Spark plug gasket on the valve cover change

Discussion in 'Gen 3 Prius Technical Discussion' started by Pamela Poe, Apr 6, 2019.

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  1. Pamela Poe

    Pamela Poe New Member

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    2012 Prius
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    Two
    So I had a leaky valve cover gasket and decided to take on changing it out, at 279k miles I gave it my best DIY. It all went great except the spark plug gaskets seem to be REALLY well seated in the valve cover. I got the 1st one out but getting the new one in was nearly impossible with out damaging it. So I didn’t change the others, I put it all back together and she fired right up but now smokes and rattles. So I’m guessing I have oil leaking onto the spark plug. So how do you change the spark plug seals/gaskets that are mounted to the valve cover?
     
    #1 Pamela Poe, Apr 6, 2019
  2. The Critic

    The Critic Resident Critic

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    Run the engine in inspection/maintenance mode and allow the smoke to clear. You probably just dripped oil into the cylinder.

    For removing the seal, I use a block of wood in combination with something like this:

    https://www.harborfreight.com/seal-puller-with-2-tips-63039.html?cid=paid_google|*PLA+-+All+Products+-+Lower+Sales+Items|New+Products+-+(1)+Price+<$10|63039&utm_source=google&utm_medium=cpc&mkwid=sBWexS4Hl|pcrid|318476002950|pkw||pmt||pdv|c|slid||product|63039|&pgrid=63088204786&ptaid=pla-297095492631&pcid=1654049980&gclid=EAIaIQobChMIhfHL4IbB4QIVjR-tBh1e5gEBEAQYAyABEgKPAPD_BwE
     
    #2 The Critic, Apr 8, 2019
    Last edited: Apr 8, 2019
    Raytheeagle likes this.
  3. Mendel Leisk

    Mendel Leisk Senior Member

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    More info on maintenance mode:
     

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    #3 Mendel Leisk, Apr 8, 2019
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