99 kenworth w900 won't move unless power divider engaged.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by n1xrf, Feb 28, 2016.

  1. Bean Jr.

    Bean Jr. Road Train Member

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    Not likely. Then the power divider would be shot.
     
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  3. WitchingHour

    WitchingHour Road Train Member

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    There is one other situation where I saw a similar condition which didn't involve the differential gears being shot... when I ran a service truck, we had a driver come in (into the shop, this wasn't a road call) with the same complaint.. turns out he somehow managed to snap all the lugs on one of the axle shafts on the #2 axle, so the shaft was just spinning freely. Would love to know how he managed to do that.
     
  4. n1xrf

    n1xrf Light Load Member

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    Im hoping to get that truck into the shop this after noon and tear into it. I will gladly share what I find once I get into it.
     
  5. Zeviander

    Zeviander Road Train Member

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    That sounds about right. Earlier in the winter, we were moving trailers and trains to clear the snow and one of our drivers had this same problem (on a 04 Pete) and it had to be locked in order to move. He didn't know what he did, but my guess would be hit the switch when the wheels were spinning. I never heard what the shop found though. Probably the diff. I've seen a couple of our trucks in the shop this winter getting whole new diffs put on.

    I'm not sure what's so hard about hitting the switch at the right time.
     
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  6. AModelCat

    AModelCat Road Train Member

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    Any time I roll off the pavement onto uneven ground I lock in the inter axle. Only takes one wheel off the ground to spin you out when you're unlocked.
     
  7. n1xrf

    n1xrf Light Load Member

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    Got tore into it today finally. He spun the shaft in two. The shaft that goes from the power divider out thru the front axle and out the back to drive the rear axle. Spun it clean off. Anything else I should look at while I'm in there.
     
  8. strollinruss

    strollinruss Road Train Member

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    Well, he's not the first to do that. That thru shaft will break.
     
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  9. Brandonpdx

    Brandonpdx Road Train Member

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    Drivers will panic and hit the power divider switch too fast when they encounter a wheel-spin situation. You have to consciously train yourself not to do that because it's somewhat of a natural reflex to hit that button right away before you think twice. One of the big reasons why 6x2 setups are gaining popularity. More idiot proof.

    On another note I remember this late 60's International Cargostar garbage truck I used to occasionally drive for the furniture company I worked for in college. Somebody broke one of the floating axles one day and it quit moving for awhile. I honestly can't remember if I did that or not but I remember that think was a total death trap.
     
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