Thread: 98-320, Vibration noise HELP
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Old 08-11-2002, 01:52 AM
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Gilly Gilly is offline
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Join Date: Mar 2001
Location: Evansville WI
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We've had some bad/loose catalytic converters (internal matrix comes loose and vibrates internally). Try thumping on the cats with a rubber mallet, you'll definitely hear it if it's loose inside.

Gilly
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