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Rear diff breather mod

Discussion in '2nd Gen. Tacomas (2005-2015)' started by ross123, Nov 28, 2010.

  1. Nov 28, 2010 at 10:45 AM
    #1
    ross123

    ross123 [OP] Well-Known Member

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    fort bragg
    Is the rear diff breather mod really needed? Or is it one of those things ppl do just in case?
     
  2. Nov 28, 2010 at 10:47 AM
    #2
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    Define "needed"? If you regularly cross water, I would say it's absolutely necessary.
     
    Codyfish likes this.
  3. Nov 28, 2010 at 10:49 AM
    #3
    ross123

    ross123 [OP] Well-Known Member

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    Ok that's really all I was looking for.
     
  4. Nov 28, 2010 at 10:49 AM
    #4
    06RedComa

    06RedComa Yotas For Life!

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    It is only needed if you plan on submerging your rear diff in water. If you dont plan on taking it through water and mud you should be good leaving it where it is now.
     
  5. Nov 28, 2010 at 10:52 AM
    #5
    DueNorth

    DueNorth Well-Known Member

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    Like Jandrews said, its only needed if you plan on crossing water up to your axles, if its just small puddles don't even worry about it.

    If you plan on offroading, you may as well just do it because chances are your going to cross some deeper water at some point in your travels.
     
  6. Nov 28, 2010 at 10:54 AM
    #6
    JLink

    JLink Well-Known Member

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    for well under $20 i say do it anyway just incase
     
  7. Nov 28, 2010 at 10:57 AM
    #7
    06RedComa

    06RedComa Yotas For Life!

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    x2 and the mod is super easy
     
  8. Nov 28, 2010 at 10:58 AM
    #8
    ross123

    ross123 [OP] Well-Known Member

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    Yeah I have all the materials. I was just putting it off until I got my lift done so I didn't have to buy a new hose if its not long enough but I think I'll just do it. Thx guys
     
  9. Nov 28, 2010 at 11:05 AM
    #9
    OffroadToy

    OffroadToy This ain't Dodge City, and you ain't Bill Hickok

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    It's also a good mod for backing down boat ramps.
     
  10. Nov 28, 2010 at 12:06 PM
    #10
    08TacoTrD

    08TacoTrD Well-Known Member

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    ^What he said. Some lakes I have to drive completely in the water to get my tin can off the trailer. Peace of mind is worth the 20mins this takes.
     
  11. Jan 17, 2011 at 1:05 PM
    #11
    bowhunter11199

    bowhunter11199 Well-Known Member

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    so whats needed to do this mod?
     
  12. Jan 17, 2011 at 1:07 PM
    #12
    Hoyal

    Hoyal Whiskey bent and hell bound.

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    Its a 2nd gen thing as far as I know.
     
  13. Dec 15, 2011 at 7:05 PM
    #13
    comajoe

    comajoe Well-Known Member

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    its an ALL gen
     
  14. Dec 15, 2011 at 7:30 PM
    #14
    400lbGorilla

    400lbGorilla ^Son of a hamster, I smell of elderberries.

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    It's under Mods & Tutorials at the top, 2nd gen how to's, diff breather mod for dummies.
     
  15. Dec 15, 2011 at 10:09 PM
    #15
    David K

    David K Well-Known Member

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    Differential Breather Mod Light Bar: 2 Hella 4000 HID, 1 Cibie Halogen. Bilstein 5100s Ride Rite Air Bags
    Click on My Diff. Breather Mod. Pics link, below... I made it as easy as pie with photos and details...

    For the OP, if you drive a HOT differential into water that is close to a foot or more deep, the water (usually muddy) can and will siphon into the differential oil by way of the AXLE SEALS.

    The stock 'breather' is really only an exhaust valve to let hot gasses out of the diff. When you dip into cool water there is negative air pressue (a vacuum) inside the diff... and to break that vacuum, air or muddy water will try and get in, as it should.

    The FRONT breather (4WD) has a proper 2 way breather (lets hot gasses out as well as cool air in to break the vacuum). That breather is located at the end of a rubber tube, high up, near the fuse box.

    The mod. does the same thing for the REAR diff... We put the 2 way breather at the end of a tube, high up.... It is easy. See my pics...
     
  16. Jan 20, 2015 at 10:00 AM
    #16
    TAC1

    TAC1 Well-Known Member

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    FRONT: OEM PreRunner coils, 5100's @ .85, MaxTrac Spindles, 1/4" Taco lean spacer. ground to fender base: LF & RF: 40"'s hub to fender base::::: LF & RF: 25"'s REAR: 2012 OEM 3/1 leafs, Wheelers 3 leaf AAL, 2" Tapered steel block. Bilstein F4-BE5-B110-T5 ground to fender base: LR & RR: 41"'s hub to fender base::::: LR & RR: 26"'s All mud flaps trimmed 4"'s shorter.
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