Noise when shifting into 5th gear

steve216 · 10-14-2015, 06:52 PM

Sometimes when shifting into 5th gear I get some lite resistance, and right before it locks into place it would make some kind of grind noise and instantly goes away. The car drives normal in 5th gear otherwise. I try shifting it slowly and it still sometimes does it, and other times it just works as normal.

MAMotorsports · 10-15-2015, 09:16 AM

What fluid are you running? Did it just start happening now that it is cooling off outside?

steve216 · 10-15-2015, 09:52 PM

Fluid is still from stock, 46k miles so far. This is a recent issue, don't know if the cooler weather maybe a factor.

DOOMMONKEY777 · 10-15-2015, 10:37 PM

common synchronous grind in 5th, if its frequent take it to the dealer, call it a lemon.

if warranty is up, put Redline oil brand in it, check manual for the correct weight and if it still is happening take it apart change synchronous, or by NEW transmission. about 2K

JARblue · 10-15-2015, 10:38 PM

Sounds like your 5th gear synchro is going. If you're still under warranty, you can maybe get a new transmission out of it. If you're out of warranty, try to minimize wear on that synchro. Be patient with your 5th gear shift and try not to grind it

steve216 · 10-15-2015, 11:44 PM

so I guess this would fall under the powertrain coverage 60month/60k miles?

JARblue · 10-16-2015, 08:31 AM

Yes

jwick · 10-16-2015, 08:34 AM

Quote:

Originally Posted by steve216

so I guess this would fall under the powertrain coverage 60month/60k miles?

Yes. Same thing happened to me and Infiniti replaced the tranny under warranty.

MAMotorsports · 10-16-2015, 09:00 AM

Exactly what all of them said. Stock fluid is not helping but the syncro's go bad on these.

If you are not under warranty, shoot me a PM and I can get you some Redline fluid pretty quickly.

jwick · 10-16-2015, 09:04 AM

Quote:

Originally Posted by MAMotorsports

Exactly what all of them said. Stock fluid is not helping but the syncro's go bad on these.

If you are not under warranty, shoot me a PM and I can get you some Redline fluid pretty quickly.

MT85 is what I've been running for the last couple tranny changes and no issues. Good stuff

JARblue · 10-16-2015, 10:56 AM

Been running MT-85 for the last 55K miles

SurfDog · 10-16-2015, 11:41 AM

Mine did this too... free tranny installed by Nissan dealer with my 100k mile powertrain warrenty (well,okay I had a 50 dollar deductible...).

Funny thing is, I blew the synchro at a track day with a not so great high RPM UPSHIFT!! To this day, I really don't know how that happened. I've heared a lot of these 5th gear synchros go bad so not I run Redline to help keep my new tranny happy

steve216 · 10-16-2015, 09:57 PM

If I bring it in the dealer with my mods(FI cats/exhaust,gen3 CAI), will they hassle me.

JARblue · 10-16-2015, 09:58 PM

They shouldn't. But it's probably less hassle to take it to a different dealer if they do

jwick · 10-16-2015, 10:24 PM

Quote:

Originally Posted by steve216

If I bring it in the dealer with my mods(FI cats/exhaust,gen3 CAI), will they hassle me.

I had basically the same mods at the time and they didn't bother me

10-14-2015, 06:52 PM	#1 (permalink)
steve216 Base Member Join Date: Dec 2012 Location: PA Posts: 46 Drives: 11 Nissan 370z BS M6 Rep Power: 12	Noise when shifting into 5th gear Sometimes when shifting into 5th gear I get some lite resistance, and right before it locks into place it would make some kind of grind noise and instantly goes away. The car drives normal in 5th gear otherwise. I try shifting it slowly and it still sometimes does it, and other times it just works as normal.

10-15-2015, 09:16 AM	#2 (permalink)
MAMotorsports Track Member Join Date: Jul 2015 Location: Glen Arm, MD Posts: 872 Drives: 370Z Rep Power: 16	What fluid are you running? Did it just start happening now that it is cooling off outside? __________________ Daelen @ MA Motorsports MA-Motorsports.com https://www.facebook.com/pages/MA-Mo...C/125379858828

10-15-2015, 10:37 PM	#4 (permalink)
DOOMMONKEY777 A True Z Fanatic Join Date: Sep 2010 Location: Crooklyn Posts: 1,008 Drives: 370Z 6psd-sport-pkg Rep Power: 20	common synchronous grind in 5th, if its frequent take it to the dealer, call it a lemon. if warranty is up, put Redline oil brand in it, check manual for the correct weight and if it still is happening take it apart change synchronous, or by NEW transmission. about 2K __________________ Kids don't do Drugs, Drugs are bad, so let the professional druggies do Drugs for you. 537whp/496lb/tq@8-9PSI 93 octane

10-15-2015, 10:38 PM	#5 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,449 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Sounds like your 5th gear synchro is going. If you're still under warranty, you can maybe get a new transmission out of it. If you're out of warranty, try to minimize wear on that synchro. Be patient with your 5th gear shift and try not to grind it __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

10-16-2015, 08:31 AM	#7 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,449 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Yes __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

10-15-2015, 09:52 PM	#3 (permalink)
steve216 Base Member Join Date: Dec 2012 Location: PA Posts: 46 Drives: 11 Nissan 370z BS M6 Rep Power: 12	Fluid is still from stock, 46k miles so far. This is a recent issue, don't know if the cooler weather maybe a factor.

10-15-2015, 11:44 PM	#6 (permalink)
steve216 Base Member Join Date: Dec 2012 Location: PA Posts: 46 Drives: 11 Nissan 370z BS M6 Rep Power: 12	so I guess this would fall under the powertrain coverage 60month/60k miles?

10-16-2015, 09:00 AM	#9 (permalink)
MAMotorsports Track Member Join Date: Jul 2015 Location: Glen Arm, MD Posts: 872 Drives: 370Z Rep Power: 16	Exactly what all of them said. Stock fluid is not helping but the syncro's go bad on these. If you are not under warranty, shoot me a PM and I can get you some Redline fluid pretty quickly. __________________ Daelen @ MA Motorsports MA-Motorsports.com https://www.facebook.com/pages/MA-Mo...C/125379858828

10-16-2015, 10:56 AM	#11 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,449 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Been running MT-85 for the last 55K miles __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

10-16-2015, 11:41 AM	#12 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,793 Drives: 09 6mt, 13 Sequoia, Rep Power: 15748	Mine did this too... free tranny installed by Nissan dealer with my 100k mile powertrain warrenty (well,okay I had a 50 dollar deductible...). Funny thing is, I blew the synchro at a track day with a not so great high RPM UPSHIFT!! To this day, I really don't know how that happened. I've heared a lot of these 5th gear synchros go bad so not I run Redline to help keep my new tranny happy __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

10-16-2015, 09:57 PM	#13 (permalink)
steve216 Base Member Join Date: Dec 2012 Location: PA Posts: 46 Drives: 11 Nissan 370z BS M6 Rep Power: 12	If I bring it in the dealer with my mods(FI cats/exhaust,gen3 CAI), will they hassle me.

10-16-2015, 09:58 PM	#14 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,449 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	They shouldn't. But it's probably less hassle to take it to a different dealer if they do __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

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