2G How do I adjust my master cylinder rod

Posted by rolltidero, Mar 20, 2017

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  1. rolltidero

    rolltidero Proven Member

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    I know this has been beaten to death but I am experiencing some issues adjusting my master cylinder. I am experiencing the 2G pump up in the clutch. I had my clutch replaced last summer and the master and slave cylinders replaced about 2 weeks ago. I went out of town so I didn't get to drive the car around so I'm just now finding the pump up. The issue I'm running into is I turn the nut on the rod and it just turns and turns but doesn't move. Also the top of my pedal doesn't look like the pictures I've seen. Below is a picture of where the rod connects to the pedal. Any help would be greatly appreciated.
     

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    Attached Files:

    My DSM:
    1998 Mitsubishi Eclipse Spyder GST

    Street Build

    T25   manual
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  2. 91talonts1

    91talonts1 Proven Member

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    My DSM:
    1997 Eagle Talon TSi AWD

    Drag Race Build

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  3. 91talonts1

    91talonts1 Proven Member

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    There has been some revisions of the piece that attaches to the pedal, not all of the OEM clutch masters look the same.
     
    My DSM:
    1997 Eagle Talon TSi AWD

    Drag Race Build

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  4. josh408

    josh408 Proven Member

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    Bay Area, California
    I believe this statement, the pictures the op posted doesn't look like the one I have
     
    My DSM:
    1998 Mitsubishi Eclipse GSX

    Street Build

    11.935 @ 118.24 MPH
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  5. jakk220

    jakk220 Proven Member

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    Follow the video. From the sound of your post you are not spinning the actual rod. You need to grab the part of the rod that has no threads with a pair of pliers and rotate it clockwise (If you are underneath the dash looking at it upside down) into the clutch pedal assembly.
     
    My DSM:
    1993 Mitsubishi Eclipse GSX

    Street Build

    16g   manual
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  6. rolltidero

    rolltidero Proven Member

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    I've seen the jacks video. Is the nut I have to break loose the one on the front of the silver thing? If so, that not won't move. I turn it and turn it and it doesn't move on the threads. I can't see anything else turning that I'd have to hold in place while I turn to break it loose.
     
    My DSM:
    1998 Mitsubishi Eclipse Spyder GST

    Street Build

    T25   manual
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  7. rolltidero

    rolltidero Proven Member

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    Ok so I need to turn the actual rod. Is the locking but I need to break loose the one on the front of the silver thing?
     
    My DSM:
    1998 Mitsubishi Eclipse Spyder GST

    Street Build

    T25   manual
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  8. 91talonts1

    91talonts1 Proven Member

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    You need to loosen the jam nut that sits between the pedal end and the master itself. You want the nut to move away from the pedal, so it's not preventing the rod from moving in or out.
    If you're turning it the right way and it's not moving toward the firewall, then it's probably stripped.
    Turning the rod is the adjustment the jam nut simply locks it in place.
     
    My DSM:
    1997 Eagle Talon TSi AWD

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  9. jakk220

    jakk220 Proven Member

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    Do this.
     

    Attached Files:

    My DSM:
    1993 Mitsubishi Eclipse GSX

    Street Build

    16g   manual
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  10. rolltidero

    rolltidero Proven Member

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    Just an update on this thread, I am trying to loosen the nut on the rod but the rod turns with the nut. I can turn it either way clockwise or counter clockwise and it doesn't affect my pedal at all. I can't seem to get anything with enough grip to hold the rod while I turn the nut either. Any ideas?
     
    My DSM:
    1998 Mitsubishi Eclipse Spyder GST

    Street Build

    T25   manual
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  11. speedster39

    speedster39 Probationary Member

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    Use a vise grip pliers to hold the rod so that it doesn't turn as you break loose the locking nut with a wrench.
     
  12. jakk220

    jakk220 Proven Member

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    ^^ What he said.
     
    My DSM:
    1993 Mitsubishi Eclipse GSX

    Street Build

    16g   manual
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  13. pauleyman

    pauleyman DSM Wiseman

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    I disagree. Nut should break loose. What's holding it is the clevis, not the rod. To adjust the rod you do not need pliers or vice grips. Wiggle the pedal with one hand and adjust the rod with the other. Takes some work to get Into this position but its doable and the rod will turn easily both 1g and 2g.
     
