Can You Help A Girl Out?
Here is a link to the process on "burping" your radiator. I had an issue with my Duster runing hot after changing a water pump gasket. I followed this process and it reduce the temperature. I also had to re-jet my carb to solve the overall problem, however I don't think you need to address that.
http://www.ehow.com/how_7369_burp-cars-cooling.html