Clutch or transmission issue?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by superhill56, Apr 22, 2020.

  1. superhill56

    superhill56 Light Load Member

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    Didn’t run any miles. Only been about 5,000 since the PM. Was trying to wait for rates to jump.
     
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  3. superhill56

    superhill56 Light Load Member

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    are there any other gears that are direct that I can try to single it out?
     
  4. AModelCat

    AModelCat Road Train Member

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    In the main box, just 4th. Back box I believe should be direct in all high range gears.
     
  5. superhill56

    superhill56 Light Load Member

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    Thanks man for your help. I uploaded a video of that will help. This is at idle
     
  6. 650cat425

    650cat425 Road Train Member

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    Makes more sense now that you said that...
     
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  7. AModelCat

    AModelCat Road Train Member

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    Does it also make the noise with clutch pedal to the floor? What about with just slight pressure on the pedal?
     
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  8. superhill56

    superhill56 Light Load Member

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    No if the clutch is pressed in the noise completely goes away.
     
  9. AModelCat

    AModelCat Road Train Member

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    Not saying it can't be the clutch but I'm leaning more internally. Clutch pedal pressed, clutch housing and intermediate plate still rotate. Means the clutch housing isn't contacting anything inside the bellhousing. Definitely can't be the pilot bearing. Kind of leaning away from the release bearing. Typically, but not always, they "growl" more with the pedal pressed.
     
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  10. superhill56

    superhill56 Light Load Member

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    Powdersville, SC
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    If it was internal would the noise transmit to the clutch? All the racket sounds like it’s in the clutch housing. This is crazy! Last month was Turbo this month is clutch/transmission. Can a guy catch a break!
     
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