Possible Nissan OEM clutch system issue - Everyone Read

B.A.Q · 09-23-2011, 07:14 AM

Quote:

Originally Posted by FromG2Z

Sadly this is also what ultimately pushed me over the edge to get rid of her and get a 5.0. I thought our z trannies were SUPPOSED to be this way. Then I go test drive a 5.0, per everyone's recommendations. And voila. I thought to myself so THAT'S how transmissions SHOULD be. It was tight, quiet, and refined. And the clutch was fantastic. I didn't realize how bad our trannies were till I drove other cars.

Yeah Nissan really screwed up on this car with the tranny

. It's my first MT so but not the first to drive. I think I didn't notice anything because I was so happy with my first sport car lol

. I really don't regret buying the car(maybe sometime when I'm in a bad mood), but if I went back I might not buy the Z

and stick with my other three options, STI, EVO, supra, and the GT.

DIGItonium · 09-23-2011, 07:44 AM

Quote:

Originally Posted by B.A.Q

Yeah Nissan really screwed up on this car with the tranny

Nothing new... I had an '03 that needed a replacement transmission because of grinding. It was great for a few months, but then it became real notchy to the point it hurts my wrists. It also lurches in 1st.

When I got the 370Z, I did some reading about failed slave cylinders for the '07+ 350Z. There were other models that had the same issue as well. Master cylinder failures is no surprise either. I don't get what's so hard about having a decent clutch hydraulic system especially from a car that's starting to touch $40k.

FromG2Z · 09-23-2011, 10:31 AM

Quote:

Originally Posted by B.A.Q

Yeah Nissan really screwed up on this car with the tranny

. It's my first MT so but not the first to drive. I think I didn't notice anything because I was so happy with my first sport car lol

. I really don't regret buying the car(maybe sometime when I'm in a bad mood), but if I went back I might not buy the Z

and stick with my other three options, STI, EVO, supra, and the GT.

Yeah the Z was not my first sports/sporty car. I've had an Integra, RX7 TT, G35, and then the Z. The Z was by far the worst tranny. I have NO idea why. The G35 I had, was a 2003, it was notchy, but it was in no way like this Z. I don't know how Nissan can revert backwards... makes no sense. Makes me wonder if I had a car that had tranny issues? Mine didn't have a lurch at all, but just that rattly, grinding sound that was so annoying, esp when driving with windows down. I heard it all the time when slowing to a stop or starting to move from a stop. After much research and talking to fellow Z owners, I guess that was supposed to be "normal".

When I had buddies in the car, they'd say, "what is THAT sound?". I'd say, oh it's normal!!! They say, "Oh really???? ummm ok..." Kindda embarassing...

Quote:

Originally Posted by DIGItonium

Nothing new... I had an '03 that needed a replacement transmission because of grinding. It was great for a few months, but then it became real notchy to the point it hurts my wrists. It also lurches in 1st.

When I got the 370Z, I did some reading about failed slave cylinders for the '07+ 350Z. There were other models that had the same issue as well. Master cylinder failures is no surprise either. I don't get what's so hard about having a decent clutch hydraulic system especially from a car that's starting to touch $40k.

I agree Digi... kindda same thing with an oil cooler. Add it on, even as an option, I'll pay for it.

ChrisSlicks · 09-23-2011, 10:55 AM

There's nothing really wrong with the tranny, the problem is the slave. Nissan made the switch in 2007 to the CSC instead of the traditional slave with clutch fork to save money. There has been nothing but problems ever since. Nissan is doing a pretty decent job of sweeping the problem under the rug to avoid a recall, then again a recall usually requires a solution - which they don't seem to officially have yet. Dragging clutch causes all kinds of problems including notchy engagement, grinding, and premature clutch wear. Also failure is a serious replacement task where as the external slave was a simple bolt on affair.

They had a recall at the beginning of 08 for some of the problems the 07's were having with the slave.

09-23-2011, 10:55 AM	#4 (permalink)
ChrisSlicks A True Z Fanatic Join Date: Mar 2009 Location: North East Posts: 6,203 Drives: 09 370Z Sport M6 Rep Power: 655	There's nothing really wrong with the tranny, the problem is the slave. Nissan made the switch in 2007 to the CSC instead of the traditional slave with clutch fork to save money. There has been nothing but problems ever since. Nissan is doing a pretty decent job of sweeping the problem under the rug to avoid a recall, then again a recall usually requires a solution - which they don't seem to officially have yet. Dragging clutch causes all kinds of problems including notchy engagement, grinding, and premature clutch wear. Also failure is a serious replacement task where as the external slave was a simple bolt on affair. They had a recall at the beginning of 08 for some of the problems the 07's were having with the slave. __________________ Hotchkis ARB \| Stillen CAI \| Art Pipes \| Berk CBE \| Stillen AP Racing Brakes \| AE Performance Oil Cooler \| BC Racing ER Coilovers \| Doran Control Arms

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