THAT is a good idea. I've had WBX vanagons for years, I know how to bleed
them properly. This one is running hot, I'm not yet sure why.

John

 you could pull the radiator and have it flow tested at a local radiator
 shop.  you could also use a raytek type infrared temperature measuring
 device to "see" the different temps around the system to get an idea of
 how its operating.