Clutch issue not sure?

Discussion in 'Peterbilt Forum' started by Oldironfan, Jun 26, 2018.

  1. Oldironfan

    Oldironfan Road Train Member

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    Was just driving in SD on I 29 going north at 74mph in cruise, than came up a slight hill very slight. Than engine revved up to 2200 or enough to show red oversees warning. I am light loaded with a 579 mx13, and 13 speed eaton? 410,000 miles on 15 year truck. It's not mine.
     
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  3. bigmotor1212

    bigmotor1212 Light Load Member

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    Had to be the clutch or you broke traction.
     
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  4. DougA

    DougA Road Train Member

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    Do you have freeplay in the clutch pedal?
     
  5. ShooterK2

    ShooterK2 Road Train Member

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    Clutch. It either needs adjusted or replaced.

    Do you have any free play in the pedal at all?
     
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  6. nikmirbre

    nikmirbre Road Train Member

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    I just went through same problem..... it only happens on hills... loaded or empty. More prevalent when loaded. I had my clutch replaced over a year ago. Stopped and had it adjusted, problem went away.

    Then I about broke my neck leaving the shop with the clutch adjustment..... lol
     
  7. Oldironfan

    Oldironfan Road Train Member

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    The clutch grabs near the very top of petal. Was told can't adjust much as it's hydrolic? I did not loose traction on dry pavement cruising constant 74mph. I'm guessing idiots drive this truck before I did. And clutch needs work.
     
  8. Goodysnap

    Goodysnap Road Train Member

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    It can be adjusted. There is no way to feel the freeplay with the hydraulic actuator. First giveaway is the clutch brake will be gone from the bottom of pedal travel. Having issues getting into gear?. Get In the shop and get it adjusted pronto.
     
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  9. Oldironfan

    Oldironfan Road Train Member

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    I do not think my carrier mechanic know how to do that. Nor do I. May need Peterbilt to do it. But that's ok guess I an wait.
     
  10. Goodysnap

    Goodysnap Road Train Member

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    The clutch adjustment is nothing special and is the same as it has been on every eaton clutch for years. Set the 1/2" gap bearing to brake and go. No linkage to adjust with the hydraulic actuator. If it's a solo you may have deeper issues than adjustment however, but the wear tab should show closer to replace if it slipping and is a solo which means it's time to replace.
     
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  11. Oldironfan

    Oldironfan Road Train Member

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    I have notice splitting gears down it does not catch very good need to be at perfect rpm.
     
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