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need front diff. anything to look for

Discussion in '4Runners' started by fouillard13, Mar 11, 2013.

  1. Mar 11, 2013 at 9:11 PM
    #1
    fouillard13

    fouillard13 [OP] Well-Known Member

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    I wrecked my 01 auto sr5 4runner front diff (a040) 4.56 gears and I need to find a used diff. Is there anything that wont work from 96-02. I know I need the same gears. I know in 01 they are electrons actuators. Is this a big deal if its vacuum? Can i switch them out?
     
  2. Mar 11, 2013 at 9:21 PM
    #2
    JWaldz

    JWaldz Gone Crawlin'

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    They're all the same I believe.. Unless you put the gears in yourself the 3rd gens either came with 4.10s or 4.30s. The diff 'tube' is where you're A.D.D. comes into play.


    check this out >>

    http://home.4x4wire.com/erik/diffs/


    btw, I actually have a gutted out front diff if you need one.
     
  3. Mar 11, 2013 at 9:32 PM
    #3
    fouillard13

    fouillard13 [OP] Well-Known Member

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    on my vin sticker it sasys (a040) and doesnt that mean i got 4.56?
     
  4. Mar 11, 2013 at 9:40 PM
    #4
    fouillard13

    fouillard13 [OP] Well-Known Member

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  5. Mar 12, 2013 at 6:08 AM
    #5
    JWaldz

    JWaldz Gone Crawlin'

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    Does yours have a 4cyl and/or manual transmission by chance?
     
  6. Mar 12, 2013 at 10:23 AM
    #6
    fouillard13

    fouillard13 [OP] Well-Known Member

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    01 auto 3.4 sr5
     
  7. Mar 12, 2013 at 10:29 AM
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    JWaldz

    JWaldz Gone Crawlin'

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    Then I doubt you have 4.56's and since you don't have an elocker I doubt you have 4.30's. Factory 4.56's were extremely rare and in 99.9% cases found in the 4cyl with manual trans setup.

    So unless you or someone prior to you put different gears in your diffs, I'm willing to bet you have 4.10's.

    Take a picture of your door jam sticker and pm it to me. I'll see what I can find out for ya. Otherwise, the best way to test your ratio, other than taking out your rear 3rd member to count teeth, is the driveshaft spin test.
     
    Last edited: Mar 12, 2013
  8. Mar 12, 2013 at 10:48 AM
    #8
    JWaldz

    JWaldz Gone Crawlin'

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  9. Mar 12, 2013 at 10:52 AM
    #9
    EL TACOROJO

    EL TACOROJO SNAPPIN NECKS AND CASHIN CHECKS.

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    i dont think it has anything to do with the gear
     
  10. Mar 12, 2013 at 1:21 PM
    #10
    fouillard13

    fouillard13 [OP] Well-Known Member

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    my code is a04a and i just found a front diff off 00 4runner sr5 with same gear witch is actually a 4.30
     
  11. Mar 12, 2013 at 2:29 PM
    #11
    downpour11

    downpour11 Well-Known Member Vendor

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    Go by the link JWaldz posted, much more accurate than the other link. The link you posted says mine are 3.58 ratio and I know for a fact that is not correct.
     
  12. Mar 12, 2013 at 3:38 PM
    #12
    fouillard13

    fouillard13 [OP] Well-Known Member

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    Yes ur right. My gears are 4.30
     
  13. Mar 12, 2013 at 8:07 PM
    #13
    JWaldz

    JWaldz Gone Crawlin'

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    I'd still want to be 100% sure before you go putting the wrong gears in. There are ways you can calculate your gear ratio or do the spin test like I said before. I wouldn't just go off of a diagram.
     
  14. Mar 12, 2013 at 10:20 PM
    #14
    fouillard13

    fouillard13 [OP] Well-Known Member

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    but both door jams are stating the same gear ratios and i know they have both not been tampered
     
  15. Mar 13, 2013 at 7:09 AM
    #15
    JWaldz

    JWaldz Gone Crawlin'

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    I just find it hard to believe your 2001 with an auto trans, no elocker, and only the sr5 package came with 4.30's. I've seen it before but it's not that common. I'm just trying to look out for you is all. Those charts aren't 100% accurate and you NEED to be 100% sure you're putting the right gears in. If you have mix-matched gears you're going to be experience more problems in the future.
     
  16. Mar 13, 2013 at 11:22 AM
    #16
    fouillard13

    fouillard13 [OP] Well-Known Member

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    yes correct. it may be different in toyota but toyota said there are only 2 gear sets available for this 4runner
     
  17. Mar 13, 2013 at 6:08 PM
    #17
    fouillard13

    fouillard13 [OP] Well-Known Member

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    Diff is good to go! elite bumper on its way. time to get drunk
     
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