How do I change the heater core... on 2004 Chevrolet Blazer

Can't afford to have a shop do it. I must tackle it my self.Help me please

Asked by for the 2004 Chevrolet Blazer
1 answer
You better get the best repair manual you can, I suggest one of these two: http://bit.ly/mitchell_repair_manuals_online
http://bit.ly/alldata_repair_manuals