I would drop your spare tire and look up at the bottom of the radiator and
the hoses.  Could be a bad hose or even just a clamp.  I have these in stock
if you need them.  I even have new radiators available for $199 (VW).

Thanks,
Ken Wilford
John 3:16
www.vanagain.com
Phone: (856)-765-1583
Fax: (856)-327-2242