The first step is to purchase a repair manual for your S-10. Replacing the head gasket is not all that difficult but there are many steps in the process and that will take too much time to explain on any forum.
Mar 17, 2012 at 11:17 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.