Question about 2001 Toyota Sienna

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Valve covers gasket leak oil

Does anyone have agood ideas of how to replace it?

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  • love2love Nov 06, 2008

    Thank you for the information. Yes you are right. I have to removed the plenum plus air in take and a few hoses. Grounds connector, 2 bolt near the fire wall that hold the intake. I also replaced spark plugs and spark plugs seals. PCV valve and fuel filter. I did not replace the plenum gasket, still in good condition. I got almost 2 miles more per galon, after replaced all that. Thanks guy.



    See ya next time



    love2love

  • yadayada
    yadayada May 11, 2010

    FixYa.com claims they have factory repair & owners manuals, they have nothing of the sort. Some experts may have a small personnel library of manuals. Experts are not employed by FixYa.com, we help free of charge as much as we can with the general automotive knowledge we have learned while working as auto technicians, specific test values, repair procedures and illustrations are unique to each car line, these are not in most cases available to us. Thanks for using FixYa!

  • yadayada
    yadayada May 11, 2010

    UNDER THE VALVE COVERS ARE GASKETS, TO REMOVE THE COVERS FIRST REMOVE ANYTHING THAT RUNSIS OVER OUR IS COVERING THE VALVE COVER, THEN REMOVE THE FASTENERS RETAINNING THE VALVE COVER TO THE HEAD, REPLACE THE GASKETS AND REV THE PROCEDURE.

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  • Toyota Master
  • 1,861 Answers

To replace the valve cover gaskets on a Sienna: The front one is easy. The difficult one is the other side, closest to the firewall. You will need to purchase a new intake plenum gasket, when you buy the new valve cover gaskets, because you MUST remove the intake plenum to remove the rear valve cover. You can NOT get the back side valve cover off of the engine without removing the plenum. Trust me.
Hope this helps, and thanks for choosing FixYa.

Posted on Nov 04, 2008

  • Toyota Ed Nov 06, 2008

    Glad to be of service, and 2 more MPG is GREAT!

    The graciousness of a FixYa on my solution for you would be greatly appreciated, the "Thanks for trying" really slams my rating, I thought that I provided you good advice.

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