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Phasing driveshaft

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by insanityeight, Jun 17, 2020.

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  1. Jun 17, 2020 #1
    insanityeight

    insanityeight Light Load Member

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    Pete 579. All info says to phase driveshaft that the ears on both ends must line up. Dealer says some trucks set up at factory could be 90 degrees off each other like a Plus sign. Mine are about 40 degrees from each other. Think ill try the perfectly lined up method unless someone knows better on a 2016 579 pete.
     
    insanityeight, Jun 17, 2020
    insanityeight, Jun 17, 2020
    #1
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  3. Jun 17, 2020 #2
    Goodysnap

    Goodysnap Road Train Member

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    Intermediate shaft between axles will look wrong and phased 45* from the factory and is correct.

    Main drive line should be in line.

    If you think its been moved have it balanced and marked. Driveshafts should always be marked on removal and put back just the same.
     
    Goodysnap, Jun 17, 2020
    Goodysnap, Jun 17, 2020
    #2
    spsauerland, SmallPackage, BoxCarKidd and 3 others Thank this.
  4. Jun 17, 2020 #3
    insanityeight

    insanityeight Light Load Member

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    Well idk if it was 45 degrees , probly close but i put it straight in line ear to ear and no difference that i can tell. Same vibration. Especially when stopping
     
    insanityeight, Jun 17, 2020
    insanityeight, Jun 17, 2020
    #3
    Klalston Thanks this.
  5. Jun 17, 2020 #4
    Goodysnap

    Goodysnap Road Train Member

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    Driveline vibrations will not change when braking. You most likely have something going on in a wheel end.

    Driveline vibrations will usually change accell to decell.

    What did you find with your brake problem?
     
    Goodysnap, Jun 17, 2020
    Goodysnap, Jun 17, 2020
    #4
    spsauerland and pushbroom Thank this.
  7. Jun 17, 2020 #5
    insanityeight

    insanityeight Light Load Member

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    Front left hub wasnt centering drum correctly so new hub drum n shoes. Vibrates like hell when stopping
     
    insanityeight, Jun 17, 2020
    insanityeight, Jun 17, 2020
    #5
  8. Jun 17, 2020 #6
    baha

    baha Road Train Member

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    Ck that you have the correct drum for the new hub that you bought?
     
    baha, Jun 17, 2020
    baha, Jun 17, 2020
    #6
    BoxCarKidd Thanks this.
  9. Jun 17, 2020 #7
    insanityeight

    insanityeight Light Load Member

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    It is. The braking vibration from fromt wheel is gone. It was warping drums and isnt anymore. Just still have a shimmy somewhere behind the cab i cant figure out
     
    insanityeight, Jun 17, 2020
    insanityeight, Jun 17, 2020
    #7
  10. Jun 17, 2020 #8
    Deere hunter

    Deere hunter Road Train Member

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    Have you ck’d stabilizer bars from frame to Top of housing?
     
    Deere hunter, Jun 17, 2020
    Deere hunter, Jun 17, 2020
    #8
  11. Jun 17, 2020 #9
    insanityeight

    insanityeight Light Load Member

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    Nahh. Jus jacked her up n put it in hear and got out and these cheap ### chinese tires are all wobbling like crazy. Guess thats my vibration
     
    insanityeight, Jun 17, 2020
    insanityeight, Jun 17, 2020
    #9
    Itsbrokeagain and Deere hunter Thank this.
  12. Jun 17, 2020 #10
    Deere hunter

    Deere hunter Road Train Member

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    Necessity is the mother of invention!!!!
     
    Deere hunter, Jun 17, 2020
    Deere hunter, Jun 17, 2020
    #10
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