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Eaton Fuller 13 Speed - Need help identifying part

Discussion in 'Trucks [ Eighteen Wheelers ]' started by HDFatboy, Mar 13, 2015.

  1. Mar 13, 2015 #1
    HDFatboy

    HDFatboy Light Load Member

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    Sep 22, 2011
    PA
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    I have air leaking from this part on the transmission. I took it off and the gasket is bad. However I have been looking through the parts diagram and can't seem to find what this part is called.

    Closest dealer is over an hour away and I want to make sure they have it first.

    [​IMG]
    [​IMG]
     
    HDFatboy, Mar 13, 2015
    HDFatboy, Mar 13, 2015
    #1
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  3. Mar 13, 2015 #2
    sailboatjim

    sailboatjim Light Load Member

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    Aug 27, 2014
    Boston, Mass
    0
    That the range valve I believe.
    It cycles when you go from low to high range.
     
    sailboatjim, Mar 13, 2015
    sailboatjim, Mar 13, 2015
    #2
    HDFatboy Thanks this.
  4. Mar 13, 2015 #3
    HDFatboy

    HDFatboy Light Load Member

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    Sep 22, 2011
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    Thank you. I got it all cleaned up, installed new gasket, and it no longer leaks.

    For future reference, I needed the Eaton Fuller o-ring kit part # K-3341
     
    HDFatboy, Mar 13, 2015
    HDFatboy, Mar 13, 2015
    #3
    blanco and rank Thank this.
  5. Mar 16, 2015 #4
    Cetane+

    Cetane+ Road Train Member

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    Sep 29, 2013
    Albany, NY
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    It looks like the oring on that shaft is leaking letting oil into the air cylinder. You "can" change it without taking the rear case off, but it is harry. You need to make sure you dont lose where the shift fork rides on.
     
    Cetane+, Mar 16, 2015
    Cetane+, Mar 16, 2015
    #4
    HDFatboy Thanks this.
  7. Mar 16, 2015 #5
    HDFatboy

    HDFatboy Light Load Member

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    Sep 22, 2011
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    Thanks for the info! The kit contained a few gaskets and o-rings but I only replaced the cover gasket where it was leaking air.

    When I get a chance I will take the cover off again and inspect it.
     
    HDFatboy, Mar 16, 2015
    HDFatboy, Mar 16, 2015
    #5
  8. Mar 17, 2015 #6
    sailboatjim

    sailboatjim Light Load Member

    292
    173
    Aug 27, 2014
    Boston, Mass
    0
    Good deal. I wish everyone finished their threads like this. It helps anyone coming in behind you.
     
    sailboatjim, Mar 17, 2015
    sailboatjim, Mar 17, 2015
    #6
    puncher Thanks this.
  9. Jun 4, 2019 #8
    hkooner

    hkooner Bobtail Member

    1
    0
    Sep 14, 2016
    0
    Hello my friend I have same problem gasket air leak from same place. I bought oRing kit. Is it easy to put new gasket ? I seen in photo there is 4 screw. Only open those no need to disconnect any air hose or air filter regulator ? Can you please give me instructions thank you
     
    hkooner, Jun 4, 2019
    hkooner, Jun 4, 2019
    #8
  10. Jul 22, 2019 #9
    Baldo esparza

    Baldo esparza Bobtail Member

    1
    0
    Jul 22, 2019
    0
    Have any one put the complite oring kit k3341
     
    Baldo esparza, Jul 22, 2019
    Baldo esparza, Jul 22, 2019
    #9
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