Your oil is too light for typical non-arctic zones.  I run 20W50 in my '87
pretty much all year 'round in Pennsylvania.  Also, you should be using a Mann
or Mahle filter, not Fram or some junk like that.

Read more about the dynamic oil pressure system on vanagon.com under 'problems.'

-Karl

> The oil light and buzzer go off on my '91 Carat within a couple days after
> every couple oil changes.  It'll usually happen while I'm on the offramp
> after a 40 minute drive to work (freeway speeds and rpms).  I'll get
> freaked out and pull over and check the oil and it's fine.  Let it cool
> off and never hear it again until right after I change the oil again.
> Anyone else have this happen?  What's it mean?  How can I avoid it?  I'm
> using 10W40 Castrol.
>

Karl and Kristina Bloss, Trexlertown, PA
'87 Westfalia Weekender  "Beverley" - 196K miles
http://www.enter.net/~bloss/vw/
PA/NJ Vanagon owner's mailing list: http://www.enter.net/~bloss/vw/pavanagon/