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Clutch slipping?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by OldeSkool, Feb 25, 2020.

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  1. Feb 25, 2020 #1
    OldeSkool

    OldeSkool Road Train Member

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    I have a Eaton Fuller 10 speed transmission. Lately, especially in high range, my engine will suddenly rev up. Almost as if the wheels are breaking loose and spinning although I know they aren't on dry pavement loaded. I was getting quite worried, thinking my tranny was going out, but got to thinking possibly my clutch needs adjustment or replaced.

    Does this sound like a clutch problem? If so, how do I know which way to adjust it? It has an "adjusting arm" that i've replaced but I just put it back the same length as the old one. Any ideas?? If it's tranny it may go on Auction Time lol. ;)
     
    OldeSkool, Feb 25, 2020
    OldeSkool, Feb 25, 2020
    #1
    magoo68 Thanks this.
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  3. Feb 25, 2020 #2
    McMahons Trucking

    McMahons Trucking Light Load Member

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    Yes. It need adjusted or replaced.
     
    McMahons Trucking, Feb 25, 2020
    McMahons Trucking, Feb 25, 2020
    #2
    HoneyBadger67, Rideandrepair and OldeSkool Thank this.
  4. Feb 25, 2020 #3
    Ridgeline

    Ridgeline Road Train Member

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    Take it to a shop to show you how to do it right.
     
    Ridgeline, Feb 25, 2020
    Ridgeline, Feb 25, 2020
    #3
    Rideandrepair and OldeSkool Thank this.
  5. Feb 25, 2020 #4
    Rideandrepair

    Rideandrepair Road Train Member

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    Probably needs clutch and linkage adjustment
     
    Rideandrepair, Feb 25, 2020
    Rideandrepair, Feb 25, 2020
    #4
    OldeSkool Thanks this.
  7. Feb 25, 2020 #5
    HoneyBadger67

    HoneyBadger67 Road Train Member

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    YouTube is a vocational school, isn't it?
     
    HoneyBadger67, Feb 25, 2020
    HoneyBadger67, Feb 25, 2020
    #5
    OldeSkool Thanks this.
  8. Feb 25, 2020 #6
    Hulld

    Hulld Road Train Member

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    Does it do it in high gear when you tip in the throttle and boost rises quickly?
    Did you get it running correctly from the other running issue you had?
    If you got it running right with that deleted 14.0 liter I know exactly what’s wrong with your clutch.
     
    Hulld, Feb 25, 2020
    Hulld, Feb 25, 2020
    #6
    OldeSkool and Rideandrepair Thank this.
  9. Feb 25, 2020 #7
    Final Drive

    Final Drive Road Train Member

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    How much play does your clutch pedal have?
     
    Final Drive, Feb 25, 2020
    Final Drive, Feb 25, 2020
    #7
    OldeSkool, Rideandrepair and baha Thank this.
  10. Feb 25, 2020 #8
    HoneyBadger67

    HoneyBadger67 Road Train Member

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    Certainly look here first. I usually look to adjust when there's not enough freeplay to kick off cruise.
     
    HoneyBadger67, Feb 25, 2020
    HoneyBadger67, Feb 25, 2020
    #8
    OldeSkool and Rideandrepair Thank this.
  11. Feb 25, 2020 #9
    Final Drive

    Final Drive Road Train Member

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    If you have enough freeplay at the pedal im thinking you need a new clutch..
     
    Final Drive, Feb 25, 2020
    Final Drive, Feb 25, 2020
    #9
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  12. Feb 26, 2020 #10
    baha

    baha Road Train Member

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    Climb under truck with wheels chocked and pull bell housing cover where you grease the throw/out bearing and look at how much room b/tween throwout bearing and pressure plate if they are close its time to adj. clutch?
     
    baha, Feb 26, 2020
    baha, Feb 26, 2020
    #10
    OldeSkool and Rideandrepair Thank this.
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