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Intake Valve Location/questions - 2011

Discussion in 'Gen 3 Prius Technical Discussion' started by An2TheTwan, Aug 11, 2022.

  1. An2TheTwan

    An2TheTwan Junior Member

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    Where are the intake valves located in the generation 3 Prius? If these are carbon fouled/stuck/need cleaning, could that cause engine shaking? I believe I have a blown head gasket but not 100% sure because I am not getting the normal symptoms (loosing coolant/milky oil etc..)

    see my other thread for more details:

    Considering Head gasket replacement - 2011 Prius - 215k miles - P0303 misfire | PriusChat
     
    #1 An2TheTwan, Aug 11, 2022
  2. Tombukt2

    Tombukt2 Senior Member

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    Like my 2013 you may be running on three cylinders That's what happened to my 2013 and it didn't run long like that either I I stopped very quickly once it started making that racket The reciprocating mass turned and didn't hit a lot but just a little corner of the break and the rod kept smacking against the lower portion just below the girdle in the open deck assembly and when I pull the engine out I saw the break in that piece and of course I took pictures of it but that was that so there was no doing a head gasket I didn't think after the kid put the head gasket on and shouldn't have but that's another pile of mess..
     
    #2 Tombukt2, Aug 11, 2022
  3. An2TheTwan

    An2TheTwan Junior Member

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    @Tombukt2 - sorry this happened to your 2013 but trying to stay on topic here. I feel a head gasket kit is cheap enough to try and save my 2011.

    Trying to be diligent and do anything/everything that is cheap that has a small chance at fixing the problem. A lot of the things I have been trying are general maintenance that should be done anyway.

    Are the intake valves in the intake ports?
    [​IMG]
     
    #3 An2TheTwan, Aug 11, 2022
  4. StarCaller

    StarCaller Senior Member

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    If the light is right or you use a flash light you can see them through the intake ports /
    So yes, they are just behind the ports /
     
    #4 StarCaller, Aug 12, 2022
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  5. xliderider

    xliderider Senior Member

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    Here's a picture that shows where the valves are. You can see the valve stems at the back of the intake:

    20211113_152054.jpeg

    Posted via the PriusChat mobile app.
     
    #5 xliderider, Aug 12, 2022
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  6. An2TheTwan

    An2TheTwan Junior Member

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    Thanks everybody!
     
    #6 An2TheTwan, Aug 12, 2022
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