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Date:         Mon, 14 Nov 2011 15:34:58 -0500
Reply-To:     mkriley@FUSE.NET
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mike Riley <mkriley@FUSE.NET>
Subject:      Re: Fwd: Re: gas odor in engine compartment
Content-Type: text/plain; charset=utf-8

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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