eaton 13 speed

Discussion in 'Trucks [ Eighteen Wheelers ]' started by k whopper, Nov 7, 2015.

  1. k whopper

    k whopper Light Load Member

    100
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    Sep 9, 2011
    milledgeville ga
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    hi I had a 13 speed installed in my truck it shifts fine but when you push the range button down to the low side there is a small delay before it goes in to the low side there is no grinding just a 5 second delay as if it waiting on air
     
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  3. mountaingote

    mountaingote Road Train Member

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    Sep 22, 2012
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    5 seconds? I would say valve problem or something in the air lines
     
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  4. beemergary

    beemergary Light Load Member

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    Apr 11, 2014
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    Mine can be slow. There's a 5/32" line conversion that makes sense to speed up range and splitter time. I replaced my lines with the 1/8" factory. Like to be able to go to parts store for common fittings and line. Maybe someone tightened down those compression fitting too much and blocked some of the air.
     
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  5. Superhauler

    Superhauler TEACHER OF MEN

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    does it do it when cold or all the time.
     
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  6. Cory wood

    Cory wood Medium Load Member

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    Nov 7, 2015
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    Check your filter and air Inlet on back of Trans, pull the cap off and there's a filter In there that needs to be cleaned. I usually fill with a little atf and put cap back on and cycle a few times. This filter housing is also a regulator that cuts air down to 60psi to operate the tranny, that's probably the whole issue.
     
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  7. k whopper

    k whopper Light Load Member

    100
    13
    Sep 9, 2011
    milledgeville ga
    0
    all the time but I have not really ran it
     
  8. k whopper

    k whopper Light Load Member

    100
    13
    Sep 9, 2011
    milledgeville ga
    0
    will try this today it seems like an air issue the guy I got the trans from had it rebuilt and ran it for 3 months and he found a deal on an 18 speed so that's how I got the 13 its been sitting in the corner of the shop around 2 months
     
  9. Superhauler

    Superhauler TEACHER OF MEN

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    well like the other post mentioned or there could be some grease leaking in past the o-ring in the splitter letting it drag a little more than usual.
     
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