5th gear "crunching" with shift

1slow370 · 01-26-2012, 12:24 AM

LIBERTYS FACE PLATE AND PRO SHIFT GEAR MODIFICATIONS

never worked with them but faceplating is an option to remove the synchro's for a semi race (still use clutch) option.

phunk · 01-26-2012, 02:18 PM

Quote:

Originally Posted by ZOperaMan

As I recall, the price printed on my work order for the part was $2666.

Nissan Parts, NISMO and Nissan Accessories - Courtesyparts.com[32010]+\(z34&cPath=8714_8724_8787_8793

not sure if that link will work or not.

but the 370z transmissions are available new from courtesy nissan at $1663

m4a1mustang · 01-26-2012, 02:20 PM

That's not bad at all!

Cmike2780 · 11-06-2012, 12:58 PM

Crap! After 36k miles, my tranny started grinding when I downshift from 6th to 5th. Made an appointment this Saturday. This sucks donkey nuts!

LennyZCSD · 11-07-2012, 08:49 AM

Quote:

Originally Posted by Auston

Hey guys, I own a manual transmission 2009 370Z Touring with sport package, and I have
about 10,000 miles on it. I'm starting to notice with clean shifts, crunching/grinding when
shifting to 5th gear. Anyone experiencing this? Gotten it fixed?

-Auston

Bad Synchros slowing down the shift won't matter.. Do you do a lot of coasting?

Cmike2780 · 11-10-2012, 07:18 AM

It's seems like it's mostly happening when I skip to 6th from 4th... and downshift to 5th. @ the dealership now. I hope I don't screwed totally over.

Cmike2780 · 11-10-2012, 09:33 AM

...well of course the tech can't replicate it. FML.

tturbo370z · 11-12-2012, 12:18 AM

Quote:

Originally Posted by Cmike2780

Crap! After 36k miles, my tranny started grinding when I downshift from 6th to 5th. Made an appointment this Saturday. This sucks donkey nuts!

Yep I feel your pain brother as I'm at 32,000 but past the 3 years and mine has trouble going into 5th and grinded a few times in 2nd already. Of course it didn't matter if it was in warranty cuz the TT would get the blame for the tranny anyway. Im really hoping its the JWT clutch and the new osgiken with hd slave cylinder is the fix. I didn't have that issue until I put in the new clutch. Here's to hoping or FML for me too

DIGItonium · 11-12-2012, 07:57 AM

Once it starts grinding, it will progressively worsen and become more apparent.

Cmike2780 · 11-12-2012, 08:23 AM

Quote:

Originally Posted by DIGItonium

Once it starts grinding, it will progressively worsen and become more apparent.

Funny thing is, it grinded three times on my way to the dealership (about 5 miles away), but not when the tech was test driving the car. I guess I'll have to wait for it to get worst. At least it's on the record.

Astrosfan · 11-12-2012, 01:29 PM

Quote:

Originally Posted by Cmike2780

Funny thing is, it grinded three times on my way to the dealership (about 5 miles away), but not when the tech was test driving the car. I guess I'll have to wait for it to get worst. At least it's on the record.

Ive noticed that it only grinds when the tranny is cold. it happens only when my car has been off for a few hours. Once it warms up (about 5mins) it works as normal.... is that your experience?

Maybe it would be a good idea to take it to the dealership, leave it for a few hours and try again??

bldg636 · 11-30-2012, 09:07 AM

I found this post while searching for someone with my issue: I don't have a "grinding" problem, but it seems that there's a hesitation when shifting from 1st to 2nd. It's almost like the shifter catches on something slightly in the middle of 1st to 2nd, then goes into second. When i shift from 1st to 2nd slowly (for instance, in a parking lot) I also hear a "clunk" when it gets into second gear. Is this normal? I've only got 7k miles on my '11 base model. Thanks!

gotchu99 · 11-30-2012, 09:28 AM

Clunk is normal when you undershift. The notchy gearbox is also normal. Unfortunately for a few of us, bad syncros are normal too. My tranny was replaced at 18k(third gear) on '09. I've read on here they beefed up the syncros since then.

Cmike2780 · 11-30-2012, 11:31 AM

The Z has been sitting in the driveway since the last visit to the dealership. I need to slap new tires on her and will be doing that tomorrow. I do notice that it does happen more often when it's still cold. I really hate leaving the car at the dealership though, so I might try and see if I can capture it on video somehow.

asdfsammich · 11-30-2012, 07:55 PM

My 5th grinds about once a week and always before the car has yet to fully warm up (oil temps etc).

