I think the lines your talking about are vent lines.  The fuel line I
think is on the driver side bottom nest to the fuel pump. Changing
this line and the rest of the fuel lines does not require pulling the
tank down. However to get the vent lines does.

JFF

>Does anyone have any ideas on replacing fuel lines ?  Tank is
>plastic, located forward of engine, and the only line even visible
>is the pump feed from the bottom of the tank.  All the other lines
>disappear forever via holes in the bulkhead.
>
>The breather line to the filler neck is porous, as is the smaller
>line next to it.  I believe this second line should go to an
>expansion tank, but it just dead-ends behind the filler cap surround
>- why do we need expansion tanks, anyway ? - if the tank is not
>filled brim full there should be plenty of expansion space in the
>tank itself.
>
>Gas only leaks when I fill right up, but I'm sure it's only a matter
>of time before other lines start to leak, - and then sod's law says
>the gage will quit also.
>
>I don't really want to remove the subframe and drop the engine &
>transmission - any chance of cutting an access panel from above ? -
>and where ?
>
>Dick Flower
>France
>'87 2.1L Syncro camper
>'8? 2.1L Transporter (for parts)
>
>Dick & Jean Flower
>France