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2001 Prius - valve cover

Discussion in 'Generation 1 Prius Discussion' started by Blotto, Dec 12, 2018.

  1. Blotto

    Blotto Junior Member

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    Hi folks,
    The Haynes manual says the bolts says the bolts should be torqued to 7 ft-lbs but doesn't mention:

    ...How many valve cover bolts
    ...The sequence they should be torqued down
    ...If the torquing should be done in steps

    Looking at an eBay valve cover, it looks like there are 9 bolts on the perimeter and 2 in the middle. When I've replaced the gasket, should I just torque them down to 7 ft-lbs, starting the middle and moving out?

    Cheers

    This post is an offshoot from:

    Bad knocking from top of engine...won't start | PriusChat
     
    #1 Blotto, Dec 12, 2018
  2. FireFighterHill

    FireFighterHill Member

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    Me personally, I'd go in a crisscross pattern lightly snugging them, then torque to spec.

    SM-N960U ?
     
    #2 FireFighterHill, Dec 12, 2018
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  3. Mendel Leisk

    Mendel Leisk Senior Member

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    7 ft/lbs is really trivial too. And if this is a typical valve cover, it's a rubber gasket you're compressing. So yeah, criss-cross pattern, and several steps.

    What I'll often do: first go around, hold the ratchet one-handed, like a screw driver, just snugging. I think a lot of times (with past cars, Hondas) I didn't bother with torque wrench: the goal is to get decent/uniform compression of the gasket.
     
    #3 Mendel Leisk, Dec 12, 2018
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  4. Blotto

    Blotto Junior Member

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    OK, many thanks.
     
    #4 Blotto, Dec 12, 2018
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  5. ChapmanF

    ChapmanF Senior Member

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    If you're ever in a hurry and need the right answer before some other PriusChatter has time to copy/paste it for you, you can always find it in the repair manual at techinfo.toyota.com.

    vcvr.png

    -Chap
     
    #5 ChapmanF, Dec 12, 2018
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  6. Blotto

    Blotto Junior Member

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    Chap,

    Many thanks for the link and the page about torquing the valve cover.

    Looks like I done screwed up some of it but I've got a feeling it doesn't matter :).

    Cheers
     
    #6 Blotto, Dec 12, 2018
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