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how far should i put axle seal in???

Discussion in '1st Gen. Tacomas (1995-2004)' started by houndsmen, Aug 21, 2011.

  1. Aug 21, 2011 at 9:00 AM
    #1
    houndsmen

    houndsmen [OP] Well-Known Member

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    So many of you probably know I have been having problems with the front diff leaking on the pass side. On my 01 Tacoma it has like a groove where the axle seal should stop? Well I was reading and it says not to put the seal in that far??? Is this true how far should i put the seal in? I have put two seals in and they are still leaking....Thank you
     
  2. Aug 21, 2011 at 3:04 PM
    #2
    G scott04

    G scott04 ...

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    Sub'd! where did you get the seals I will be replacing some soon :thumbsup:
     
  3. Aug 21, 2011 at 3:55 PM
    #3
    skytower

    skytower Well-Known Member

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    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    Is the seal leaking on the housing side or the seal side?
    If there is a groove on the axle from the old seal, the new one won't work. You'll either need a new axle or have the old one sleeved. Lube the seal during installation and protect the seal by putting a thin sheet of mylar on the axle's sharp points.
    If the housing side of the seal is leaking, you need to make sure there are no imperfections or crud on either the seal or housing before putting in the new seal. They go into the housing dry and flush with the edge of the housing.
     
  4. Aug 21, 2011 at 4:12 PM
    #4
    Rebel Taco 22

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    I put mine in worng the first time so it started leaking shortly after.

    This time I put the seal on the axle and then popped the axle in, worked great so far. That is how I will do it for now on.
     
  5. Aug 21, 2011 at 7:51 PM
    #5
    houndsmen

    houndsmen [OP] Well-Known Member

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    G Scott i got them at my toyota dealer...

    There is like a grove on the diff part like that extension part that comes from the pumpkin itself. but i pounded the seal in till it wouldnt go any further?? dont know if i put it in too far? i am going to put a new seal on tomorrow but i am going to try to pound it in with a piece of 2x4 (block)... or put it on the axle also! so should i keep it flush with the housing vs putting it all the way in till it doesnt go anymore? what do you guys suggest
     
  6. Aug 21, 2011 at 7:58 PM
    #6
    jberry813

    jberry813 The Mad Scientist

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    Don't use a piece of wood, and don't use the axle, and don't hammer it in all the way. You are supposed to use a SST, but you don't need it. Run down to home depot and pick up a piece of PVC pipe that is big enough to fit over the lip of the seal. TAP the seal in a circular motion so the seal goes in evenly.

    As for depth, this is covered in the FSM.

    http://www.ncttora.com/fsm/2003/Repair_Manual/03tacoma/sa/fdc4wd/reas.pdf

    Step 17
    Oil seal drive in depth: 4.5 ± 0.3 mm (0.177 ± 0.012 in.)
     
  7. Aug 22, 2011 at 1:58 PM
    #7
    houndsmen

    houndsmen [OP] Well-Known Member

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    So should the piece of pvc fit right around the rim of the seal like the copper piece?
     
  8. Aug 22, 2011 at 2:01 PM
    #8
    jberry813

    jberry813 The Mad Scientist

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    I just used the biggest piece I could find that was smaller than the outside diameter of the seal. Maybe 2.5"? I just used what I found in my garage bucket-o-shit
     
  9. Aug 22, 2011 at 2:04 PM
    #9
    houndsmen

    houndsmen [OP] Well-Known Member

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    haha ok.... so i read how to far to put it in... i am assuming that the seal should be flush correct? with the diff housing.
     
  10. Aug 22, 2011 at 2:06 PM
    #10
    jberry813

    jberry813 The Mad Scientist

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    No. Not flush. It should be tapped in where the outside of the seal is 4.5 ± 0.3 mm (0.177 ± 0.012 in.) deep from flush.
     
  11. Aug 22, 2011 at 2:26 PM
    #11
    houndsmen

    houndsmen [OP] Well-Known Member

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    oh ok... sounds good. so i should tap it in and messure then with a set of calipers
     
  12. Aug 22, 2011 at 2:31 PM
    #12
    jberry813

    jberry813 The Mad Scientist

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    Too difficult to get calipers in there. I measured on a toothpick with calipers and made a mark at the proper depth. Then just used the toothpick to check depth.

    Okie ingenuity :eek:
     
  13. Aug 22, 2011 at 6:34 PM
    #13
    houndsmen

    houndsmen [OP] Well-Known Member

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    haha that'll work. i just tore it all apart but they sold me the driver side seal so it was too small... so i will have to wait till tomorrow to get the right one... so when i put the pvc pipe do i just go clock wise tapping it in with a hammer?
     
  14. Aug 22, 2011 at 7:19 PM
    #14
    Rebel Taco 22

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    my way is easiest :p
     
  15. Aug 22, 2011 at 7:32 PM
    #15
    jberry813

    jberry813 The Mad Scientist

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    Doesn't matter which way as long as it goes in evenly.

    Perhaps. But I'd never drive my truck knowing it was installed that way. :rolleyes:
     
  16. Aug 22, 2011 at 7:45 PM
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    Rebel Taco 22

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    Why is that? The seal seated itself when the axle went in. So you know it didnt go in to far. I dont see a problem with it but perhaps you can prove me wrong. I know of other people who do it that way and they dont have any problems either. It has worked for 2k miles....
     
  17. Aug 22, 2011 at 8:12 PM
    #17
    jberry813

    jberry813 The Mad Scientist

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    Mostly cause I'm retardedly OCD.

    There's no doubt in my mind that the seal seated, but there's no way it went to the correct depth (it would not go in deep enough). OP is doing the passenger side, which I'm intimately familiar with. By using the axle to push in the seal, you will actually be compressing the lip that surrounds the axle when pressing in the seal. It's rubber, so its malable, but the potential for ripping or damaging that part (which incidentally is the part that always ends up tearing and leaking) is high. Also, the problem with the seal not inserted all the way is that lip can rub on the inboard part of the axle (instead of just the axle shaft) and can wear prematurly.

    I'm not saying your method doesn't work, cause clearly it has for 2000 miles. For my truck however, and what I recommend to other members, I'll stick to my pvc pipe method.
     
  18. Aug 23, 2011 at 2:30 PM
    #18
    houndsmen

    houndsmen [OP] Well-Known Member

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    One last question for you bud... Should i get a long piece of pvc pipe or a short one?
     
  19. Aug 23, 2011 at 2:32 PM
    #19
    jberry813

    jberry813 The Mad Scientist

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    Whatever is easiest for you to tap with a hammer. :D
    I think mine was like 2' long.
     
  20. Aug 23, 2011 at 3:32 PM
    #20
    Rebel Taco 22

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    I understand, when my next one goes bad, and I have time, I will do it this way.
     
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