370Z 6speed manual shifting problems

dminninger · 11-08-2010, 06:25 PM

I have a 370Z with a 6 speed manual gearbox. It works fine except going from 1st to 2nd there can be a bump and grind. Not every time but more often than not it will make a clunking sound if I pull straight down on the shifter. I can shift from 1st to the neutral position hesitate a bit then down into 2nd without any grind or clunk. Has anyone experienced similar problems?

6MT · 11-08-2010, 06:41 PM

Try changing the fluid to a really good synthetic. I know mine shifted smoother when I did.

DOOMMONKEY777 · 11-09-2010, 10:59 PM

Dude dont force the gears in give the synchro some time to align ur running a shitty tranny fluid you have to use the good stuff.

11-08-2010, 06:25 PM	#1 (permalink)
dminninger Base Member Join Date: Nov 2010 Location: monroe, LA Posts: 1 Drives: 09 nissan 370Z slv M Rep Power: 15	370Z 6speed manual shifting problems I have a 370Z with a 6 speed manual gearbox. It works fine except going from 1st to 2nd there can be a bump and grind. Not every time but more often than not it will make a clunking sound if I pull straight down on the shifter. I can shift from 1st to the neutral position hesitate a bit then down into 2nd without any grind or clunk. Has anyone experienced similar problems?

11-08-2010, 06:41 PM	#2 (permalink)
6MT A True Z Fanatic Join Date: May 2009 Location: ITU Zone 2 Posts: 22,459 Drives: Reliant Robin Rep Power: 1790	Try changing the fluid to a really good synthetic. I know mine shifted smoother when I did. __________________ Andrew 2009 370Z Sport/Touring 6MT sold 2013 Honda Civic Si coupe D/D

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11-09-2010, 10:59 PM	#3 (permalink)
DOOMMONKEY777 A True Z Fanatic Join Date: Oct 2010 Location: Crooklyn Posts: 1,008 Drives: 370Z 6psd-sport-pkg Rep Power: 21	Dude dont force the gears in give the synchro some time to align ur running a shitty tranny fluid you have to use the good stuff.