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1997 993 Metallic Noise at 3000rpm


Vehicle Information: Model: 993; Year: 1997; Body Type: Cabriolet; Total Mileage: 70000;

I know it is a long shot, but I do want to try anyway... I have had my 993 for about a year now and this is something that I noticed at the time of purchase but did not pay attention to it too much. At about 3000 rpm (or slightly less, say 2800), you can hear a slight metallic noise coming from the back of the car. At lower or higher rpm, there is no such noise. Any ideas? Any specific area I should look into? I am thinking that there is something loose/getting loose and vibrations of the engine at that rpm produces a resonance effect.

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