While you're in there doing all that stuff, do yourself the favor of
installing a real analog oil pressure gauge.  It tells you lots more
than the idiot light and gives you a nice redundancy.

See:

http://www.vanagon.com/  under Problems

-Karl

Karl and Kristina Bloss, Trexlertown, PA
'87 GL Weekender  "Beverley"
Mechanic list: http://www.enter.net/~bloss/vw/vwshops
Busses by the Trail - Oct 15-17, 1999: http://www.enter.net/~bloss/vw/bbtt
PA/NJ Vanagon owner's mailing list: http://www.onelist.com/subscribe/pavanagon