Date: Mon, 14 Nov 2011 20:11:18 -0500
Reply-To: mkriley@FUSE.NET
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Mike Riley <mkriley@FUSE.NET>
Subject: Fwd: Re: Re: Fwd: Re: gas odor in engine compartment
Content-Type: text/plain; charset=utf-8
hey scott,
new hose, new clamps, no leaks there in front of firewall.
mike
> ---- Scott Daniel - Turbovans <scottdaniel@turbovans.com> wrote:
> > 'the spot' that leaks is on the forward side of the fire wall..
> > From the firewall fitting going forward it goes ...............fire wall
> > fitting, then short hose about two inches long ..
> > 'right there' where the short hose is clamped to the hard plastic line
> > coming from the fuel pump ..
> > a factory type crimp fuel hose ..........that's where they tend to leak.
> > If the original crimp type hose clamp is still there, at the minimum,
> > replace it with a proper screw type fuel hose clamp.
> >
> >
> > ----- Original Message -----
> > From: "Mike Riley" <mkriley@FUSE.NET>
> > To: <vanagon@GERRY.VANAGON.COM>
> > Sent: Monday, November 14, 2011 12:34 PM
> > Subject: Re: Fwd: Re: gas odor in engine compartment
> >
> >
> > >I have done all that and am still coming up blank.
> > > hoses 6 months old
> > > new injector seal 6 months old
> > > I clean any residue from any repair with brake cleaner so as to see any
> > > seepage, engine is spotless
> > > all connections have been visually and physically checked with a sniff of
> > > the fingers nothing.
> > > all the usual suspects are covered.
> > > firewall fitting ok
> > > no seepage around fuel pressure relief valve
> > > thanks
> > > mike
> > >
> > >
> > >
> > >
> > > ---- John Rodgers <inua@charter.net> wrote:
> > >> Turn off the engine, open the hatch and let it vent completely to the
> > >> point there is no smell. Turn on the ignition to the point the pump come
> > >> on. then y ou have 30 pounds of fuel pressure all the way back to the
> > >> injectors. Use you nose and sniff zones as close to the lines as you can
> > >> get - every where the is a connection. Use a good, narrow beam
> > >> flashlight - like a Mag light and focus that beam carefully on every
> > >> connection. You may have a weep that will almost instantly evaporate
> > >> with the engine running or when moving. But fully pressurized you may
> > >> be able to see a wet spot, even if it's not dripping. And make
> > >> absolutely sure the connections on the stupid plastic firewall
> > >> connection are secure and in good condition. There is a short piece of
> > >> hose on the front side of the firewall that connects the plastic fitting
> > >> to the fuel line. Those two connections and the hose are notorious for
> > >> leaking. I've had that hose leak first on the forward side, then the
> > >> rearward side, then the hose itself split. Just as a matter of
> > >> preventive maintenance that fitting and short hose should be eliminated,
> > >> lest it cause you grief at some extremely inopportune time. Be
> > >> pro-active on this one.
> > >>
> > >> If you don't see something with this method, next step is - with the
> > >> fuel pump on - feel under each hose connection and clamp. If there is a
> > >> leak that can't be seen, you can feel the wetness of it.
> > >>
> > >> Good hunting.
> > >>
> > >> John
> > >>
> > >> John Rodgers
> > >> Clayartist and Moldmaker
> > >> 88'GL VW Bus Driver
> > >> Chelsea, AL
> > >> Http://www.moldhaus.com
> > >>
> > >>
> > >> On 11/14/2011 8:50 AM, Mike Riley wrote:
> > >> > 85 1.9 2 wheel drive
> > >> > brown in ohio<g>
> > >> > odor comes only when driven and a little while after
> > >> > no visible leaks.
> > >> > no drips anywhere
> > >> > firewall fitting like new
> > >> > vapor recovery hooked up
> > >> > smell only in engine compartment and vents
> > >> > anybody have problems with hose permeability
> > >> > I discovered the smell from sniffing the vents
> > >> > any ideas
> > >> > thanks
> > >> > mike
> > >> >
> > >> >
> > >> >>
> > >> >> ---- John Rodgers<inua@charter.net> wrote:
> > >> >>> Mike,
> > >> >>>
> > >> >>> Don't run this thing again before you get this resolved. To
> > >> >>> paraphrase
> > >> >>> an old saying - where there are fumes there will be fire - and you
> > >> >>> don't want the fire to be your van!
> > >> >>>
> > >> >>> And keep your fire extinguisher handy while you work on the van to
> > >> >>> resolve this.
> > >> >>>
> > >> >>> Please do advise us per Roger's list of questions.
> > >> >>>
> > >> >>> John
> > >> >>>
> > >> >>> John Rodgers
> > >> >>> Clayartist and Moldmaker
> > >> >>> 88'GL VW Bus Driver
> > >> >>> Chelsea, AL
> > >> >>> Http://www.moldhaus.com
> > >> >>>
> > >> >>>
> > >> >>> On 11/13/2011 1:16 PM, Mike Riley wrote:
> > >> >>>> smell gas in engine compartment and it is moderately strong. fuel
> > >> >>>> hoses are 6 months old and NOT showing any signs of leaking
> > >> >>>> firewall fitting ok and showing no signs of leaking also hose behind
> > >> >>>> firewall.
> > >> >>>> vapor recovery system all hooked up with no leaks. absolutely no
> > >> >>>> drips anywhere and no smell at the front.
> > >> >>>> all the usual suspects are ok and engine is very clean and shows no
> > >> >>>> signs of seepage anywhere.
> > >> >>>> any ideas?
> > >> >>>> mike
> > >> >>>>
> > >> >>>>
> > >> >
> > >>
> >
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