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Strange Low-pitch Whine

 
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Old 05 Jun 2003, 06:59 pm
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Default Strange Low-pitch Whine

Was driving down a local freeway this AM, when I heard what sounded somewhat like a siren, but not as high a pitch and steady rather than warbling. It was VERY loud as I could hear it over the highway noise with my window down, the top popped, and my CD playing.

Once I realized it was coming from my GT, I pulled over. It was coming from the rear of the car. I guess it lasted about a minute, then settled down to a very low-piched whine.

Immediately took it to the dealer, who had a problem distinguishing it from all the other normal noises. Finally did hear it, and will be taking a look at it next Tuesday.

Anyone experience a similar noise?
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Old 05 Jun 2003, 07:20 pm
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I hear a high pitch whine when the rear seats are removed, I think it's just the fuel pump.
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Old 05 Jun 2003, 07:29 pm
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That's what I think it is, too. But the awful sound I heard also tells me the pump may have some problem. So far, no detriment to vehicle operation or performance, but doubt if I'll be driving it much until I get it thoroughly checked.
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Old 10 Jun 2003, 02:10 pm
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Took it to the dealer. They say it sounds like the fuel pump, but that the sound is "normal." They agree it's a bit louder than it should be, but are not willing to change it out unless it either becomes louder or fails. Comforting.
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Old 10 Jun 2003, 03:13 pm
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I wonder if the dealer will pay for the towing?[:I]
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Old 10 Jun 2003, 04:02 pm
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I had the exact same whine a few months ago. You could only hear it inside the car when stopped at idle. Dealer diagnosed it as the fuel pump and replaced it under warranty. No noise now, nor before the incident. You really shouldn't hear it under normal conditions.
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Old 10 Jun 2003, 04:52 pm
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Hmm..I also hear it with the seats removed. Not overly loud though. Dave you dont hear it at all?
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Old 24 Sep 2003, 10:25 pm
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I took the rear seats out before traveling, and while in Atlanta, Georgia the odometer hit 12,000, so I took it in to a local 5 star dealer for regular maintenance.

Just before I left the dealership, I did a quick inspection of the car and heard the "Low-pitch Whine"!!!

I almost accused the dealer of causing it. I told the Service Manager that I had never heard the sound before taking it to his dealership.

He was cool, and drove up in a used '03 cranberry GT, and took the seat out, and let me listen to it.

Thye exact same "Low-pitch Whine" came from it, so I humbly apologized, and left.

The Question is: Should I demand a new fuel pump? What do you think?


Thanks.





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Old 24 Sep 2003, 10:28 pm
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I could hear my defective pump even with the seat in. After it was replaced, I could not hear it at all, even with the seats removed, but now I also have a 3" exhaust with no muffler, so hearing any whine would be pratically impossible!
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Old 25 Sep 2003, 12:01 am
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The seats make a HUGE difference in sound cancellation. The whine is the fuel pump but the interesting thing is that it is always on and I'm not sure if it needs to be.
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