    My DSM:
    1997 Eagle Talon TSi AWD

    Street Build

    T25   manual
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  14. jakk220

    jakk220 Proven Member

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    Now that you mention it you're right. That doesn't really make any sense. If the rod is spinning with the nut then it should be free.... I doubt its seized to the rod.
     
    My DSM:
    1993 Mitsubishi Eclipse GSX

    Street Build

    16g   manual
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  15. 91talonts1

    91talonts1 Proven Member

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    There's a flat on the rod at the end of the threads to hold it with a wrench.
     
    My DSM:
    1997 Eagle Talon TSi AWD

    Drag Race Build

      manual
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  16. pauleyman

    pauleyman DSM Wiseman

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    Not on an oem master there isn't.
     
    My DSM:
    1997 Eagle Talon TSi AWD

    Street Build

    T25   manual
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  17. 91talonts1

    91talonts1 Proven Member

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    Maybe not on the original one from the factory, but if you buy a new OEM one now it's gonna have them. This must be another one of those revisions I mentioned earlier.
     
    My DSM:
    1997 Eagle Talon TSi AWD

    Drag Race Build

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  18. pauleyman

    pauleyman DSM Wiseman

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    Its about time mitsu did something worth while.
     
    My DSM:
    1997 Eagle Talon TSi AWD

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    T25   manual
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  19. 91talonts1

    91talonts1 Proven Member

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    Probably not even their doing as they aren't built by mitsu from the looks of it.

    Side note, we have twins. Rare twins.
     
    My DSM:
    1997 Eagle Talon TSi AWD

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  20. rolltidero

    rolltidero Proven Member

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    Tuscaloosa, Alabama
    Another update, hit it with some PB Blaster and that didn't do anything or so I thought. I tried turning the nut and again the rod turned with the nut. Started driving a short way to get some food and randomly my clutch went extremely soft, not undrivably soft but no longer experiencing the pump up. I immediately pull over and check my fluid thinking I popped a gasket or something from all the excess pressure and my reservoir fluid was still full. So I went into the cabin and checked the MC rod and the nut had backed itself off and I could turn the rod with a pair of pliers. I'm gonna keep an eye on it to make sure it stays adjusted but for now it's adjusted somewhat correctly (it's not pumping up). Thanks for all the quick responses everyone.
     
    My DSM:
    1998 Mitsubishi Eclipse Spyder GST

    Street Build

    T25   manual
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  21. jakk220

    jakk220 Proven Member

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    Just because its not pumping up does not mean that it is adjusted correctly. Follow the video and do it correctly before you start another thread titled "Clutch slipping" or "Transmission shifting notchy"
     
    My DSM:
    1993 Mitsubishi Eclipse GSX

    Street Build

    16g   manual
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  22. rolltidero

    rolltidero Proven Member

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    Tuscaloosa, Alabama
    That's why I said "somewhat correctly." I plan to monitor it and adjust it as needed until I can get it to the right point described in the Jack's video.
     
    My DSM:
    1998 Mitsubishi Eclipse Spyder GST

    Street Build

    T25   manual
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  23. jakk220

    jakk220 Proven Member

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    Stow, Ohio
    If you do it by the video you should only have to adjust it once.
     
    My DSM:
    1993 Mitsubishi Eclipse GSX

    Street Build

    16g   manual
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  24. spyderdrifter

    spyderdrifter Supporting Member

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    Colorado Springs, Colorado
    I personally like this video more for clutch adjustment. I think he does a better job showing what needs to be done.

    The Jack's video is ok, but to me, it's not enough.

    Not always true. I followed the Jack's video the first time I tried and got so frustrated by it, that I drove around for months with poor clutch engagement until I found this other video.
     
    My DSM:
    1997 Mitsubishi Eclipse Spyder GST (sold)

    Street Build

    T28   manual
    1996 Mitsubishi Eclipse GSX (sold)

    16g   manual
    1996 Eagle Talon N/T (sold)

      manual
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  25. speedster39

    speedster39 Probationary Member

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    Fresno, California
    Above video is very informational. I'll try to adjust my clutch using this method. Thanks!
     
    spyderdrifter likes this.

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