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Buzzing inside 98 Vette

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Old May 4, 2006 | 10:14 AM
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Default Buzzing inside 98 Vette

When i start the car I get a annoying buzzing sound about 5 seconds after the car was started. You can only hear it at idle because the road noise drowns it out. I though it was an exhaust gasket leak but that was replaced. it almost sounds like interferance with the speakers but im not sure. Any thoughs would be apperciated. Thanks.
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Old May 4, 2006 | 02:20 PM
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It's a "feature", the fuel pump is providing you with an audible signal to indicate that it is operational. Replacement is a bit of a hassle, after a while it becomes white noise.
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Old May 4, 2006 | 02:33 PM
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Default Feul Pump

Yup, you'll hear it over your left shoulder. The wonderful fuel pump. Just forget it and have fun driving.
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Old May 4, 2006 | 03:54 PM
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I don't even hear it anymore!
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Old May 4, 2006 | 04:09 PM
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I've never heard it on mind. I must not have a fuel pump.
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Old May 4, 2006 | 10:19 PM
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Are you sure its not the A.I.R. pump? Not to insult, just don't know how long you have had the Vette.
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Old May 4, 2006 | 10:58 PM
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I just got the car, it sounds like it could be coming from the rear. Would the differentail make a buzzing sound if there is a problem?
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Old May 5, 2006 | 09:05 AM
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Originally Posted by cazvette
I just got the car, it sounds like it could be coming from the rear. Would the differentail make a buzzing sound if there is a problem?

why would the differential "buzz for 5 seconds when the car was first started"?
wouldn't the differential have to be MOVING first to make noise?


it's the fuel pump.
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