It is probably the oil to water oil cooler that's mounted just above the oil
filter.  They can fail internally and mix oil and water. Happened to my
Jetta that runs the same oil cooler.  Fix it ASAP as while it is putting oil
in your coolant, it is also putting coolant in your oil!!

Gary
----- Original Message -----
From: "Drew Bedford" <drew@BOMB-PROOF.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, March 19, 2001 2:56 PM
Subject: Oil in the coolant

> For the first time I have an oil slick in my coolant tank. Anybody
> encountered this symptom before?
>
> Drew Bedford
> 83.5 Westy
> Park City, Utah
>