Date:         Fri, 18 May 2001 14:59:29 -0500
Reply-To:     Steve Gough <vw@emriver.com>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Steve Gough <vw@emriver.com>
Subject:      Re: rebuilding throttle body
Comments: To: Mark McCulley <transporter99@hotmail.com>
Content-Type: text/plain; charset="iso-8859-1"

While we're on this topic:  I'm putting in a new engine, and
am going through everything.  I've cleaned the throttle body,
any advice on how best to lube the bearings and spring before
I put it back in?

Steve

----- Original Message -----
From: "Mark McCulley" <transporter99@hotmail.com>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, May 18, 2001 1:53 PM
Subject: Re: rebuilding throttle body


> Ken, have a look at one and I think you'll see what I'm talking about.
When
> closed, the butterfly should seal to the inside of the throttle body
except
> where the idle air screw is located. The grooves occur where the butterfly
> contacts the throttle body and tend to be more pronounced at the top and
> bottom of the body.
>
> -Mark
>
> >From: Kenneth D Lewis <kdlewis@juno.com>
> >To: transporter99@hotmail.com
> >CC: vanagon@GERRY.VANAGON.com
> >Subject: Re: rebuilding throttle body
> >Date: Sat, 19 May 2001 13:31:34 -0400
> >
> >Mark;
> >         I see what you are saying, I just do not understand why. The
> >butterfly are almost identical are they not? The throttle body's should
> >never close all the way anyway,if the idle stop is set correctly. Why
> >would it wear grooves in the side?
> >
> >
> >
> >Good Luck and Drive Safely
> >Ken Lewis
> >86 Crewcab,60 356
> >http://Neksiwel.20m.com/
> >
> >
> >On Fri, 18 May 2001 14:51:33 "Mark McCulley" <transporter99@hotmail.com>
> >writes:
> > > Ken and Mark,
> > >
> > > The problem with the throttle body is quite different from the
> > > problem with
> > > worn bushings on a carburator. What typically happens with a
> > > carburator is
> > > the bushings on the butterfly plate shaft wear out resulting in an
> > > air leak
> > > and a too-lean mixture. This is easily fixed by rebushing the shaft.
> > > What
> > > happens on the 2.1l throttle body is the throttle plate wears
> > > grooves into
> > > the inside of the throttle body......................
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