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Not sure if this has been posted before, but I found this over on the Mustang forum. Maybe BS, maybe not, but for those concerned I figured I'd share:
Removal of Clutch Assist Spring Damaging Slave Cylinder? I got an email today from Steeda advertising an aftermarket clutch spring with 95lb/in spring stiffness rate compared to OEM 200 lb/in spring stiffness rate. And they state the following: "Most owners fail to realize the prolonged effects of simply taking out your factory OE spring and not replacing it with another spring. By negating your factory clutch assist spring you will notice chatter/NVH from your clutch pedal. Your clutch pedal will never fully return to stock position without any assist spring, and over time your slave cylinder may begin leaking due to constant pressure on its seals from the clutch pedal not returning to the stock position." |
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This can hold pressure on the clutch itself possibly causing it to slip and will wear on the CSC bearing as it could have more pressure than normal on it all the time. If you just get rid of the stock clutch/stock hydraulics with a proper quality set-up there is no need for aftermarket pedal springs to cover up the horrible stock clutch. A good quality clutch and hydraulics the pedal feel is very good and drives 1000 times better. |
Joe, not sure I can agree with that. The main component responsible for pedal return is the pressure plate. After all, that's what the slave is pushing against to disengage the clutch. The pressure plate requires *a lot* of force to depress. I really don't see how a little spring in the pedal itself can aid in pedal return.
I suppose in some applications there's a port in the MC to aid fluid pressure equalization as the clutch fluid expands/contracts. Are you suggesting this may cause pressure to be applied to the slave without any pressure on the pedal itself? |
I am looking to get csc delete kit. I cant decide between the Z1 kit or the Zspeed kit. Any suggestion?
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Yes the plate returns the fluid which pushes the pedal back up but it is pretty obvious if you remove the spring it does not come ALL the way back up which is why your cruise control will shut off on you when you hit a bump with out it.. |
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Added my name do it too
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Well can add me to the list now. 2009 with 82000km
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I'm thinking about trading my '03 350Z in for a new 370Z, and I'm researching potential problems. Sorry, but I couldn't read through all 108 pages of this thread. Am I correct that Nissan's solution to the CSC failure is to replace it with another CSC with the same failure issue? And the best option is to do a CSC delete on your own dime?
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This just happen to me as well. Currently waiting for my z to be towed to the Nissan dealership. ��
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Well the car is sitting at Nissan waiting to have the CSC Delete from Zspeed installed. I'll give an update once I get the car back. Big thanks to Joe @ Zspeed, great customer service and great to deal with!!!!!
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Don't you have reputable techs other than from Nissan dealerships?
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Small town, we don't have anyone that I know of to work on it. Most small stuff I just do myself.
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I'd watch them with an eagle eye as they're doing the install...
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A couple of weeks ago, I noticed a burning smell coming from the front of my Z. I check the oil regularly, so I checked it again, and the level was fine. There was no liquid on the ground wherever I park, so I looked at the rest of the fluids. The clutch fluid was below normal. I drove around for a couple of days, and checked again. The fluid is even lower.
The clutch feels fine, but I don't want to chance it. I'm assuming this is the CSC, right? The car is officially parked for the winter, and I'll be accumulating parts over time. I'm looking at the Z1 CSC Delete, a new clutch and flywheel, and a new master cylinder for good measure. Hopefully I don't get stranded on the way to the shop come springtime. Edit: My Z is a 2009 with 42k on it. |
Well I'm another one. My dad just gave me his baby a 2010 370z Nismo with 10k miles. Clutch pedal started sticking, stopped by dealership as also needed to get the steering column lock recall taken care of. They replaced the fluid with GTR as they said that usually solves the issue. When I got in, the pedal was still stuck on the floor so obviously it didn't work. I want to fix it the right way so wanted to see if anyone out there has recommendation for a place near Puyallup / Tacoma / Auburn ... Washington. I guess I need to get the CSC and master cylinder but not sure what else should be replaced while I"m into it. thanks
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What exactly happens when the CSC fails and how exactly does one react to it? Obviously the pedal sticks to the floor, then what? I can only imagine driving down a highway then you try to shift when the clutch doesn't come back up. So now you are stuck in gear correct? Do you just pull to the shoulder and coast until the engine drops low enough in RPM to stall? I'm a little confused.
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A Manual trans is easy enough to pull out of gear to N while moving, Just rest the rpm at a neutral speed where there is as little load on the drive train as possible and pull into N . Or just drive to the closest off ramp and do it there. If you are good enough with a manual trans you can drive the car without the clutch really. |
Saw this today: http://www.carcomplaints.com/news/20...-lawsuit.shtml
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That's progress. If there's a favorable resolution hopefully it'll apply to the G cars as well.
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I hope this goes somewhere before I end up having to fix mine :D
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I have a 2010 Mt that just hit 40k and clutch is sticking..is this a recall or service item they will fix even though I'm out of warranty
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yep just reading that now. Let the fun begin of having cash sucked out of my wallet...ugh
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I bit the bullet, I just had my CSC replaced with a ZSpeed CMAK kit and performed at The Little Speed Shop in Rochester while I was visiting my cousin on vacation. I had the parts/fluids over-nighted to TLSS. Was scared shiteless that the thing was going to fail on me on the trip considering the car had already 46k and was about to drive 1500 miles roundtrip.
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How's the Cmak working out for you?
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I myself did it for numerous reasons 1) I don't wrench. It's not that I can't, it's that I get too frustrated far too easily(like tossing stuff mad) and I find paying someone else to do it is alot better for my health, lol. 2) The convenience of having it done while I was on vacation just made alot of sense considering my round trip mileage on top of the vehicles actual ODO mileage. I actually did a write up of the overall experience over in General Discussions. http://www.the370z.com/nissan-370z-g...ture-sure.html |
Does it make any sense to continue keeping track of owners with CSC/Clutch issues? It's pretty obvious the OEM CSC is a major weak link followed by the master cylinder. I'm not as active on the forums anymore, and I still get PM from owners wanting to be added to the list.
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Wow. I've not caught up with these events. I'm still hosting the spreadsheet using Google Docs. If someone wants to take over hosting it, please let me know since I'm not as active on the forum nowadays. |
Dunno if there's any interest in me posting this, but I finally had my CSC replaced today. I posted about it a couple of months ago but the dealer couldnt reproduce the issue at the time. It finally got bad enough where it was a constant issue. They didnt make any beef about replacing it. Took 1 day and car is good as new again.
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I had the ZSpeed stage 2 quiet clutch kit installed today, along with the CMAK CSC replacement kit, a lightweight flywheel, and a new master cylinder. It's a completely different car now, in a good way.
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