Q: Blownhead gasket on 2003 Hyundai Accent

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How do I fix a blown head gasket
(2) Answers
Also - a freebie source:

...straight from Hyundai, the same tech info that factory trained Hyundai techs use every day.
Try this link:There is a company that independent auto repair shops "buy" their information from that the same information inexpensively to do it yourselfers. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams etc.... Alldata is very easy to navigate

But if your tool and knowledge are lacking this will be a big job.