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Major OIL leak intake manifold/head gasket on 2005 5.3 Z71

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by HeavyChevyTom, Jul 22, 2012.

  1. HeavyChevyTom

    HeavyChevyTom New Member

    2005 1500 5.3 Vortec 4 Wheel Dr. Silverado Z71

    Subject:
    Major OIL leak in intake manifold/head gasket on 2005 5.3 Z71

    Oil is spraying under the intake manifold on the valley plate between the heads

    Hello,
    I posted a few times here, but nothing like this. My engine has been leaking oil for a while. Now I opened up the hood to see oil all over the top of engine. Could this be a cracked head? What are the symptoms?

    Oil in the valley leading to the intake manifold, which is also covered with oil.

    I would appreciate any replies or suggestions. Thank you.
    Last edited: Jul 23, 2012
  2. ChevyBoy2009

    ChevyBoy2009 Rockstar 4 Years 500 Posts

    Start your truck and watch under the hood to see where its coming from...could be something minor or something big...just an idea :neutral:
  3. bazar01

    bazar01 Member 2 Years 100 Posts

    I would clean it up as good as I can then watch where the oil is comg from while engine is running.
  4. ChevyBoy2009

    ChevyBoy2009 Rockstar 4 Years 500 Posts

    Thats what i meant! :great:
  5. billnorman

    billnorman Rockstar 100 Posts

    Oil runs down and back. It is leaking from the highest area that is wet. Clean and validate.

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