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Thread: Spicer 5 speed jumping out of 4th gear

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    Spicer 5 speed jumping out of 4th gear

    Anyone with a Spicer 5 speed transmission have this problem? What is the fix?

    Mine is in a 2002 INT 4800
    The older I get, the easier the work gets. Thanks to tools.



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    And a whole lot of other rigging, ect.

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    synchro is shot. gotta pull the tranny to fix it . depending on mileage, you might as well do the clutch at the same time . 2/3 of the expense is the re and re of the tranny.

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    lxt
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    Quote Originally Posted by racnruss View Post
    Anyone with a Spicer 5 speed transmission have this problem? What is the fix?

    Mine is in a 2002 INT 4800

    that is a common problem, detent spring may be weak? remember that being replaced on my bucket truck...however was a short fix lasted a couple months, I just held it in gear after that!!!




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    I'll second that...syncro is bad.....
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    Syncro is bad. Drum might be bent... Key may be broken. Either way the trans needs rebuilt.
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    usually when a synchro goes its a PITA to get it to go in gear, didnt know that would cause shifter to pop? had a non-synchro 10 speed do the same..........? what would caused that?



    LXT...............
    AHH WHATTA RUSH

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    Sounds like the bearings are worn.
    Time for a rebuild.
    I would also have to guess that you should have a non-synchro tranny in that size truck.
    Last edited by OCTJ; 12-28-2011 at 09:34 PM.

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    gear jaming

    I would have to say worn gear face. I've driven many trucks like that. Mostly due to inexperienced drivers not knowing how to double clutch or down shift properly. Grinding the gears actually removes metal turning mating gears into cones that barely mesh so they pop out under load. Hold it as long as you can and save your milk money because it won't be cheap.

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    thanks for the replies. Not the greatest news though. Just bought the truck and didn't notice on the test drive because I wasn'
    t in 4th gear very long. Now that I'm home, 4th gear is the main gear for around town driving 25-40 mph. Goes in easy and doesn't vibrate or jump out violently, it just falls out when cruising without much load on the throttle.

    Sure wish more of these trucks had Allison autos. All the gear jamming from multiple drivers is probably hard on the manuals.

    2002 INT 4800 4x4 DT466 rear mount Altec LRV
    The older I get, the easier the work gets. Thanks to tools.



    husky 334, 335xpt, 350, 455, 394, 395xpt
    echo ppt 260 pole saw
    efco ptx 2700 pole saw
    Ditch Witch sk350 (like Toro Dingo)
    Little Helper Cart
    Bobcat 763 with grapple bucket
    Travalong Dump trailer
    Woodsman 12x
    Ford F550 4x4 chip truck
    International 4800 4x4 rear mount ALC 52
    And a whole lot of other rigging, ect.

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