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open diff gearing question.

Discussion in 'Technical Chat' started by Matic, Jul 29, 2010.

  1. Jul 29, 2010 at 5:02 AM
    #1
    Matic

    Matic [OP] Locked and Lifted "02" DC TRD.

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    Rich
    Greenville,sc
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    OME 881 coils with OME nitrochargers shocks up front. OME aal with OME nitrochargers out back. Warn 8000 winch with 80ft custom braided synth line. Custom 60ft synth extension. All pro tube bumper, Hi-lift jack, Safari Snorkel, Wilco tiregate.
    So last nite I was trying to verify that I have 4.56 gears in my open diff, even though I already checked the door code, I was curious anyway.
    I wasn't quite sure how to do it and eventually figured it out. (was only turning the wheel 1 full revolution and initially had both wheels in the air).
    Initially I jacked up at the rear diff and raised both rear wheels off of the ground and proceeded to turn the wheel 1 revolution. Naturally the other wheel turned in the opposite direction.
    What i then realized was that I had never taken the transmission out of park.
    Is this normal for open diff carriers?
    Is it because there is no resistance on the wheels?

    I would think that if the vehicle was in park that the transmission would be locked preventing the rear wheels from turning at all.

    Thanks in advance.
     
  2. Jul 29, 2010 at 5:25 AM
    #2
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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  3. Jul 29, 2010 at 5:42 AM
    #3
    Matic

    Matic [OP] Locked and Lifted "02" DC TRD.

    Joined:
    Sep 8, 2009
    Member:
    #22436
    Messages:
    9,109
    Gender:
    Male
    First Name:
    Rich
    Greenville,sc
    Vehicle:
    2002 TRD prerunner,SR5, doublecab
    OME 881 coils with OME nitrochargers shocks up front. OME aal with OME nitrochargers out back. Warn 8000 winch with 80ft custom braided synth line. Custom 60ft synth extension. All pro tube bumper, Hi-lift jack, Safari Snorkel, Wilco tiregate.
    eh...I cant remember. I was to concerned with why the tires were spinning at all.

    Come to think of it, I dont think it was. That was what made me think about what gear selection I was in. Then when my buddy looked to see he was like "wth", it's in park.
     
  4. Jul 29, 2010 at 5:46 AM
    #4
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

    Joined:
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    Messages:
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    Gender:
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    Ben
    Beech Creek
    Vehicle:
    05 Tundra SR5, 88 SR5 PU, 98 TRD OR (CRUSHED)
    5100's all on fours
    The drive shaft probably wasn't if it was in park. The tires will still spin because there is no load (truck weight + friction) against them.
     
  5. Jul 29, 2010 at 5:51 AM
    #5
    Matic

    Matic [OP] Locked and Lifted "02" DC TRD.

    Joined:
    Sep 8, 2009
    Member:
    #22436
    Messages:
    9,109
    Gender:
    Male
    First Name:
    Rich
    Greenville,sc
    Vehicle:
    2002 TRD prerunner,SR5, doublecab
    OME 881 coils with OME nitrochargers shocks up front. OME aal with OME nitrochargers out back. Warn 8000 winch with 80ft custom braided synth line. Custom 60ft synth extension. All pro tube bumper, Hi-lift jack, Safari Snorkel, Wilco tiregate.
    Thats what I figured. Thx :)
     
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