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RR DIF LOCK

Discussion in 'Technical Chat' started by killrsurfr, Dec 22, 2010.

  1. Dec 22, 2010 at 9:56 PM
    #1
    killrsurfr

    killrsurfr [OP] Member

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    i have a '99 tacoma pre-runner 3.4 Liter V6 2 wheel drive that has the rear differential locker. i haven't used it in ages and when I try to engage it the light just blinks and blinks. I can't find any info on how to trouble shoot it or fix it. any advise would be appreciated..
     
  2. Dec 23, 2010 at 6:12 AM
    #2
    Southern01Taco

    Southern01Taco Well-Known Member

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    Did you try backing up and turning from side to side?
     
  3. Dec 23, 2010 at 6:22 AM
    #3
    joneill03

    joneill03 Look away, I'm hideous!

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    Not sure if the autos have to be in neutral or park when engaging the diff lock. Try both and see if either one works.
     
  4. Dec 23, 2010 at 1:40 PM
    #4
    killrsurfr

    killrsurfr [OP] Member

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    did circles at 5 mph right to left and left to right both forward and in reverse...still blinking only.

    anything else i can do? oil? lubricant? where is the RR DIFF located?
     
  5. Dec 23, 2010 at 1:42 PM
    #5
    moto932

    moto932 What's the matter, Colonel Sandurz? CHICKEN?

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    are you in 4lo because you have to be in 4lo, unless you've done they grey wire mod, to engage the rear locker.
     
  6. Dec 23, 2010 at 1:55 PM
    #6
    killrsurfr

    killrsurfr [OP] Member

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    i have the automatic trans.

    There used to be a label / sticket on the driver side door with full instructions. any body have a 99 taco that still has that (mine peeled off years ago.)
     
  7. Dec 23, 2010 at 1:56 PM
    #7
    tigerfan00

    tigerfan00 BECAUSE INTERNETS!! Staff Member

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    hard to be in 4lo if he's a prerunner
     
  8. Dec 23, 2010 at 2:02 PM
    #8
    BSPDX

    BSPDX Well-Known Member

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    Thats what I was thinking...

    OP~
    The locker is part of your rear dif... When was the last time you changed the dif fluid?? Every once in a whil I have to wait a few minutes for it to engage... when it does engage, the "RR DIF"" light will go solid and if you have ABS that light wil kick on as well... Let me run out to my truck and take a pic for you of the instructions. I'm not sure if its different for 4WD's though?!

    Here it is... Good Luck!
    [​IMG]
     
  9. Dec 23, 2010 at 2:57 PM
    #9
    killrsurfr

    killrsurfr [OP] Member

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    thank you! I am off to do circles and 3 point turns around my block. neighbors think im crazy today.
     
  10. Dec 23, 2010 at 3:19 PM
    #10
    Max-4_Yota

    Max-4_Yota The Welfare Cadilac

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    I would try and keep it off the pavement if you can.
     
  11. Dec 23, 2010 at 4:22 PM
    #11
    moto932

    moto932 What's the matter, Colonel Sandurz? CHICKEN?

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    someone needs to read a little slower so they pick up all the details.

    :anonymous:
     
  12. Dec 24, 2010 at 11:41 PM
    #12
    killrsurfr

    killrsurfr [OP] Member

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    [The locker is part of your rear dif... When was the last time you changed the dif fluid??


    I'm not sure when the last time it was changed out? Mabe during the last big service I had done?? I DIY now though ;) and I want to learn. Is changing out RR DIF fluid sometime a rookie can do?
     
  13. Dec 25, 2010 at 11:49 AM
    #13
    killrsurfr

    killrsurfr [OP] Member

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  14. Dec 25, 2010 at 12:26 PM
    #14
    arrowthrower

    arrowthrower Well-Known Member

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    Great Video!!
     
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