New waterpump, hoses, replace the shitty plastic pulleys and thermostat housing with metal ones. Watch these videos and you will learn why. After that you will have a very reliable vehicle.
Belt & Pulley Failure
http://www.youtube.com/watch?v=3jJgZ...eature=related
Common Cooling Failure
http://www.youtube.com/watch?v=Mco77...eature=related