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Hi low splitter problem

Discussion in 'Volvo Forum' started by Bicycleman, May 13, 2015.

Page 1 of 3
  1. May 13, 2015 #1
    Bicycleman

    Bicycleman Bobtail Member

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    May 13, 2015
    0
    on our 780 Volvo with 9 speed transmission whenever we shift from 4th to 5th using splitter, there is a grinding noise like a gear is being hit. All other gears are shifting normally. We just had transmission replaced in W.Virginia at an independent shop, phone call to them reviled no guarantee of their work there is a 1 yr. warranty from the co. that rebuilt the tranny but we don't know where the problem is in the shifter or the transmission any help would be appreciated.
     
    Bicycleman, May 13, 2015
    Bicycleman, May 13, 2015
    #1
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  3. May 13, 2015 #2
    Ringo1

    Ringo1 Light Load Member

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    Apr 20, 2014
    South Carolina
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    The back box of the transmission has sliding clutches that mesh together to give you high range. That material is what keeps the sliding clutch from grinding and that is what you're hearing. It is safe to drive but if there is warranty on the transmission you need to give those folks a call to see what they are going to do for you.

    Good luck.
     
    Ringo1, May 13, 2015
    Ringo1, May 13, 2015
    #2
    blairandgretchen Thanks this.
  4. May 13, 2015 #3
    taxihacker66

    taxihacker66 Road Train Member

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    Concrete jungle.
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    I have the same problem and was told it's the syncro gear. I haven't fixed it yet and have done about 60k miles since it started .
     
    taxihacker66, May 13, 2015
    taxihacker66, May 13, 2015
    #3
  5. May 13, 2015 #4
    poppapump1332

    poppapump1332 Road Train Member

    2,987
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    Jan 2, 2010
    birdsboro,pa
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    Yep back of transmission is where its at had a mack that had the same problem on the bright side you can drive it just gets annoying.
     
    poppapump1332, May 13, 2015
    poppapump1332, May 13, 2015
    #4
  7. May 13, 2015 #5
    icsheeple

    icsheeple Trailing the Herd

    2,548
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    Nov 1, 2013
    Kansas City, KS
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    When I switch from high back to low it seems to take a second too long. No grinding though. I think I just need a new gasket.
     
    icsheeple, May 13, 2015
    icsheeple, May 13, 2015
    #5
  8. May 13, 2015 #6
    poppapump1332

    poppapump1332 Road Train Member

    2,987
    2,465
    Jan 2, 2010
    birdsboro,pa
    0
    I doubt it but hopefully for you syncro is bad my guess.
     
    poppapump1332, May 13, 2015
    poppapump1332, May 13, 2015
    #6
  9. May 13, 2015 #7
    315wheelbase

    315wheelbase Heavy Load Member

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    Oct 26, 2014
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    why would you use a shop that does not guarantee their work?
     
    315wheelbase, May 13, 2015
    315wheelbase, May 13, 2015
    #7
  10. May 14, 2015 #8
    Hammer166

    Hammer166 Crusty Information Officer

    7,561
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    Aug 18, 2007
    ~8600+' and loving it!
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    Check the air supply filter for the tranny. It's also possible there is an issue with the slave cylinder not moving as freely as it should.
     
    Hammer166, May 14, 2015
    Hammer166, May 14, 2015
    #8
    baha Thanks this.
  11. May 15, 2015 #9
    Bicycleman

    Bicycleman Bobtail Member

    3
    0
    May 13, 2015
    0
    I did say it was in West Virginia there just wasn't a lot to choose from, as it was they charged $500 to be towed about 15 miles. Got to wonder how much it would have been to go 50 down the toll road? At least that would have got us to a shop we knew in Princeton, we would have been better off. Yes and would have been guaranteed. Isn't hindsight great, but we are here to share and learn from others experierences.
     
    Bicycleman, May 15, 2015
    Bicycleman, May 15, 2015
    #9
  12. May 15, 2015 #10
    Bicycleman

    Bicycleman Bobtail Member

    3
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    May 13, 2015
    0
    thanks to all with your ideas, it is a place to start will post when we get it figured out and fixed
     
    Bicycleman, May 15, 2015
    Bicycleman, May 15, 2015
    #10
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