No, it is not.  You are not supposed to take the cap off to fill with gas
and hear a big WOOMP of air going in and the metal of the tank popping back
to size.  Or park your van in the driveway and about 5 minutes later hear
the tank expand back to shape.

Something is amiss, and i know it must be with the emissions control stuff
but can't figure where to start......

Adam P
81  Westy "The Brick "
70 Single Cab "Whitey"
74 Beetle "Ol Yeller"
73 Transporter (STILL at paint shop)
1988 Vanagon Wolfsburg
1976 Transporter (New CA bus)
1974 412 "Goldmember"
Used Vanagon Parts for sale (mostly aircooled)
----- Original Message -----
From: "mike boland" <westy@mvboland.com>
To: "Vanagon man" <vgonman@MSN.COM>
Sent: Tuesday, February 11, 2003 1:29 PM
Subject: Re: Fuel tank pressurized

> It's supposed to
>
> At 01:07 PM 2/11/2003 -0500, you wrote:
> >I replaced the check valves in the expansion tank, and the tank is still
> >pressurizing.1990 2.1L model.......
> >
> >Any ideas?
> >
> >Adam P
> >81  Westy "The Brick "
> >70 Single Cab "Whitey"
> >74 Beetle "Ol Yeller"
> >73 Transporter (STILL at paint shop)
> >1988 Vanagon Wolfsburg
> >1976 Transporter (New CA bus)
> >1974 412 "Goldmember"
> >Used Vanagon Parts for sale (mostly aircooled)
>