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ECGS Bushing Problem or is it . . .

Discussion in '2nd Gen. Tacomas (2005-2015)' started by No Shoes Nation, Dec 6, 2024.

  1. Dec 6, 2024 at 12:20 PM
    #1
    No Shoes Nation

    No Shoes Nation [OP] Well-Known Member

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    Hmm . . . none as yet, that's why i'm here . . .
    upload_2024-12-6_15-12-46.png

    upload_2024-12-6_15-12-46.png
    First, I don't know how to load a video clip.
    Hope this is not too big.
    2008 Access cab V6 automatic 4WD.
    In the image you can see that the oil is seeping out between the outer part of the ECGS bushing and the housing, is this normal.
    My problem is with new bushing and new oil seal, oil is leaking out to the seal and being thrown around with the rotation of the axle. Causing the diff and surrounding area to be covered in oil, not to mention I'm losing oil and thats my problem.
    Is it normal for oil to seep between the outer of the busing and the housing?
    Thanks for looking.
     
  2. Dec 6, 2024 at 12:41 PM
    #2
    545

    545 Well-Known Member

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    The oil seal is what keeps the oil in
    Replace it
     
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  3. Dec 6, 2024 at 12:58 PM
    #3
    No Shoes Nation

    No Shoes Nation [OP] Well-Known Member

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    Hmm . . . none as yet, that's why i'm here . . .
    so maybe i set the new seal too deep?
     
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  4. Dec 6, 2024 at 1:01 PM
    #4
    545

    545 Well-Known Member

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    New seal? It’s a rusty mess
     
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  5. Dec 6, 2024 at 1:08 PM
    #5
    No Shoes Nation

    No Shoes Nation [OP] Well-Known Member

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    Hmm . . . none as yet, that's why i'm here . . .
    it is a new seal
    The pic i posted has no seal in it.
     
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  6. Dec 6, 2024 at 1:33 PM
    #6
    hoffengineering

    hoffengineering Well-Known Member

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    Is it possible that either the seal or the mating surface on the diff housing were damaged on install of the seal or bushing?
     
  7. Dec 6, 2024 at 1:36 PM
    #7
    No Shoes Nation

    No Shoes Nation [OP] Well-Known Member

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    Hmm . . . none as yet, that's why i'm here . . .
    it is possible seal got damaged on install
     
  8. Dec 6, 2024 at 1:57 PM
    #8
    winkel

    winkel Well-Known Member

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    Or, when you were removing the old seal, did you score the inner circumference of the surface in which the seal seats?
    Try another seal and keep doing it until it stops leaking.
    Don't forget to smear a little lube on the seal rubbing surfaces.
     
  9. Dec 6, 2024 at 2:12 PM
    #9
    No Shoes Nation

    No Shoes Nation [OP] Well-Known Member

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    Hmm . . . none as yet, that's why i'm here . . .
    picking up a couple of OEM seals tomorrow
     
    winkel likes this.
  10. Dec 6, 2024 at 2:46 PM
    #10
    545

    545 Well-Known Member

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    then you’ve broken the seal in half

    this is what it looks like when the seal is removed
    IMG-1623_e9055fb32b134fe3cf8ae321f8f5f2fdc7326830.jpg
     
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  11. Dec 7, 2024 at 4:55 AM
    #11
    No Shoes Nation

    No Shoes Nation [OP] Well-Known Member

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    Hmm . . . none as yet, that's why i'm here . . .
    545 - you're showing the passenger side I'm working the drivers side. but thanks.
    And thinking over night my original question is still out there.
    Oil is seeping under the new ECGS bushing.
    Waiting to talk with ECGS guys.
     
  12. Dec 7, 2024 at 5:18 AM
    #12
    DesertRatliff

    DesertRatliff Well-Known Member

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    As someone said, the driver and passenger seal keeps the oil in your diff. If it's leaking, either the seal was damaged on installation, the diff housing was scored/damaged enough for oil to leak past or the seal wasn't driven to the right depth.

    Try a new seal and make sure to drive it in straight and to the correct depth (I've seated a few now a freckle deeper than flush with the housing with good results).

    [​IMG]
     
  13. Dec 7, 2024 at 5:28 AM
    #13
    No Shoes Nation

    No Shoes Nation [OP] Well-Known Member

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    Hmm . . . none as yet, that's why i'm here . . .
    I fully understand that the seal keeps the oil in the diff.
    As observed when pulling the axle out of the diff some oil will run out but comes OVER the bearing (needle or ECGS) so when the axle is pushed back into the diff there is very little room for oil to run out and any that does is kept in by the oil seal.
    My problem and question is - oil is seeping out between the outer part of the ECGS bushing and the diff casting it sits in. So oil has more chance to come out.
     
  14. Dec 7, 2024 at 5:48 AM
    #14
    DesertRatliff

    DesertRatliff Well-Known Member

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    The bushing is not an oil seal. Oil will seep past the bushing. It's a properly seated seal that keeps oil in the diff. Nothing more to it than that.
     
  15. Dec 7, 2024 at 10:09 AM
    #15
    No Shoes Nation

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    Hmm . . . none as yet, that's why i'm here . . .
    Ohh DesertRatliff I really want to believe this and hope that is all it is. This seal is a real PITA for me. The first two I used were the OEM and fully encased in rubber and that gave me grief as I boogered the edge on both on installation allowing oil to seep past the edge of the seal. I currently have a SKF seal from NAPA in there and the edge of that is not encased in rubber. Again a bitch to get in but its in and sits good.
    I don't know, I'm guessing it must just be the depth the seal is in there. Hope to get to this next Friday to see what's what.
    Appreciate all the advice from all.
     
  16. Dec 7, 2024 at 10:16 AM
    #16
    andrewtheadventurer

    andrewtheadventurer Well-Known Member

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    A PVC cap helped me set the seal properly. I think its 3” diameter. You can tap around the cap to properly seat the seal
     
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  17. Dec 7, 2024 at 12:13 PM
    #17
    WNYTACOMA

    WNYTACOMA Well-Known Member

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    ...make sure you have it in the right way.....as in, not backward. ....I remember reading about a few others who couldn't get it to not leak, and it turned out, they had it in backwards....
     
  18. Dec 7, 2024 at 4:38 PM
    #18
    DesertRatliff

    DesertRatliff Well-Known Member

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    Just remember the ECGS bushing replaced the needle bearing, both of which are meant to receive oil to be lubricated. It's the seal that then keeps the oil in the diff. That said, the seal is sensitive to proper placement, proper depth and not damaging the seal ID when you re-insert the CV (and orientation! Sheesh! Putting in backwards is a new one to me!)
     
    Last edited: Dec 8, 2024
  19. Dec 7, 2024 at 4:49 PM
    #19
    TnShooter

    TnShooter The TacomaWorld Stray

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    If you drive the seal any further than flush, you are flirting with a leak.
    The ECGS install tool is even made in such a way, that it will only allow you to drive the seal in flush. There’s a reason “flush” is recommended. Far too many have been driven it in too far and had a leak.

    The passenger side is the one you seat deeper. Not the drivers side.
     
  20. Dec 8, 2024 at 3:43 AM
    #20
    Coopsdaddy

    Coopsdaddy Well-Known Member

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    Why not but the Ecgs tools?
     

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