Range splitter question

Discussion in 'Kenworth Forum' started by EWV, Oct 11, 2016.

  1. EWV

    EWV Light Load Member

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    Hi have an 18sp eaton fuller.
    Replaced the gear shift knob about 2 months ago (for a nice shiny pretty one lol ).
    Been absolutely perfect until a couple days ago.
    Everything still works as it should but now ....with increasing intensity .... when I flick the splitter back to go down a half gear there's a loud piercing noise like an air leak right in the shifter knob.
    Literally push it forward 1mm it stops.
    It does not do this going up half a gear.
    We took the cover off below the knob and checked all the airline connectors which are fine. The noise seems to be coming from actually inside the knob.
    Before I take it apart are there any ideas as to what it might be or what I should look for....I remember how tricky the sucker was to put on the first time with the ball and springs etc lol.
    Many thanks
     
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  3. wore out

    wore out Numbered Classic

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    That funny shaped o-ring is your problem. The one around the springs and balls. Lubing it may help. However it's gonna leave you in a bind when you need it worse. Like loading sand and having to pull a 7 percent 2 mile grade right out of the gate. A genuine Eaton knob is all I have ever had good luck with
     
    Bean Jr., EWV and x1Heavy Thank this.
  4. EWV

    EWV Light Load Member

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    Ah ok yep I know the one you mean. I will pull.it apart and try that then...else my pretty new knobs no good lol
    Thank you
     
    x1Heavy Thanks this.
  5. x1Heavy

    x1Heavy Road Train Member

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    To reinforce Neighbor Woreout's post. Make it a really good knob. And you will be ok on the jacob's ladder when all bets are off.
     
    EWV Thanks this.
  6. W900AOwner

    W900AOwner Heavy Load Member

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    I put old school Fuller Roadranger shift knobs on all mine with 13/18 speeds for nostalgic feeling, and to keep a small piece of history at hand at all times. Only thing I have left, lol.

    My 1978 and 2000 W9's have the chrome domed splitter and the separate hi-lo range switch on the side. I bought mine off Ebay, probably knockoffs but they've been fine for a few years in service so far. I do keep a spare on the shelf just in case. If I remember right, the splitter is about $32 bucks, and the hi-lo switch was $17.00, so about $60.00 shipped to the door total. I priced them for fun at Peterbilt store once, the splitter itself they wanted $80.00 for.

    http://www.ebay.com/itm/SHIFT-KNOB-...ash=item3d0bbecc0d:g:uRYAAOSwcOFWbdDk&vxp=mtr
    13 speed splitter knob.jpg
     
  7. x1Heavy

    x1Heavy Road Train Member

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    Oh so pretty.

    Take me back to my 13's days. Oh the Nostaglic... whoo..
     
  8. EWV

    EWV Light Load Member

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  9. EWV

    EWV Light Load Member

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    Lol lost my first reply somewhere.

    Very nice. I'm gonna look on ebay to get a spare handy I think too.
    Thanks
     
  10. wore out

    wore out Numbered Classic

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    My red and black 359 came with a RTOO14613. It came with the 3 position knob like you posted. Killed me when the slave went bad and couldn't get the 3 line anymore. I had to update to the new style.
     
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  11. Bean Jr.

    Bean Jr. Road Train Member

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    I would like to get one like that, but if I remember correctly, the splitter only knob had a picture of a globe on and said "Road Ranger".

    I've thought about calling Eaton to see if they have any NOS. I would, if forced, get a knob like yours, but not splitter/range knob.
     
    x1Heavy Thanks this.
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