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Rear diff breather thread size ?

Discussion in '3rd Gen Tundras (2014-2021)' started by Dragracer_Art, Aug 29, 2020.

  1. Aug 29, 2020 at 7:51 AM
    #1
    Dragracer_Art

    Dragracer_Art [OP] Well armed member

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    Dawsonville, GA
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    2020 Crewmax 4x4
    3/3 lift, 18x9 Methods,35x12.5 Terra Grapplers
    Can anyone answer this so I dont have to crawl under my truck to check for myself ?
    Its raining right now and I need to see what I have laying around here that I can use.

    Thanks in advance ! :thumbsup:
     
  2. Aug 29, 2020 at 9:26 AM
    #2
    TylerDurden311

    TylerDurden311 Paper Street

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    Dragracer_Art [OP] likes this.
  3. Aug 29, 2020 at 12:35 PM
    #3
    Dragracer_Art

    Dragracer_Art [OP] Well armed member

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    2020 Crewmax 4x4
    3/3 lift, 18x9 Methods,35x12.5 Terra Grapplers
    I pulled it out and it looks like 1/8" NPT will work.
    Didnt realize this is a 1-way check valve. Lets pressure out, but no air in.
    Truck was cold when I removed it and it was still holding a vaccum in the rear diff.

    20200829_135740.jpg
     
  4. Sep 21, 2020 at 2:05 PM
    #4
    jbcrewmax

    jbcrewmax New Member

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    Did 1/8" NPT end up working? I've been trying to find the same answer
     
  5. Sep 21, 2020 at 3:18 PM
    #5
    Dragracer_Art

    Dragracer_Art [OP] Well armed member

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    3/3 lift, 18x9 Methods,35x12.5 Terra Grapplers
    pnw.tundra likes this.
  6. Sep 23, 2020 at 7:07 AM
    #6
    PaulROahu

    PaulROahu New Member

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    Kaneohe, Hawaii
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    Mounted breather on driver tail light area. Used fiber sleeve for extra protection on hose, then breather filter on top

    9473940E-96A9-4685-A510-83E1A2856493.jpg
     
    Last edited: Sep 23, 2020

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