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Rear Differentials

Discussion in '1st Gen. Tacomas (1995-2004)' started by surfordie, Jun 13, 2010.

  1. Jun 13, 2010 at 1:04 PM
    #1
    surfordie

    surfordie [OP] Member

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    Hey, I'm new to Tacomas and I am looking for some advice on a 1999 Tacoma 3.4L V6 Automatic I am looking at. The ad says "the truck has been re-geared to 5:29 precision gears, the rear differential also has a locker on it but it needs to be connected I just have not got around to running the wires for it." What do i need to know about the rear differential not being connected? Any help would be greatly appreciated.
     
  2. Jun 13, 2010 at 1:08 PM
    #2
    EnolaGaia

    EnolaGaia Well-Known Member

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    The first thing to do is find out whether this locker is the factory locker (available with the TRD Off Road Package) or an aftermarket unit. If it's the factory unit, the next question is why it was ever disconnected.
     
  3. Jun 13, 2010 at 1:21 PM
    #3
    surfordie

    surfordie [OP] Member

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    Do you have to disconnect the rear differential to change the gears?
     
  4. Jun 13, 2010 at 3:00 PM
    #4
    surfordie

    surfordie [OP] Member

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    The guy said"There is nothing wrong with the rear diff, it was a project that I was slowly building and using as my daily driver. I swapped rear axles with another tacoma I had so that I could install the 5:29 gears and the rear locker. The locker is on the diff it is just not wired, I built the truck for surf fishing on the beach and never had trouble getting to and from my spots so I never ran the wires for the locker."
     
  5. Jun 13, 2010 at 3:58 PM
    #5
    EnolaGaia

    EnolaGaia Well-Known Member

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    There's more to the locker setup than just the locker unit in the rear axle. There are switches and wiring leading forward to the dashboard. One reason it's not connected might be that the owner failed to obtain all the other necessary pieces.

    You said it was a V6 auto. Is it a 4X4 or a PreRunner? If it's a PreRunner, it lacks the 4WD Control ECU that's central to the locker wiring scheme.

    But maybe most important of all ... There's been a major frame rust campaign for over 2 years on 1995.5 - 2000 Tacos, and this one has admittedly been to the beach a lot. Hmmmmmm ....
     
  6. Jun 13, 2010 at 4:11 PM
    #6
    surfordie

    surfordie [OP] Member

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    It is a PreRunner, so would you suggest not getting it?
     
  7. Jun 13, 2010 at 6:07 PM
    #7
    EnolaGaia

    EnolaGaia Well-Known Member

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    I don't know one way or the other ...

    All I'm saying is that you'd better be aware of two things:

    (1) You may be facing a relatively involved DIY process to get the locker working, if the locker is all that important to you. This DIY process may include locating and buying any missing electrical components at additional cost.

    (2) This is a 2000- (rust-vulnerable) Taco that's apparently spent a lot of time at the beach.

    One more thing ... If it's been regeared to a 5.29 final ratio, it's gonna cost you in fuel mileage to the extent you'd use it for on-road driving.
     
  8. Jun 13, 2010 at 6:28 PM
    #8
    surfordie

    surfordie [OP] Member

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    Ok thanks for the help im going to pass on it
     
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