Possible Nissan OEM clutch system issue - Everyone Read

DIGItonium · 10-05-2011, 11:50 AM

Quote:

Originally Posted by RCZ

I heard there is an extended throw csc in the works that might fix the issue. I'm not going to try it, Nissan sucks and I'm probably not going to buy any other nissan...ever...except maybe a GT-R down the line. Terrible experience and they have officially lost a customer.

Have you listened to the GT-R transmission? It's not quiet. I revved it in neutral and can hear the clunking sound off throttle. Hopefully it does well in the long run...

You're right... it really spoils the fun in driving. It was worse in the '03 350Z with transmission replaced in '06. I couldn't get in gear at high revs, so it was embarrassing. It clunks so much, and it is so notchy my wrists hurt from shifting.

The 370Z transmission is an improvement, but still gets notchy and clunky (in 1st) at times. The master and slave cylinders... not so much. I don't track my car and already have issues.

I'm hoping Zat_Zuma's advice is enough to get rid of these hiccups and hopefully be able to shift into 2nd at WOT.

Lug · 10-05-2011, 01:06 PM

Quote:

Originally Posted by DIGItonium

Have you listened to the GT-R transmission? It's not quiet. I revved it in neutral and can hear the clunking sound off throttle. Hopefully it does well in the long run...

You're right... it really spoils the fun in driving. It was worse in the '03 350Z with transmission replaced in '06. I couldn't get in gear at high revs, so it was embarrassing. It clunks so much, and it is so notchy my wrists hurt from shifting.

The 370Z transmission is an improvement, but still gets notchy and clunky (in 1st) at times. The master and slave cylinders... not so much. I don't track my car and already have issues.

I'm hoping Zat_Zuma's advice is enough to get rid of these hiccups and hopefully be able to shift into 2nd at WOT.

In the past, I've read that other than syncro rev match, the tranny's were virtually the same between the late model 350Z and the 370Z. Can't find a source though.

tranceformer · 10-05-2011, 07:06 PM

Quote:

Originally Posted by Lug

In the past, I've read that other than syncro rev match, the tranny's were virtually the same between the late model 350Z and the 370Z. Can't find a source though.

There's someone on the 350Z site that's working on installing a 370Z 6MT into his 350Z. There's a few subtle differences but I think overall its not much different.

DIGItonium · 10-05-2011, 08:20 PM

Quote:

Originally Posted by RCZ

I find myself shifting slower and not wanting to rev the car out as much so I don't notice these problems as much.

These things don't like fast shifting. There were a few members who are great at quick shifting to get the best times, but end up replacing the transmission at least once. You're right, you gotta be nice and it'll let you get through the gate.

Quote:

Originally Posted by Lug

In the past, I've read that other than syncro rev match, the tranny's were virtually the same between the late model 350Z and the 370Z. Can't find a source though.

The latest is CD -009. When the 350Z transmission was replaced in '06, I think it was a CD -006.

Quote:

Originally Posted by babbagandu

...I kinda feel some vibration in the clutch pedal just after I start moving and have the clutch pedal almost fully released. is this a problem?

Slight vibration is normal. If the car shakes, that's clutch judder. It was bad out of the box, and 16k miles later the CSC needed replacement. The judder was virtually gone afterwards. With the aftermarket clutch and CSC, the car would judder quite a bit. It seems to get better the more I drive it, and engagements are getting smoother.

I'll get back with you guys after my next oil change (1k miles). In the meantime, I'm feathering the clutch more often to "bed" it. Hopefully it doesn't necessitate replacing the disc.

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