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Customs I need help with my clutch.

Discussion in 'The Hokey Ass Message Board' started by kan't spell, Oct 19, 2018.

  1. I haven't posted anything in awhile but I need some help! I've been slowly putting a new drive train in my Chevy. Nothing fancy. Just a SBC with a Saginaw 3 speed. I thought I had the cluch mechanism all sorted out but now it's not disengaging. No matter how much force I put on the clutch fork it doesn't move. Like I said, it was working but now it isn't. The car hasn't been driven. The motor hasn't even run.
    Thanks for you help.
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 46,902

    squirrel
    Member

    pictures?

    Does the pedal have free play?
     
  3. Boneyard51
    Joined: Dec 10, 2017
    Posts: 4,383

    Boneyard51
    Member

    The throw out bearing could be binding on the transmission output shaft.

    Bones
     
  4. Not much to take pics of. The pedal assembly is original and the mechanism is all home made and all works smoothly. The problem seems to be in the transmission. Even with a steel bar for leverage and pushing with my foot I can't get the clutch fork to move.
     

  5. I'm afraid it might be something like that. I really don't want to have to pull out the trans but I might need to.
     
  6. s55mercury66
    Joined: Jul 6, 2009
    Posts: 3,980

    s55mercury66
    Member
    from SW Wyoming

    I have replaced two clutch assemblies in the last year that had a spring fall out of the disc, landing in the pressure plate so the clutch wouldn't disengage. Two years ago I repaired another one that had the snout on the bearing retainer break off, causing the same issue. Be happy that it's not a 4 speed 4wd Ford from the '70's.
     
  7. Bones, I do see you are an Oakie from Muskogee, but you did mean input shaft, did you not?:p

    Ben
     
    Boneyard51 likes this.
  8. GordonC
    Joined: Mar 6, 2006
    Posts: 2,104

    GordonC
    ALLIANCE MEMBER

    When making the homemade part of the clutch set up did you replicate the lengths and sizes and direction of a stock set up? I made my own clutch linkage set up one time and couldn't push my clutch down with 2 feet! There is a ratio of pedal height to length of throw and pressure required that I had messed up. Plus I was doing a pull type set up as opposed to a stock push type. Was a weird problem as the linkage all moved very freely when not connected. Had to change my set up from a pull type set up to a push type set up using reconfigured stock parts and it now works very well.
     
  9. Could be the pedal ratio. I put my Ford together and moved the clutch rod pivot about 2" lower on the arm, took 2 people to push the pedal. Re-located the pivot and clutch master to the stock position, problem solved.

    How long has it been sitting, any possibility of the disc being stuck to the flywheel, did it ever work?
     
  10. I'm going to have a look for that. I might need to pull the motor out. I don't think I can undo the bell house with it in the car.
     
  11. I'm 98% sure it is not the linkage as I did have it working. Didn't have the car running but I did have the clutch working.
    Everything is new but it has been sitting for about a year and a half.
    Any ideas how to free it up if it is the stuck to the flywheel?
     
  12. Pull the rod from Z bar to clutch fork to see if binding is hidden below or above then go from there.
     
  13. fastcar1953
    Joined: Oct 23, 2009
    Posts: 2,233

    fastcar1953
    ALLIANCE MEMBER

    could you look up under the inspection cover?
     
  14. Boneyard51
    Joined: Dec 10, 2017
    Posts: 4,383

    Boneyard51
    Member

    Yeah, never post when you’re at the club! I must have been looking at it from the back side of the transmission. Lol


    Bones
     
    firstinsteele likes this.
  15. I figured it out. Thanks for your help guys. A couple whacks with a hammer on the clutch fork and it started moving again. The linkage did need a little more work. I reinforced a few things, changed a couple brackets, adjusted the threaded parts of my linkage to the right length and it all works now.
     
    VANDENPLAS and Johnny Gee like this.
  16. Love me a good BFH ending.
     
    dirty old man and VANDENPLAS like this.
  17. GordonC
    Joined: Mar 6, 2006
    Posts: 2,104

    GordonC
    ALLIANCE MEMBER

    Good deal! BFH best tool in the tool box!
     
    VANDENPLAS likes this.

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