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Discuss vtec valve adjustment air pressure in the rec.autos.makers.honda forum at Car Dealer Forums; I want to check the valve adjustment on my 2003 Civic Hybrid. I have 65,000 ...
  1. #1
    dold@XvtecXvalv.usenet.us.com
    Guest

    Default vtec valve adjustment air pressure

    I want to check the valve adjustment on my 2003 Civic Hybrid.
    I have 65,000 miles on it, and I have what sounds like valve lash noise on
    cold startup for a few minutes.

    In looking at the shop manual, there is a Honda Air Pressure Regulator,
    07AAJ-PNAA100 that is used to pressurize the vtec. It looks like just a
    0-100psi regulator and a hose.

    I have a compressor, but I don't know what fitting is required where it
    would connect to the block at "inspection hole B" on the head. What
    fitting is that?

    In looking at valve adjustment procedures on "temple of vtec", I don't see
    any air pressure device mentioned.

    Is the air pressure needed to adjust the valves, or is that only a check to
    see if the vtec is working? The manual isn't written too clearly in this
    area. The first mention of air pressure seems to be to check that you have
    already applied it before the previous steps ;-)

    It looks like 0-28psi should allow the rocker arms to be independent.
    28-57psi is where they should become linked, and over 57psi should be
    linked. Is that right?

    --
    ---
    Clarence A Dold - Hidden Valley Lake, CA, USA GPS: 38.8,-122.5



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  2. #2
    'Curly Q. Links'
    Guest

    Default Re: vtec valve adjustment air pressure

    dold@XvtecXvalv.usenet.us.com wrote:
    >
    > I want to check the valve adjustment on my 2003 Civic Hybrid.
    > I have 65,000 miles on it, and I have what sounds like valve lash noise on
    > cold startup for a few minutes.


    ------------------------------------

    I thought hybrid drivers warmed up their engines on the road (per the
    manual). Isn't it all about saving fuel / making the little beast last
    forever?

    'Curly'

  3. #3
    TeGGeR®
    Guest

    Default Re: vtec valve adjustment air pressure

    "'Curly Q. Links'" <motsco__@interbaun.com> wrote in
    news:453949E0.548A9356@interbaun.com:

    > dold@XvtecXvalv.usenet.us.com wrote:
    >>
    >> I want to check the valve adjustment on my 2003 Civic Hybrid.
    >> I have 65,000 miles on it, and I have what sounds like valve lash
    >> noise on cold startup for a few minutes.

    >
    > ------------------------------------
    >
    > I thought hybrid drivers warmed up their engines on the road (per the
    > manual). Isn't it all about saving fuel / making the little beast last
    > forever?
    >




    ....and spending more to buy it than you'll ever save on gas.

    --
    TeGGeR®

    The Unofficial Honda/Acura FAQ
    www.tegger.com/hondafaq/

  4. #4
    dold@XReXXvtecX.usenet.us.com
    Guest

    Default Re: vtec valve adjustment air pressure

    'Curly Q. Links' <motsco__@interbaun.com> wrote:
    > dold@XvtecXvalv.usenet.us.com wrote:
    > >
    > > I want to check the valve adjustment on my 2003 Civic Hybrid.
    > > I have 65,000 miles on it, and I have what sounds like valve lash noise on
    > > cold startup for a few minutes.


    > ------------------------------------


    > I thought hybrid drivers warmed up their engines on the road (per the
    > manual). Isn't it all about saving fuel / making the little beast last
    > forever?


    I didn't say I was sitting still, did I?


    --
    ---
    Clarence A Dold - Hidden Valley Lake, CA, USA GPS: 38.8,-122.5

  5. #5
    dold@XReXXvtecX.usenet.us.com
    Guest

    Default Re: vtec valve adjustment air pressure

    "TeGGeR?" <tegger@tegger.c0m> wrote:

    > ...and spending more to buy it than you'll ever save on gas.


    I'm past that point.

    I think the argument recently noted in the press was "four to five year
    payback" with an "average mileage of 15,000 miles per year".

    I figured my breakeven would be about 100,000 miles, but the rise in gas
    prices quickened that for me.

    --
    ---
    Clarence A Dold - Hidden Valley Lake, CA, USA GPS: 38.8,-122.5

  6. #6
    dold@XReXXvtecX.usenet.us.com
    Guest

    Default Re: vtec valve adjustment air pressure

    "TeGGeR?" <tegger@tegger.c0m> wrote:

    > www.tegger.com/hondafaq/


    I didn't think to prowl around the teggerFAQ for the vtec information. It
    didn't come up in a Google search...

    So, what about the air pressure? I assumed that was the same for any vtec.

    --
    ---
    Clarence A Dold - Hidden Valley Lake, CA, USA GPS: 38.8,-122.5

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