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broken header bolt

This is a discussion on broken header bolt within the External Engine forums, part of the LSx Technical Help Section category; buddy of mine has a gmc truck with the 6.0L in it....he was towing his trailer up some steep hills ...

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    pewter
    2001 z28 lingenfelter 383

    broken header bolt

    buddy of mine has a gmc truck with the 6.0L in it....he was towing his trailer up some steep hills and heard a funny noise all of a sudden.....pulled the truck over..popped the hood....and noticed he broke the head off a header bolt....he was like wtf? as his truck is 100 percent stock...first how could this happen? overtourqed from the factory? truck is a 2002 i think...67k miles...second.....how is he gonnna get the broken stud out to replace it?? take the head off the side of the block and drill it out???? thanks

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    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    if only the head of the bolt broke off, there will still be the stud part of it. remove the exhaust manifold and put a pair of vice grips on the remaining part of the bolt and turn it out.

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    pewter
    2001 z28 lingenfelter 383

    thats what i was thinking as well but u think it would be possible to get a good enough grip with vise grips???

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    Formulatastic yellowv's Avatar
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    Quote Originally Posted by tonyjnjz View Post
    thats what i was thinking as well but u think it would be possible to get a good enough grip with vise grips???
    Most likely.

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