S2000 Under The Hood S2000 Technical and Mechanical discussions.

whistle or whine?

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Old May 4, 2004 | 11:28 AM
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When I am on the fwy and have the windows up and the radio off, when I accelerate, I can hear a faint whistle, not sure where its coming from. Seems like its coming from right under the shifter but I cannot tell for sure. If I put in the clutch, noise goes away, if I dont accel, the noise isnt there, its only when I accelerate in 5th or 6th gear, and only between 3-4k rpms. The problem is, I never listened to this from the start so it may have been there all along, I talked to someone else who says they get this, but then I rode in my friends (his has 20k miles, and it didnt do it, mine has 40k miles). It isnt the same as that squeak/whistle you get under partial acceleration that dissapears, if I keep accelerating it stays. Does this sound normal or could it be a sign of the rear-end, or just normal tranny noise?
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Old May 4, 2004 | 12:05 PM
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i wish i could help, but I have to say I've never encountered this problem before. not even when I had my 2000.
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Old May 4, 2004 | 12:46 PM
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well its not loud, or noticeable, you have to have the windows up, the radio off, and be going at about 65 in 6th gear and listen by the shifter when you accelerate.
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Old May 4, 2004 | 12:48 PM
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hmm... mine does it when I first turn crank it up. but only when it's not warm. it sounds like its supercharged or something, but then it goes away when it's warmed up. i am tryin to think of anything similar to that when I had my 2000...
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Old May 4, 2004 | 02:34 PM
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Sounds familiar, i believe Xviper said a whistle like that could just be the fuel pump, and another idea i have heard is just alternator inteferencfe in your speaker power wires. Not really sure exactly but those are just some diagnoses i have seen and heard.
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Old May 4, 2004 | 02:36 PM
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well the loudest I hear it is when I put my head by where the shift knob is and accelerate, its still faint.... just cant tell if its coming from the rear-end, the tranny or where.
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Old May 4, 2004 | 02:40 PM
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I think it's always been there. If it's associated with clutch position, it'll be related to the clutch or tranny. If it's that faint, I think you are obsessing too much. If it's bad, it'll get worse in time and you won't need to try so hard to hear it.
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Old May 4, 2004 | 02:49 PM
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if i try to make it happen between 2-3k rpms it doesnt happen, 3-4 is when it happens when i accelerate, or if I hold the accelerator it continues to happen, after that, it kind of changes/gets more faint.
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Old May 4, 2004 | 02:50 PM
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also, the only thing I wanted to know is how come I didnt hear it on my friends, could it be because of the lower miles?
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Old May 4, 2004 | 03:02 PM
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No two cars are the same and therefore, you shouldn't rely so much on what other cars sound like. Your friends car may have a slightly different clutch friction point, different fluid, different amount of fluid in the tranny, different clutch wear patterns, different states of lubrication of various parts.
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