You have two choices. This has become a problem on these vehicles. As a result, a special tool to extract them has been developed. You may need to take it to a dealer to have them take it out. Other than that, the head needs removed and the part removed or drilled out and a helicoil installed.
Let me know if you have other questions.
Joe
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Monday, November 8th, 2010 AT 10:31 AM