Tranny grinds when shifting from low to high gears??

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Nestor, Mar 28, 2016.

  1. BoxCarKidd

    BoxCarKidd Road Train Member

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    Just got back and I see you have it worked out. What I meant was if you go to the box (search) on the top right of your screen and search the answers are there. Not search in your gear box.
    Luwi: Is it possible you bump it in neutral after preselecting range change at the wrong speed some times. Is it RPM related? The high low air piston is on the right rear of the trans and maybe dry. I have used oil and white lube. Someone else said Eaton silicone grease? Just some thoughts but I have never heard a problem like that ( air or mechanical) lasting that long without failing. Surly air system related I would thank.
     
    Luwi67 Thanks this.
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  3. nikmirbre

    nikmirbre Road Train Member

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    Is the tranny grinding on YOU when going from low to high??? :)
     
  4. tucker

    tucker Road Train Member

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    Don't let the tranny drive,

    Sorry. I apoligize to all the transsexuals out here.
     
  5. Nestor

    Nestor Light Load Member

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    Yea it grinds from Low to high but Ima go ahead and replace both
     
  6. Nestor

    Nestor Light Load Member

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    Thanks man
     
  7. wstar2003

    wstar2003 Light Load Member

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    o_O
    I'd tell it to either stop that or I was going to put it out of the truck. That kind of behavior is just not acceptable while we're driving. Ridiculous.
     
  8. nikmirbre

    nikmirbre Road Train Member

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    Ewwwww, so your saying its only acceptable when your not driving? Wouldnt be in my truck to begin with…. :)
     
  9. Tony2019

    Tony2019 Bobtail Member

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    Did you get yours fix I have the same problem
    I have meritor transmission 10 speed mine grinding when shifting from high to low or from high to neutral
    How much does it cost to fix it ?
     
  10. allisonisatranny

    allisonisatranny Light Load Member

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    DOUBLE clutch after you pre-select your high ranger, then double clutch. I did this and had no problem. If you don't double clutch, it will grind. Not grinding is a good thing....
     
  11. REALITY098765

    REALITY098765 Road Train Member

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    I was going to ask, are you using the clutch when this is happening?
     
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