>Actually, the '68-79 Bus owners manuals (not sure of the Vanagon ones)
>specifically said to leave a window cracked open when closing all doors,
>because the vehicle is airtight (when new) and the doors could be difficult
>to close when there was nowhere for the air to escape.  My last Westy ('85)
>was still almost airtight; you could not easily lower the poptop unless a
>window was open.  Alas, my present '89 is apparantly not quite as airtight.

Ron,

Don't the later Vanagons have a flow thru vent opening as part of the rear side windows?  Seems like that would give the air someplace to go.

Bill