise from the video when i first got the car but now i learned that if you dont rev the car enuff before letting go of the clutch the car will make that grinding noise. so you have to rev it above 1.5 k for it to not make that noise.

all those noises are making me feel depressed because i feel like im doing something wrong all the time but im not

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07-03-2009, 10:27 PM	#61 (permalink)
JB1 Track Member Join Date: Mar 2009 Location: Chicagoland Posts: 748 Drives: 09 Nissan 370Z sold Rep Power: 17	Just picked mine up this afternoon and already heard the noise as in crbn_fbr's video. Going back to the dealer on Monday. It sounds like a worn out 300K miles trans. Unacceptable for a new car!

07-04-2009, 07:24 PM	#67 (permalink)
GingaBreadMan Enthusiast Member Join Date: Jun 2009 Location: New York Posts: 313 Drives: 09 370z Sport 6spd Rep Power: 16	Everyone hearing this noise, did u have a break-in period? I'm doing a 3,000 mile break-in. I'm being quite cautious. I was wondering how you'll are driving your vehicles.

07-07-2009, 07:49 AM	#69 (permalink)
boosted180 Base Member Join Date: Jul 2009 Location: long beach Posts: 188 Drives: '09 370z sport 6m Rep Power: 16	i just picked up my car yesterday and i have the same problem. it's not too much the noise that's bothering me, but the FEEL like there's some kind of slop in the driveline. it shakes and shudders and clunks. if you dont disengage the clutch just right, it feels like the entire tranny is moving and shaking around under the car. my '99 miata had a very similar problem (although much worse), and it annoyed me so much that i'm gonna sell it. some ppl have mentioned that their wrx has a similar problem, but mine has been perfect. i love the clutch feel on my wrx compared to this car. it feels tight and connected the pedal pressure is just heavy enough (the 370 pedal feels way too light to me).

07-08-2009, 12:58 PM	#70 (permalink)
boosted180 Base Member Join Date: Jul 2009 Location: long beach Posts: 188 Drives: '09 370z sport 6m Rep Power: 16	most people are talking about the noise. but the thing that bugs me most is actually the feel that something's shaking and moving around underneath the car. it's the feel of "slop" and "free-play" and "jerkiness" somewhere in the driveline when the clutch is engaged and disengaged, and even while in gear. (esp. when you're driving slowly). i guess i'll try to just ignore it since from what everyone's saying, it's probably "natural" for this car. but it sure is annoying...

07-09-2009, 10:16 PM	#71 (permalink)
spitfire9200 Enthusiast Member Join Date: Jun 2009 Location: Reston, VA Posts: 390 Drives: 13' E92 M3 Rep Power: 16	well my car is at the dealer right now. Will be until Monday when a nissan engineer will be sent out from "hq". All the techs heard the noise, but no one knows what it is. They drove 2 other 370s on the lot; both didn't click and pop like mine does. I'll keep everyone updated. As of now, nissan is covering a loaner for me and everything.

07-10-2009, 08:04 PM	#72 (permalink)
sebaztianl Base Member Join Date: Mar 2009 Location: Miami Posts: 51 Drives: 350z Rep Power: 16	a loaner? that's nice from Nissan

07-12-2009, 09:00 PM	#73 (permalink)
tbonesteak Track Member Join Date: Mar 2009 Location: Socal Posts: 914 Drives: MY09 MB 6MT Rep Power: 376	these noises as stated are normal. You CAN make them go away by changing your driving habits. A more smooth transition of depressing the clutch makes the noise go away. When you're shifting into 2nd, instead of just completely letting go of the gas abruptly, try transitioning smoothly. Let go of the gas in a very smooth gradual decreasing manner and then push the clutch as soon as it's completely off the gas. You won't hear the noise anymore. I can replicate this and make it go away as well. The Z is not the only car that's had this noise. It's just the nature of the tranny.

07-12-2009, 11:39 PM	#74 (permalink)
jdmstylej6 Base Member Join Date: Jul 2009 Location: Guaam Posts: 6 Drives: Nissan 350z Rep Power: 16	Those noises are actually a common thing on all Z! A 350z has the same exact noise when its in idle or so, Im assuming because we have a huge transmission thats why its like that! But hey, if its ur first time hearing it then just get use to it! im very much use to my car already!

07-13-2009, 04:21 AM	#75 (permalink)
armensti Enthusiast Member Join Date: Mar 2009 Location: CA Posts: 447 Drives: 370Z/Tring/Spt/6MT Rep Power: 16	finding this thread made me relax lol i guess its your smoothness that matters here. the smoother you are the less noise you hear. i use to have the noise from the video when i first got the car but now i learned that if you dont rev the car enuff before letting go of the clutch the car will make that grinding noise. so you have to rev it above 1.5 k for it to not make that noise. all those noises are making me feel depressed because i feel like im doing something wrong all the time but im not