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How To Trouble Shoot 4x4 Actuator

Discussion in '2nd Gen. Tacomas (2005-2015)' started by blackhawke88, Feb 15, 2013.

Page 2 of 46
  1. Apr 2, 2013 at 10:25 PM
    #21
    blackhawke88

    #21
    blackhawke88 [OP] wo ai ni bao bei ^_^

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    Didnt lose any oil. 6 philips screws to pop off the face of the actuator. Dont even need to remove the front diff, just loosen the bolts and tilt down.
     
    blackhawke88, Apr 2, 2013
    #21
  2. Apr 2, 2013 at 10:43 PM
    #22
    joesmith

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    joesmith Well-Known Member

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    Cool! I am going to try and diagnose my 4x4, I think the actuator is broken.

    For the longest time it wouldn't switch from 2WD into 4WD, now its stuck in 4WD and the light is blinking. I don't want to drive it around much until I get it fixed, especially since all the snow and ice is melting and I will be driving on pavement.
     
    joesmith, Apr 2, 2013
    #22
  3. Apr 3, 2013 at 9:14 AM
    #23
    joesmith

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    joesmith Well-Known Member

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    It's in 4WD, I can feel the wheels bind when I make a sharp turn.
     
    joesmith, Apr 3, 2013
    #23
  4. Apr 4, 2013 at 12:17 AM
    #24
    qnyla

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    qnyla Well-Known Member

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    I wish I had known this when mine went out last year. Thanks for this info!
     
    qnyla, Apr 4, 2013
    #24
  5. Apr 4, 2013 at 5:31 AM
    #25
    moondeath

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    moondeath Well-Known Member

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    Maybe we'll get lucky and the next tacoma will go back to a manual transfer case.
     
    moondeath, Apr 4, 2013
    #25
  6. Jun 10, 2013 at 1:45 PM
    #26
    Manwithoutaplan

    #26
    Manwithoutaplan the full Monty

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    Manwithoutaplan, Jun 10, 2013
    #26
  7. Jun 23, 2013 at 5:08 PM
    #27
    Bearcoatoffroad

    #27
    Bearcoatoffroad Well-Known Member

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    Whoever else does this, you have to pull the front diff way down to get the top actuator bolts out, when you do this it is likely going to disconnect the diff breather hose.

    LOOK for it on reassembly!

    It is hard to see and real hard to reconnect. A steel tube exits the top of the diff, then there is a 3-4 inch long section of rubber hose directly above the actuator, then another steel tube. All the prying down of the diff pulls on the vent and can unplug the rubber from the second steel tube, did not seem to have any clamps on it.

    Also, keep an eye on the CV boots, they will contact the front LCA bolts and can damage them.

    My ADD actuator had about a cup of water in it, half submersing the motor and entirely the micro switch. A good cleaning with alcohol, then WD-40 seemed to get it working again.

    Test the motor with alligator clips and a battery (I used a dewalt drill battery). Two pinouts on closest to the motor are for the motor, you can also test the connections at the motor this way.
     
    Bearcoatoffroad, Jun 23, 2013
    #27
    GilbertOz, Marc70, dborrer and 2 others like this.
  8. Jul 3, 2013 at 6:11 PM
    #28
    farminfireman

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    farminfireman Active Member

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    Could this be why my 4wd lo dont work
     
    farminfireman, Jul 3, 2013
    #28
  9. Jul 3, 2013 at 6:14 PM
    #29
    blackhawke88

    #29
    blackhawke88 [OP] wo ai ni bao bei ^_^

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    ^ dunno, do a continuity test
     
    blackhawke88, Jul 3, 2013
    #29
  10. Jul 3, 2013 at 9:09 PM
    #30
    farminfireman

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    farminfireman Active Member

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    ^ can you tell me how to do that please
     
    farminfireman, Jul 3, 2013
    #30
  11. Jul 3, 2013 at 9:38 PM
    #31
    Sandman614

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    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    Lick your fingers and touch them to both leads ;-)

    Seriously you don't sound like you need to open anything.
     
    Sandman614, Jul 3, 2013
    #31
    sloth671 and BMOC like this.
  12. Jul 26, 2013 at 8:41 AM
    #32
    Sje1124

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    Sje1124 Well-Known Member

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    Sub'd, will be doing this tonight
     
    Sje1124, Jul 26, 2013
    #32
  13. Jul 26, 2013 at 9:41 AM
    #33
    allmotorrex

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    allmotorrex Grove St. Fab

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    Do you have a multimeter?
     
    allmotorrex, Jul 26, 2013
    #33
  14. Jul 26, 2013 at 9:44 AM
    #34
    Sandman614

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    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    He has 8 posts and doesn't know how to do a Cont. test.


    [​IMG]
     
    Sandman614, Jul 26, 2013
    #34
    unstpible and fuzz26 like this.
  15. Jul 26, 2013 at 1:30 PM
    #35
    LowerBost

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    I'll have to keep this thread in mind. Had an issue with mine last winter. It wouldn't come out of 4WD. Took it to my dealer and said it was $1300 to get the actuator replaced and that if I put it in 4WD again they will not be able to remove it and MUST replace the actuator. Them jags think I'm stupid or something?... Took it to another dealer and they said nothing was wrong with it at all...Just waiting for it to go again... Great write up!
     
    LowerBost, Jul 26, 2013
    #35
  16. Jul 26, 2013 at 3:20 PM
    #36
    allmotorrex

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    allmotorrex Grove St. Fab

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    Haha aight ill be quiet .......
     
    allmotorrex, Jul 26, 2013
    #36
  17. Jul 26, 2013 at 4:07 PM
    #37
    TheGoat

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    TheGoat Well-Known Member

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    WTF? How the hell does an engineer say: "this motor will make or break the 4wd system. No need to actually connect it to power, just make sure the leads touch the source enough to get it working." really WTF?
     
    TheGoat, Jul 26, 2013
    #37
    daytrader2 likes this.
  18. Jul 26, 2013 at 5:53 PM
    #38
    Sje1124

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    Sje1124 Well-Known Member

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    Did anyone have trouble getting the screws out?
     
    Sje1124, Jul 26, 2013
    #38
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  19. Jul 26, 2013 at 6:10 PM
    #39
    Bearcoatoffroad

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    Bearcoatoffroad Well-Known Member

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    Top passenger side needed a 1/4" drive extension with a u-joint. I may have used a few select profanities during the removal of the ADD.
     
    Bearcoatoffroad, Jul 26, 2013
    #39
    dborrer likes this.
  20. Jul 26, 2013 at 6:31 PM
    #40
    Sje1124

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    Sje1124 Well-Known Member

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    Just got mine apart

    e7e4uquz_04c610b6f1a3d16601b482035f26cda79d8de414.jpg
     
    Last edited: Jul 26, 2013
    Sje1124, Jul 26, 2013
    #40
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