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Leaking In Rear Differential?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Zdosse935, Nov 29, 2024.

  1. Nov 29, 2024 at 2:41 PM
    #1
    Zdosse935

    #1
    Zdosse935 [OP] Well-Known Member

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    Hey guys,


    I just recently discovered there was a leak near the rear differential. Where should I start? 2007 Tacoma V6 PreRunner.

    Thank you guys

    IMG_2975.jpg

    IMG_2976.jpg

    IMG_3005.jpg

    IMG_3004.jpg
     
    Zdosse935, Nov 29, 2024
    #1
  2. Nov 29, 2024 at 2:53 PM
    #2
    gotoman1969

    #2
    gotoman1969 Well-Known Member

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    Replace the 3rd member gasket.
     
    gotoman1969, Nov 29, 2024
    #2
  3. Nov 29, 2024 at 6:44 PM
    #3
    ZColorado

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    ZColorado Well-Known Member

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    Make sure bolts are tight. As long as it's not leaving a mark on the ground i'd send it for a few years before I change anything.

    and i'd not use a paper gasket, that's convenient for assembly. Use RTV like ultra black or ultra grey or the proper FIPG.
     
    ZColorado, Nov 29, 2024
    #3
    Zdosse935[OP] likes this.
  4. Nov 29, 2024 at 7:18 PM
    #4
    XSplicer62

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    XSplicer62 Well-Known Member

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    Last edited: Nov 29, 2024
    XSplicer62, Nov 29, 2024
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    Zdosse935[OP] and ZColorado like this.
  5. Dec 1, 2024 at 8:17 PM
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    Zdosse935

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    Zdosse935 [OP] Well-Known Member

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    What is the 3rd member gasket? any pictures for better illustration?
     
    Zdosse935, Dec 1, 2024
    #5
  6. Dec 1, 2024 at 8:17 PM
    #6
    Zdosse935

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    Zdosse935 [OP] Well-Known Member

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    Thank you for the input guys. One more question, since this is a big job and I have to take out the drive shaft away from the differential to work with. While I'm there, I'm planning to replace the rear differential pinion seal gasket. Does anybody have the OEM part number for the Tacoma Gen 2 V6 PreRunner?
     
    Zdosse935, Dec 1, 2024
    #6
  7. Dec 1, 2024 at 8:45 PM
    #7
    DesertRatliff

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    DesertRatliff Well-Known Member

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    Pinion seal (41201C in the diagram) PN: 90311-44007 but you will need to set pinion lash correctly to accomplish this without doing more harm than good. Either an ain't broke, don't fix it scenario or is one thing you should leave up to a pro gear shop.
    [​IMG]
     
    DesertRatliff, Dec 1, 2024
    #7
    ZColorado and Why I oughta... like this.
  8. Dec 1, 2024 at 9:12 PM
    #8
    anthony250f

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    anthony250f Well-Known Member

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    Pinion seal is def something I WOULDNT replace just because. I have 250 something thousand miles and never had a leak from the pinion seal
     
    anthony250f, Dec 1, 2024
    #8
    mfondren, DesertRatliff, Why I oughta... and 1 other person like this.
  9. Dec 1, 2024 at 9:23 PM
    #9
    Ricardo13x

    #9
    Ricardo13x YT: @UrbanOpsOffRoad IG: @urban.ops.offroad

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    Random stuff. Oh! and converted to non ADD 4x4.
    Plus if you have not previously installed a solid spacer then a new crush sleeve an all that non sense is will be required. Cheers!
     
    Last edited: Dec 1, 2024
    Ricardo13x, Dec 1, 2024
    #9
    ZColorado and anthony250f[QUOTED] like this.
  10. Dec 2, 2024 at 6:33 AM
    #10
    ZColorado

    #10
    ZColorado Well-Known Member

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    Pinion seal is not the easiest shade tree job as the others have said. it's not that replacing it is hard, it's setting up the preload after the fact.

    you have to completely disassemble the brakes for this job. a "while you are in there" sort of task is to replace all the brake drum hardware and shoes. There are a couple inexpensive tools that make that job a lot easier, but it's still frustrating.
     
    ZColorado, Dec 2, 2024
    #10

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