Been like that for about 6 months but hasn't gotten any worse so I haven't gone to the dealer yet since it's unlikely that it will replicate on a tech ride.

I'm hoping that when it does get worse it won't go from mild to catastrophic all at once.

Tapatalk & such etc

01-26-2012, 12:24 AM	#136 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7250	LIBERTYS FACE PLATE AND PRO SHIFT GEAR MODIFICATIONS never worked with them but faceplating is an option to remove the synchro's for a semi race (still use clutch) option. __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

01-26-2012, 02:20 PM	#138 (permalink)
m4a1mustang A True Z Fanatic Join Date: Feb 2009 Location: Northern VA Posts: 55,385 Drives: on two wheels Rep Power: 6962	That's not bad at all! __________________ - Steve Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!) LIKE us on Facebook!

11-06-2012, 12:58 PM	#139 (permalink)
Cmike2780 A True Z Fanatic Join Date: Jun 2010 Location: Long Island Posts: 5,059 Drives: slowwww Rep Power: 28	Crap! After 36k miles, my tranny started grinding when I downshift from 6th to 5th. Made an appointment this Saturday. This sucks donkey nuts! __________________ [09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R] [ArchitTEK Photography]

11-10-2012, 07:18 AM	#141 (permalink)
Cmike2780 A True Z Fanatic Join Date: Jun 2010 Location: Long Island Posts: 5,059 Drives: slowwww Rep Power: 28	It's seems like it's mostly happening when I skip to 6th from 4th... and downshift to 5th. @ the dealership now. I hope I don't screwed totally over. __________________ [09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R] [ArchitTEK Photography]

11-10-2012, 09:33 AM	#142 (permalink)
Cmike2780 A True Z Fanatic Join Date: Jun 2010 Location: Long Island Posts: 5,059 Drives: slowwww Rep Power: 28	...well of course the tech can't replicate it. FML. __________________ [09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R] [ArchitTEK Photography]

11-12-2012, 07:57 AM	#144 (permalink)
DIGItonium A True Z Fanatic Join Date: Jan 2009 Location: Kansas Posts: 3,800 Drives: 09 Z34-TT 6MT Rep Power: 42	Once it starts grinding, it will progressively worsen and become more apparent. __________________

11-30-2012, 09:07 AM	#147 (permalink)
bldg636 Base Member Join Date: Sep 2012 Location: Florida Posts: 141 Drives: Nissan 370z Rep Power: 12	I found this post while searching for someone with my issue: I don't have a "grinding" problem, but it seems that there's a hesitation when shifting from 1st to 2nd. It's almost like the shifter catches on something slightly in the middle of 1st to 2nd, then goes into second. When i shift from 1st to 2nd slowly (for instance, in a parking lot) I also hear a "clunk" when it gets into second gear. Is this normal? I've only got 7k miles on my '11 base model. Thanks! __________________ Ross '11 370z Just getting started . . .

11-30-2012, 09:28 AM	#148 (permalink)
gotchu99 Base Member Join Date: Feb 2011 Location: ny Posts: 86 Drives: '09 370z black mt, Rep Power: 14	Clunk is normal when you undershift. The notchy gearbox is also normal. Unfortunately for a few of us, bad syncros are normal too. My tranny was replaced at 18k(third gear) on '09. I've read on here they beefed up the syncros since then.

11-30-2012, 11:31 AM	#149 (permalink)
Cmike2780 A True Z Fanatic Join Date: Jun 2010 Location: Long Island Posts: 5,059 Drives: slowwww Rep Power: 28	The Z has been sitting in the driveway since the last visit to the dealership. I need to slap new tires on her and will be doing that tomorrow. I do notice that it does happen more often when it's still cold. I really hate leaving the car at the dealership though, so I might try and see if I can capture it on video somehow. __________________ [09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R] [ArchitTEK Photography]

11-30-2012, 07:55 PM	#150 (permalink)
asdfsammich Enthusiast Member Join Date: Dec 2011 Location: Southern California Posts: 456 Drives: 09 370Z SR MT Rep Power: 13	My 5th grinds about once a week and always before the car has yet to fully warm up (oil temps etc). Been like that for about 6 months but hasn't gotten any worse so I haven't gone to the dealer yet since it's unlikely that it will replicate on a tech ride. I'm hoping that when it does get worse it won't go from mild to catastrophic all at once. Tapatalk & such etc

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