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Rear Diff rusted and leaking!!!!!?????

Discussion in '1st Gen Tundras (2000-2006)' started by Hossdawson, Sep 9, 2018.

  1. Sep 9, 2018 at 12:03 PM
    #1
    Hossdawson

    Hossdawson [OP] New Member

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    Why would Toyota build something like a diff out of metal that is thin enough to rust out? I’m beginning to loose confidence in Toyota. At least they took blame for the frame rust thing....why not the thin ass cover on the rear diff? I know there is a fix for this, but it isn’t cheap. Maybe if enough people complain they will do something?
     
  2. Sep 9, 2018 at 12:04 PM
    #2
    T-Rex266

    T-Rex266 T-Rex Staff Member

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    Salt will eat anything.
     
    BTBAKER and Blueknights75 like this.
  3. Sep 9, 2018 at 12:10 PM
    #3
    Mr Badwrench

    Mr Badwrench I'm learnding.

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    This is a big problem on the Tacomas too. Crappy thing is, since the steel is so thin and oddly-contoured, you really can't weld on them. You might check for a donor.

    Post a picture, if you have one.
     
  4. Sep 9, 2018 at 12:17 PM
    #4
    Hossdawson

    Hossdawson [OP] New Member

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    How can it be that there are other vehicles out there many years older in the same area and they do not have this issue? Really seems like a design issue to me.
     
  5. Sep 10, 2018 at 7:18 AM
    #5
    Hossdawson

    Hossdawson [OP] New Member

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    I called Toyota and entered a formal complaint. The lady I spoke with said if they get enough complaints, they may do something about it. If anyone else wants to call and enter a complaint, the number is 800-331-4331.
    Hoss
     
  6. Sep 10, 2018 at 6:02 PM
    #6
    Big Paully

    Big Paully New Member

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    I cleaned and sandblasted the rusted cover, washed it with laquer thinner and applied 4 coats of POR- 15 and it's been solid for several months

    IMG_20180910_204405863.jpg
     
  7. Sep 10, 2018 at 6:05 PM
    #7
    Big Paully

    Big Paully New Member

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    Unless you are really, really good at welding steel to cast iron, don't try it. I have been in steel fabrication all of my adult life and I only knew one old timer that could do it.
     
  8. Sep 12, 2018 at 3:47 AM
    #8
    Hossdawson

    Hossdawson [OP] New Member

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    Gonna try POR 15. Ordered it yesterday. Thanks
    Hoss
     
  9. Sep 17, 2018 at 2:23 PM
    #9
    Hossdawson

    Hossdawson [OP] New Member

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    4 coats of por 15 and a coat of bed liner. We’ll see!
    Hoss
     

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