Going through the archives and discovered this response...

I have a leak on an aftermarket tank at the fuel gauge sender. What's the
best solution.

Should I buy a bigger o-ring? Or seal in the o-ring with sealant from a
tube?

Thanks!

Mark 1990 Westy 2WD 2.1

On Sat, May 28, 2011 at 1:43 PM, Dennis Haynes <d23haynes57@hotmail.com>wrote:

> With some effort and flashlight you can check for broken tube fittings
> without dropping the tank. It is also possible the leak is from the gauge
> sender o ring especially on the aftermarket tanks.
>
> Dennis
>
> Sent from my Windows Phone
>
> -----Original Message-----
> From: Robert Stewart
> Sent: Saturday, May 28, 2011 3:33 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Gas Vapors
>
>
>
> > I noticed today where the fuel smell is coming from. Just under my seat
> where the tank under me I saw today a small amount gas that appears to have
> leaked out of some hose! I made a really sharp fast turn and I saw a couple
> of tiny drips on the ground of the driveway that traced my turning radius.
> Sure enough I can see it's dripping from the top of the tank down to the
> ground.
> >
> > Does this mean that either the plastic crossover is cracked or that
> another hose is cracked or finally does it mean the cross over tube came
> out from the top of the tanks mounts?
> >
> > Note, I changed this entire tank 4 years ago with a new tank that I
> covered with Herculiner to prevent rusting and it looks amazing still.
>  Plus over a year ago I installed a new set of fuel lines and a new seal
> and crossover kit.
> >
> > So I am a little surprised.
> >
> > Robert
> > NY
> >
> > On May 25, 2011, at 11:20 PM, Robert Stewart wrote:
> >
> >> Dennis,
> >>
> >> I looked tonight at my air filter, there is a line coming from the top
> of the round filter that has been capped off. Isn't this suppose to connect
> to the charcoal filter? Where is that suppose to go? I assume I should
> connect that properly correct? I think a VW mechanic I used in Long Beach
> NY put a ball bearing in it and capped it off.
> >>
> >> Rob
> >>
> >> On May 22, 2011, at 7:21 PM, Dennis Haynes wrote:
> >>
> >>> From: Robert Stewart [mailto:robertmstewart@mac.com]
> >>> Sent: Sunday, May 22, 2011 7:09 PM
> >>> To: Dennis Haynes
> >>> Cc: vanagon@GERRY.VANAGON.COM
> >>> Subject: Re: Gas Vapors
> >>>
> >>>
> >>>
> >>> I can't speak as to the Black Silicone looking thing he used on the
> seals.
> >>> But I do believe it said it was ok for gas. Not sure.
> >>>
> >>>
> >>>
> >>> Gravity Valves are where?
> >>>
> >>> On top of each tank in the wheel wells.
> >>>
> >>>
> >>>
> >>> Vapor Recovery valve is on the left, right front or behind the air
> filter?
> >>> What should I do with it once I locate it?
> >>>
> >>> In front of the air filter on the other side of the firewall. You
> should be
> >>> able to hear it click each time the throttle is opened when the engine
> is
> >>> running.
> >>>
> >>>
> >>>
> >>> I never have heard any pressure release sounds coming from the gas
> tank cap
> >>> and this is my second van, so what is missing?
> >>>
> >>> Something is leaking somewhere. Just think later cars will generate a
> fault
> >>> code when the tank can't hold vapor pressure.
> >>>
> >>>
> >>>
> >>> Thanks,
> >>>
> >>> Robert
> >>>
> >>>
> >>>
> >>> On May 22, 2011, at 6:58 PM, Dennis Haynes wrote:
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> Silicon and gasoline. What was someone thinking. Most say on the tube
> not
> >>> for use with gasoline or on head gaskets. It could just be a loose
> hose or
> >>> one of the gravity valves on top of the expansion tanks. Also check the
> >>> operation of the vapor  recovery valve near the air filter. If all is
> well
> >>> whenever you open the cap for filling you should hear some pressure
> >>> escaping. After repairs the tank and vent system can be charged to 2-3
> psi
> >>> to make sure the vapors are kept in.
> >>>
> >>> Dennis
> >>>
> >>>
> >>> -----Original Message-----
> >>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On
> Behalf Of
> >>> Robert Stewart
> >>> Sent: Sunday, May 22, 2011 6:06 PM
> >>> To: vanagon@GERRY.VANAGON.COM
> >>> Subject: Gas Vapors
> >>>
> >>> A year ago my mechanic and I removed my new gas tank and installed the
> >>> crossover pipe and a seal kit with all the rubber grommets and clamps.
> He
> >>> used some special RTV silicone on all the rubber grommets before
> installing
> >>> it.
> >>>
> >>> Now it's a year later and the smell of gas permeates outside the
> vehicle
> >>> when I fill up. I have no idea what to do.
> >>>
> >>> I am at my wits end at this point.
> >>>
> >>>
> >>> Either a hose is damaged, or a seal must have blown ( hard to believe
> with
> >>> the new rubber and RTV silicone though).
> >>>
> >>> Does anyone have any advice?
> >>>
> >>>
> >>> Thanks,
> >>> Robert
> >>> 88 Automatic Wolfsburg
> >>> All New Fuel Lines
> >>> All New Hoses
> >>> Rebuilt Engine
>