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Rear Diff type?

Discussion in '1st Gen. Tacomas (1995-2004)' started by se7en_factors, Jul 21, 2009.

  1. Jul 21, 2009 at 10:52 PM
    #1
    se7en_factors

    se7en_factors [OP] Mac Dad Junk Removal (1st business)

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    Nomad Raider cap for pooch, Yoko racks, KN filt, AMSoil fluids, 265's for rubber, plastic bedliner, bug guard, grill mesh, class III hidden hitch, stock everything else (sigh).
    Is it a LSD, electronic, or regular/normal rear diff on the 2004 quadcab? Any takers?

    I want to change the juice but not sure if I should use the 75-90 or 80-90.

    Thanks eh?
     
  2. Jul 22, 2009 at 4:21 AM
    #2
    Janster

    Janster Old & Forgetful

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    On the 1st gen trucks....

    TRD Offroad = locking rear diff
    Non TRD truck = OPEN diff (regular/normal)
     
  3. Jul 22, 2009 at 5:55 AM
    #3
    EnolaGaia

    EnolaGaia Well-Known Member

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    Not if it's a 4-cylinder automatic. The e-locker was not included in the TRD Off Road Package (nor was it available separately) on 4-cylinder automatics.
     
  4. Jul 22, 2009 at 8:44 AM
    #4
    mdub

    mdub Active Member

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    or you could have a 2001 4cyl manual transmission w/TRD Badges but without the Rear Diff Locker as well....

    Wish I had had the diff locker, but instead I just have an open diff.
     
  5. Jul 22, 2009 at 8:46 AM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    Either Oil will be fine.
     
  6. Jul 22, 2009 at 9:21 AM
    #6
    mdub

    mdub Active Member

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  7. Jul 27, 2009 at 8:43 AM
    #7
    se7en_factors

    se7en_factors [OP] Mac Dad Junk Removal (1st business)

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    Nomad Raider cap for pooch, Yoko racks, KN filt, AMSoil fluids, 265's for rubber, plastic bedliner, bug guard, grill mesh, class III hidden hitch, stock everything else (sigh).
    Uh...wow. Incredible insight. Thanks much gents (+ladies?).

    By pumpkin you mean the Rdif itself? A plate or sticker on it?

    S
     
  8. Jul 27, 2009 at 9:42 AM
    #8
    mdub

    mdub Active Member

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    Yup, little sticker between the fill and drain plug on the rear diff ( pumpkin ) will sometimes be there to tell you to use oil that has the LSD additive. Or use the code checker on the link I posted.

    Here is all of the numbers from the site I listed above.

    THIS CHART IS FOR '95.5-04 MODELS ONLY!
    The axle code for your rig can be found on the manufacture's sticker located on the driver's side door jamb as follows:

    First digit:

    A = 7.5" ring gear
    B = 8" ring gear
    Next two digits:

    01 = 3:42
    02 = 3:58
    03 = 4:10
    04 = 4:56
    05 = 3:15
    06 = 3:91
    07 = 4.30
    Last digit:

    A = 2 Pinion, Open
    B = 4 Pinion, Open
    C = 2 Pinion OEM Limited Slip
    some '98-00 models have shown a BO code of "???" on the door plate; so far this turns out to be a 3.91 gear ratio, at least for the 5sp. RZN171L-CRPDKAB with factory 31s/265s should be 4.56 with the AT.
     
  9. Aug 3, 2009 at 10:57 AM
    #9
    se7en_factors

    se7en_factors [OP] Mac Dad Junk Removal (1st business)

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    3.4L SR5, silver
    Nomad Raider cap for pooch, Yoko racks, KN filt, AMSoil fluids, 265's for rubber, plastic bedliner, bug guard, grill mesh, class III hidden hitch, stock everything else (sigh).
    Incredible,
    Thank you.

    S
     
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