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How to bleed the clutch slave ?

Discussion in 'GM Manual Transmissions' started by Acesneights1, Apr 24, 2011.

  1. Acesneights1

    Acesneights1 New Member

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    ON a 93 with an NV4500 4x4, have o replace the line as it broke during engine change. what is the procedure for bleeding it ? Gravity or pumping the clutch pedal ? I know on the old truck I used to work on you had to gravity bleed them. I am going to forward this info to someone else so please explain like the person doing it knows nothing....:D
     
  2. CtChevy427

    CtChevy427 Still Kicking.... Staff Member Lead Moderator

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    Moved to GM Manual Transmissions
     
  3. 88gmctruck

    88gmctruck 02GMCtruck

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    When I swapped my NV4500 in, I gravity bled it.

    Here is the procedure from my 99's service manual.

     
  4. btfarm

    btfarm Quarter Million Worth Staff Member Moderator

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    I know when I bled a new slave cyl on a Honda Accord several years ago for a buddy of mine it took about 2 hours worth of pump and bleed. Well maybe not QUITE 2 hours...;)
     
  5. GM Guy

    GM Guy Manual Trans. 2WD Enthusiast

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    davids post is spot on. we didnt have too tough of a time with the 98 GMC following those procedures.
     
  6. Acesneights1

    Acesneights1 New Member

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    well, I popped the plunger out of a brand new slave. Apparently the rod missed the fork upon install. I shoved it back in. Guess I'll see if it's ok.
     
  7. DieselCash

    DieselCash Trust but, verify Staff Member Moderator

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    2 Hours? You must have pumped the pedal, bleed, then drink a beer and repeat as necessary to make it last 2 hours. :D
     
  8. iamdave0887

    iamdave0887 Here Comes Chaos.....

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    When i bled the slave in the K-5 i actually pushed the slave cylinder a few times with the cap off the master cyl reservoir. This forced the air up and it bubbled out of the reservoir.

    Gravity bleed also works, as does vacuum bleeding at the slave(if you put Teflon tape on the bleeder threads that is).
     
  9. btfarm

    btfarm Quarter Million Worth Staff Member Moderator

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    OK... maybe it was more like 20 minutes...:D
     
  10. Acesneights1

    Acesneights1 New Member

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    nope, up to two days now and still not right. If that tranny has to come out for any reason,. I'm gonna find a way to convert to linkage. What crap.
     
  11. jrsavoie

    jrsavoie Recruit

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    Do you have a bleeder screw? The 94 does not. What crap. We need to check and see if a fitting with a bleeder can be added.

    Does anybody know anything about the allen screw in the slave? As far as what would be needed to remove it and install a bleeder?

    I do not remember what we did to finish bleeding. We did a combination of gravity and pumping.

    On my old 89 I just hooked a pump to the bleeder and filled the reservior. I was good to go in no time.
     

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