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New Clutch Install. Pedal won't return.

Nissan did my Southbend Stage 3 Daily clutch install today. Also a ZSpeed HD CSC. The pedal only has an inch or so of return and is full engagement the

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Old 05-10-2013, 05:55 PM   #1 (permalink)
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Default New Clutch Install. Pedal won't return.

Nissan did my Southbend Stage 3 Daily clutch install today. Also a ZSpeed HD CSC.

The pedal only has an inch or so of return and is full engagement the entire way down. I can pick the pedal off of the floor and it comes back with the helper spring, but once depressed the first 4-5 inches are dead and then it engages at the very bottom. There is also a pretty good chatter when rolling from a stop in first (stock flywheel).

It seems everyone else with this problem was junk stock csc, so is this an improperly installed csc?

My guess is they never adjusted the master cylinder? It was after 5 so the techs were all gone, but its going back in Monday morning. Halp?
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Old 05-10-2013, 07:34 PM   #2 (permalink)
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Just sounds like it needs a re-bleed. The CSC's are tricky to bleed, usually takes a drive to shake things loose and then another bleed. Increased chatter is expected.
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Old 05-10-2013, 07:39 PM   #3 (permalink)
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I just finished putting in that same set up,gravity bleed then pump it slow then bleed and with no pressure on the system crack the line at the m/c let it bleed for a few seconds tighten and ck the pedal.
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Old 05-11-2013, 02:21 PM   #4 (permalink)
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I agree with ChrisSlicks - sounds like the system still has some air in it (and/or the level is low).
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Old 05-11-2013, 02:54 PM   #5 (permalink)
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It's frustrating when Nissan techs can't get it right.
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Old 05-12-2013, 12:35 AM   #6 (permalink)
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Tell me about it. I was just telling you on Thursday how I wanted Nissan to do it so I didn't have to deal with bleeding issues.
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Old 05-13-2013, 08:16 AM   #7 (permalink)
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Sooooo I went to take the car in this morning and about put it through the front the wall of my garage by starting it in gear. Got it out of gear so that I could start it and now there is no chance of getting it back in gear. Guessing this means air in the line......
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Old 05-13-2013, 08:22 AM   #8 (permalink)
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I told you how to bleed it,that is how Joe @ Zspeed said and it worked great.
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Old 05-13-2013, 08:34 AM   #9 (permalink)
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Yeah I have talked to Joe about it a few times this weekend. He's been great.

It's on Nissan at this point. They are sending their truck out to get the car and I will talk to the tech about how to bleed it.

What's confusing as hell is that they would ever let the car go out the door like that anyway.
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Old 05-13-2013, 08:45 AM   #10 (permalink)
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Even following the Z-Speed CSC bleeding instructions to the T, we usually bleed it a few extra times. There is also an adjustment on the clutch pedal itself that can help with low/high pedal engagement if that's an issue once you get the pedal to return to normal. It takes a surprising number of cycles to get all the air out of the new CSC lines.

Thanks,
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Old 05-13-2013, 10:12 AM   #11 (permalink)
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With mine I ended up having to change out the CMC to get mine to work right. It has been 100% ever since.
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Old 05-13-2013, 10:19 AM   #12 (permalink)
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I talked to the tech and he said he followed the ZSpeed instructions (and actually read them back to me from the top of his head almost verbatim).

We will see how it goes. I imagine I will end up doing a master as well, but the car only has ~6800 miles on it so it seems strange that a master would "fail" that soon.

Also slammed Z + shitastic driveway + tow truck = one awesome Monday morning.
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Old 05-13-2013, 04:32 PM   #13 (permalink)
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Quote:
Originally Posted by m3chhawk View Post
I talked to the tech and he said he followed the ZSpeed instructions (and actually read them back to me from the top of his head almost verbatim).

We will see how it goes. I imagine I will end up doing a master as well, but the car only has ~6800 miles on it so it seems strange that a master would "fail" that soon.

Also slammed Z + shitastic driveway + tow truck = one awesome Monday morning.
Sorry to hear about the trouble Austin. FWIW, my car had similar milage as yours when I got my clutch installed and I have/had the same bleeding issues. Right now it feels ok after I bled it, but I think I'll replace the CMC anyways.
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Old 05-13-2013, 04:33 PM   #14 (permalink)
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Quote:
Originally Posted by m3chhawk View Post
I talked to the tech and he said he followed the ZSpeed instructions (and actually read them back to me from the top of his head almost verbatim).

We will see how it goes. I imagine I will end up doing a master as well, but the car only has ~6800 miles on it so it seems strange that a master would "fail" that soon.

Also slammed Z + shitastic driveway + tow truck = one awesome Monday morning.
I think it comes down to the way they bleed them from factory. I wouldnt be surprised if they hook up a pump to do it for them and never actually have to bleed the stock CSC. I do know with mine when I pulled it out I could not blow throw it (which you must be able to do in order for it to bleed itself). Thats one sure way to tell if you need a new one or not.
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Old 05-13-2013, 04:46 PM   #15 (permalink)
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We have it down to the bleeder screw on the CSC leaking and letting air back in.

The system will build pressure and then 5-10 minutes later, air gets back in through the bleeder (fluid is pooling on top of the transmission brace and slowly dropping from the bleed screw) They are replacing the bleed screw and trying again. Fingers crossed.
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