Although I wouldn't advise you to do it this way, it is a way of doing it :-)

http://www.youtube.com/watch?v=nokY0IiyA7w

Jaap
'87 Caravelle 1.6D

>   Was out today running errands in my 89 westy when all of a sudden I
> saw my
> Battery light and oil Light flashing and a buzzer sound.  I quickly
> turned off the van and coasted into a parking lot and took a look in the
> back.  One of my belts ( it goes to the right ) I think the alternator
> belt has broke. I remembered something about this belt also driving the
> water pump so left the van where it was and called my girlfriend for a
> ride. Now I 'm back at home searching for instructions and pics how to
> change the belt as i don't have a bentley. But I do have a new belt.
> Any instructions Greatly appreciated
>
>   Alex 1989 westfalia GL
>   Victoria BC