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Fennnnder clutch

Discussion in 'General Land Rover Forum' started by resto_d1, Mar 24, 2020.

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  1. resto_d1

    resto_d1 Well-Known Member

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    784C5BFE-39EA-4EFA-920C-852B3D27CD17.jpeg Thanks gents. A little update.

    I took the master cylinder and clutch pedal assembly out - it was brand spanking - no wear marks etc so this is definitely down to user error I think.
    I was incorrect in what I said - bleed nipple is ontop of slave.
    I stripped master, re assembled with rrg where necessary.
    I borrowed the bleeder from neighbour and didn’t want to knock given the corona situation!
    So, I jacked her up and tried bleeding with the aid of a wooden block.
    Nope, I can’t get near even an ok? I’ve left the wooden block on the pedal overnight. Hoping that that might even catch the thread so to speak. I know this must be my error but not sure how I’m getting it so wrong?
     
  2. Hicap phill

    Hicap phill Well-Known Member

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    Take the slave back out the bell housing & push the cylinder all the way in & somehow lock it there. Then bleed.
    Once good allow the piston to move all the way out. then push 1/2 way & refit to bellhousing.
    Don’t forget fluid will go everywhere
     
  3. resto_d1

    resto_d1 Well-Known Member

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    Thanks Phil. To clarify:

    Carefully draw slave out
    Clamp compressed
    Bleed still via slave nipple using standard bleed procedure - will have to be me and a bit of fence post so may take a while! (hydraulics stand alone)
    Undo clamp (will it not blow with no pushrod and fork to be against? I.e like a brake caliper piston shooting out)
    Push back on halfway and refit to pushrod
     
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  4. Kev12

    Kev12 Well-Known Member

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    Sometimes air can creep back in past the nipple threads if it isnt nipped up as soon as the pedal is pressed down. A couple of wraps of PTFE tape can help if you have no helper
    Piston wont pop out by itself (neither would a brake caliper piston)
     
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  5. resto_d1

    resto_d1 Well-Known Member

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    I’ve popped caliper pistons out with air before? I’d assume the slave is a circlip and washer preventing piston shooting out. Thanks I was looking at the bleed nipple thinking ptfe would help - I’ll use that!
     
  6. resto_d1

    resto_d1 Well-Known Member

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    Just done in my head Kev and see what you mean it wouldn’t shoot out as pressure would be exiting the nipple hence clamping the slave in to stop getting an air trap there. Makes sense
     
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  7. Kev12

    Kev12 Well-Known Member

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    Yes but it wont pop out by itself, no pressure unless you press the pedal ;)
    Edit: yeah these things can drive you a bit crazy
     
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  8. resto_d1

    resto_d1 Well-Known Member

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    Thanks both - I like the idea of this!
     
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  9. Hicap phill

    Hicap phill Well-Known Member

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    Just remove the dust cap off the slave you may find a circlip.
    Good luck in bleeding.
     
  10. raywin

    raywin Well-Known Member

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    The bleed nipple should actually seal on the taper which seats in the bottom of the threaded hole, if fluid is reaching the threads something is wrong.
    images(2).jpg
     
  11. resto_d1

    resto_d1 Well-Known Member

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    I agree, and I also suspect where I was getting annoyed that it was slow to come through, I over loosened the nipple more than once. Ptfe would cure this error but I’ll go with a calm approach to the plan given above. Thanks again all. I have to do some work first haha!
     
  12. raywin

    raywin Well-Known Member

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    If you look at the bleed nipple design, if the seat is not working, or the nipple is backed off, then the fluid will go through the little hole below the threads and comes out of the end of the nipple, so PTFE tape should not stop its escape.
    Good news is if you dont put too much on it can stop dirt and water going into the threads and also act as an anti seizure device.
     
  13. jamesmartin

    jamesmartin Well-Known Member

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    it will theres a spring behind the piston, rubber dust cover is the only thing stopping the slave piston popping out
     
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  14. jamesmartin

    jamesmartin Well-Known Member

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    if your getting little fluid at the slave its the master you need to look at, bleeding the master before fitting the pipe is often necessary
     
  15. rob1miles

    rob1miles Well-Known Member

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    Keep the bleed hose above the nipple and full, its very easy to suck air back though the nipple.
     
  16. Kev12

    Kev12 Well-Known Member

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    You are quite right of course, can even see the spring in the pic on page 1 :confused:
     
  17. resto_d1

    resto_d1 Well-Known Member

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    We are in business - thank you.
    Slave clamped, system bled repeatedly and I have a clutch. However, it’s still very low....
     
  18. resto_d1

    resto_d1 Well-Known Member

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    That’s the master innards stripped and rebuilt mate
     
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  19. resto_d1

    resto_d1 Well-Known Member

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    Yes did bench bleed master James cheers
     
  20. Kev12

    Kev12 Well-Known Member

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    Think I better go back to bed
     
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