I must add to this excellent report, that at least one of the breathing tank
has a rubber plug on, which does fall apart and won't seal anymore.  New one
is sold by GoWesty.
Zoltan

----- Original Message -----
From: "Scott Daniel - Turbovans" <scottdaniel@TURBOVANS.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, July 29, 2009 12:16 PM
Subject: Re: Gas Tank Blowing Fuel Out When Filled

>I wouldn't think the expansion tanks are involved , except at the lower end
> of their hoses where they go to the tank.
> ( but you never quite know until it's finally fixed , and these vans are
> getting old )
>
> I have seen or read about several cases of 'drop the tank and install all
> new grommets' and it still leaks or smells when filled.
> Things that pop to mind that could be out of place :
>
> There's the 3 vent hole grommets on top of the tank..
> there's the sender o-ring .......a twist to lock thing that wouldn't be
> too
> hard to let the o-ring slip out of place,
> there's the filler neck grommet on the side.
> and there's the plastic Y fittings in the main vent tube across the top of
> the tank - those just love to break.  They get old and brittle, you look
> at
> them funny, and they break - or they are not in place correctly.  perhaps
> yours are new, but it's a hard job to do right, no matter how you do it.
> It's quite a 'curse' type car repair job.  I have a local vanagon guy near
> me who won't do them even.  He ought to do a syncro gas tank sometime !
> lol.
>
> One thing is for sure : "It's a blockage or leakage of fluids or
> electrons.'
> It *always* is.
>
> Scott
> www.turbovans.com
>
>
>
> ----- Original Message -----
> From: "Robert Stewart" <robertmstewart@MAC.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Tuesday, July 28, 2009 10:30 PM
> Subject: Gas Tank Blowing Fuel Out When Filled
>
>
>> So I had an one of my old mechanics in NYC install the Vanagain Gas
>> Tank Seal Kit. Either they did not do the job right or something else
>> is wrong.
>>
>> Every time I fill the tank and let the gas stations pump auto shut off
>> when filled it blows of out of the bottom near the rail that mounts
>> the tank on the passenger side. I can see the fuel spill out and down
>> the rail onto the floor. It's not a huge amount but it is dangerous I
>> want to solve the problem.
>>
>> Could it be that they did not install one of the 3 rubber grommets
>> properly?
>>
>> Or Could it be something with the expansion tanks that link to the gas
>> tank?
>>
>> Looking for suggestions...
>>
>> The strange thing about this issue was the first time I filled up
>> after it was just installed it did not blow out, but all fill ups
>> after did!
>>
>> Strange.
>>
>> Any help would be appreciated as always.
>>
>> Robert
>> Bloomingburg NY
>> 88 Wolfsburg, Silver
>> 239,700 miles - automatic
>> AIM: rmstewart@mac.com