Re: [T3] gas mileage fix

["Dave Hall" <dave@hallvw.clara.co.uk>]

Was there a thin ring of rubber on the metal pipe end?  There's supposed to be
one there to help seal that joint.  The big hose has a plastic lining and I
guess the thin rubber band is to seal properly.

www.hallvw.clara.co.uk/type3/T3pbo/T3pb2-02.htm part number 7.

Dave.
UK VW Type 3 & 4 Club
http://www.hallvw.clara.co.uk/
------
----- Original Message ----- 
From: "Jim Showker" <jshowker@comcast.net>
To: <type3@vwtype3.org>
Sent: Wednesday, September 21, 2005 4:31 AM
Subject: Re: [T3] gas mileage fix


> >This IS the overflow hose, isn't it; I can't imagine
> > what else you could be clamping under there.
>
> Nah, not the overflow tube, the big tube/hose that hooks to the gas tank
> from the filler .  Probly 2" in diameter.  It looks like the original high
> quality VW clamp.  The neoprene rubber, or whatever it is is just smaller,
> either from being 36 years old, or from being clamped for 36 years.  The
> duct tape is only acting as a spacer, to enlarge the tube/hose so that the
> clamp can clamp.  should last as long as the hose.
>
> Jim Showker
>
>
> ----- Original Message ----- 
> From: "Jim Adney" <jadney@vwtype3.org>
> To: <type3@vwtype3.org>
> Sent: Tuesday, September 20, 2005 7:26 PM
> Subject: Re: [T3] gas mileage fix
>
>
> > On 20 Sep 2005 at 18:07, Jim Showker wrote:
> >
> > > Early in the summer we got my son's '69 with EFI working well.  Got
> great
> > > gas mileage on the fwy.  However mileage around town was only 17-18 mpg.
> We
> > > puzzled about this for a long time, til one day I was riding with him
> and he
> > > was taking a left hand corner pretty hard, and afterwards I smelled gas.
> We
> > > traced it down and gas was leaking out the rubber to metal boot
> underneath
> > > the fender.
> >
> > To this point, I was thinking that your story was pretty typical. It's
> common
> > to find that hose broken and leaking.
> >
> > > The rubber tube that comes out of the trunk is attached to the fill tube
> > > with a clamp.  The clamp was as tite as it would go and was not actually
> > > clamping the tubing.  Probly cause the dimensions of the rubber had
> shrunk
> > > over 36 years.  I wrapped duct tape around the rubber tube where the
> clamp
> > > went, to make it bigger.  Several wraps around and the clamp then
> functioned
> > > properly.
> >
> > I'd recommend that you take a moment sometime and just get the correct
> size
> > clamp. I don't know how long the duct tape will hold up, althought Red
> Green
> > would be proud of you. This IS the overflow hose, isn't it; I can't
> imagine
> > what else you could be clamping under there.
> >
> > > No more gas leak on left turns, now, 23-24 mpg in town.
> >
> > ;-)
> >
> > > This is especially interesting, cause the guy that sold us the car had
> > > basically given up, after all kinds of weird fixes (like adding pots in
> > > place of temp sensors), because he could not figure out why the mileage
> was
> > > bad.  He figured the efi was messed up and running rich.
> >
> > Isn't it amazing how we ALL tend to jump to the worst possible
> conclusions.
> >
> > > So if your gas mileage seems unexplainably bad, check it out.
> >
> > Yes, strong gas smells are always a problem.
> >
> > -- 
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
>