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truck cab vibrations

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Dorsey, Mar 7, 2015.

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  1. Mar 7, 2015 #1
    Dorsey

    Dorsey Medium Load Member

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    Jan 28, 2012
    Florida
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    What all can cause the truck cab to vibrate. Mostly under acceleration. It just started this the last couple of days.
     
    Dorsey, Mar 7, 2015
    Dorsey, Mar 7, 2015
    #1
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  3. Mar 7, 2015 #2
    RSQ20

    RSQ20 Medium Load Member

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    Jul 11, 2013
    Upper Fraser Valley, BC Canada
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    do you have an engine miss fire, or a bad engine mount?

    Check the Ujoint at the transmission output..

    .... Philip
     
    RSQ20, Mar 7, 2015
    RSQ20, Mar 7, 2015
    #2
    Dorsey Thanks this.
  4. Mar 7, 2015 #3
    PaulE

    PaulE Medium Load Member

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    Jan 15, 2009
    Verona Wi
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    Bad engine mounts, broken cross members , carrier bearing . ride height etc,etc. long list
     
    PaulE, Mar 7, 2015
    PaulE, Mar 7, 2015
    #3
    Dorsey Thanks this.
  5. Mar 7, 2015 #4
    xsetra

    xsetra Road Train Member

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    bad tire, out of balance.
     
    xsetra, Mar 7, 2015
    xsetra, Mar 7, 2015
    #4
  7. Mar 7, 2015 #5
    Dorsey

    Dorsey Medium Load Member

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    Jan 28, 2012
    Florida
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    I checked the ujoints. Where the drive shafts slides back and forth wiggles a little. I dont know if that is normal. The carrier bearing has a rubber price on it? I can make that move. Normal? As far as the truck having a miss fire. I know this sounds stupid but you really can't tell with the vibration. It still pulls good. That's why I asked earlier on another thread about how to check for codes. Nothing for codes though other that the 55.
     
    Dorsey, Mar 7, 2015
    Dorsey, Mar 7, 2015
    #5
  8. Mar 7, 2015 #6
    Helowrenchturn2

    Helowrenchturn2 Medium Load Member

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    Apr 23, 2013
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    The rubber moving is normal. It's there to absorb the movement of the ujoints at that location. The slip joint moving is not normal. There shouldn't be any play there at all. It should only be able to slide forward and backward within itself
     
    Helowrenchturn2, Mar 7, 2015
    Helowrenchturn2, Mar 7, 2015
    #6
    Dorsey Thanks this.
  9. Mar 7, 2015 #7
    mhyn

    mhyn Road Train Member

    4,255
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    Dec 29, 2008
    Northridge, CA
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    is it Cascadia dd15 ?
     
    mhyn, Mar 7, 2015
    mhyn, Mar 7, 2015
    #7
  10. Mar 7, 2015 #8
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Hesperia, Ca.
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    I think you found your problem.............the slip yoke is not suppose to wiggle. Many forget to grease this and it dries out.
     
    Diesel Dave, Mar 7, 2015
    Diesel Dave, Mar 7, 2015
    #8
    Dorsey Thanks this.
  11. Mar 8, 2015 #9
    Dorsey

    Dorsey Medium Load Member

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    Jan 28, 2012
    Florida
    0

    No. It's a 2007 379 with a c15.
     
    Dorsey, Mar 8, 2015
    Dorsey, Mar 8, 2015
    #9
  12. Mar 8, 2015 #10
    Dorsey

    Dorsey Medium Load Member

    412
    209
    Jan 28, 2012
    Florida
    0
    I stopped by a shop with a pit today and had them check it. He didn't seem to think much of it. Said he's seen worse. I parked it and crawled back under and it is only a slight movement. It's VERY hard to crawl under this truck. Me getting up under there is like putting a round peg in a square hole. Fat people and car haulers don't mix.
     
    Dorsey, Mar 8, 2015
    Dorsey, Mar 8, 2015
    #10
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