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No as long as the threads aren't stretched. Run your fingers up and down the threads you should be able to feel it. Kind of like a hour glass. And make sure threads are clean and use thread sealer.

Never have seen a blown head gasket on a 3800 most likely the upper intake is leaking into the intake ports of the engine.

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Q: When changing head gasket of a 1996 Buick Lesabre do you need new head bolts?
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