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CAM SHAFT TOWER SEAL LEAKING ** PLEASE READ***

Discussion in '3rd Gen Tundras (2014+)' started by jacob.jons.jj, Jan 5, 2018.

  1. Aug 13, 2020 at 8:45 PM
    #2401
    empty_lord

    empty_lord They see me rollin'

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    All modern engines seem to be more prone the leaking (partly because of water for oil, 0W-20), hell some new chevies don’t roll off the showroom floor without leaking rear mains.
     
    jordoncloutier likes this.
  2. Sep 2, 2020 at 7:55 PM
    #2402
    tundra4466

    tundra4466 New Member

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    So my ‘11 has had a slight weep for a while but never bad enough to be concerned about. Recently I started leaking and leaving stains in the driveway and would swear it was the rear main untilI noticed an oil drop forming above my header today. I can’t see it running down the motor anywhere but that doesn’t mean it’s not happening. Have you guys ever noticed the oil from the cam tower leak collecting on the bellhousing and dripping onto the crossmember?
    Thanks
     
  3. Sep 2, 2020 at 8:07 PM
    #2403
    empty_lord

    empty_lord They see me rollin'

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    Usually not. I’ve seen the valve covers do this though. Best thing to do is buy some good degreaser, clean the engine off REALLY WELL and let it run while watching if it’s leaking that bad. If not monitor it once a day or week to see where it originates from.
     
    equin likes this.
  4. Sep 2, 2020 at 8:35 PM
    #2404
    tundra4466

    tundra4466 New Member

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    Thanks. I’ve been degreasing it for a week and still don’t see it draining. I’m assuming they’re both leaking at this point but I’ll have to tear it apart this weekend to know for sure. But on a positive note besides the sun beating up the paint I haven’t had a single issue with it until now at 152k miles so I can’t complain much.
     
  5. Sep 20, 2020 at 4:56 PM
    #2405
    Avi8or

    Avi8or New Member

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    Why TF isn’t Toyota using the black sealant to assemble these?
     
  6. Sep 20, 2020 at 4:59 PM
    #2406
    empty_lord

    empty_lord They see me rollin'

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    toyota always has used the grey stuff from the factory. black is what we get at the dealer. its identical other than the color. difference is dealer we probably put it on a bit thicker than a robot does
     
    TheBeast and Cpl_Punishment like this.
  7. Sep 20, 2020 at 6:52 PM
    #2407
    Avi8or

    Avi8or New Member

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    Alright. Well, maybe the leaking is just inherent to the design and doesn’t matter what sealant?

    Otherwise I would assume the robot using more sealant would surely be less expensive than warranty repairs.

    Maybe leaks aren’t all that common even if it seems that way on a forum.
     

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