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2002 Toyota Tacoma Ext. Oil Leak

Discussion in '1st Gen. Tacomas (1995-2004)' started by Tomato1981, Jun 16, 2024.

  1. Jun 16, 2024 at 10:53 AM
    #1
    Tomato1981

    Tomato1981 [OP] Well-Known Member

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    3.4L V6 oil leak. Anyone know where this is coming from? Thanks

    IMG_7046.jpg
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    IMG_7045.jpg
     
  2. Jun 16, 2024 at 11:01 AM
    #2
    TnShooter

    TnShooter The TacomaWorld Stray

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    Not a clue. But I feel safe saying it’s not originating from the Rear Marin Seal.

    You need 3 or 4 can of engine degreaser and a water hose.
    Then add some dye to the oil and come back in a couple weeks and take a look.

    FWIW, that degreaser burns like hell when you get it in your eyes and in your arm pits. I go in without a shirt. Then use dawn dish shop in the shower to “degrease” myself.
     
  3. Jun 16, 2024 at 12:56 PM
    #3
    Red_03Taco

    Red_03Taco Well-Known Member

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    I like working from the top down when chasing leaks. So starting with the highest up possible source, your valve cover gaskets, half moons, and cam plugs, I'd get a cheap inspection mirror and inspect the rear of both valve covers. If that all looks good and dry (doubt it will), then you can look at things like oil cooler, rear main as possible culprits.
     
    leid likes this.

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