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  • Buick Regal
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What causes the 3800 supercharged engine to clunk when starting a regal 1998?


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Answered 2007-03-21 00:55:14

The first thing that comes to mind if the "clunk" is only on starting is worn or broken motor mounts. Something is moving and allowing things to hit each other. A clunking that is intermittent while running may be a ball or roller bearinng going bad.

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