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  #1  
Old 03-11-2003, 10:14 AM
RRX
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whining upon acceleration

When i punch the pedal, there is a whining noise. Under normal acceleration everthing is fine. I don't know if its a belt or what?
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Old 03-11-2003, 10:21 AM
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Re: whining upon acceleration

Quote:
Originally posted by RRX
When i punch the pedal, there is a whining noise. Under normal acceleration everthing is fine. I don't know if its a belt or what?
Just a quick guess. Have you checked your P/S fluid?
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Old 03-11-2003, 10:30 AM
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No I haven't but i'll be sure to do so. It's wierd becuase it only whines if I floor it.
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Old 03-11-2003, 10:38 AM
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Quote:
Originally posted by RRX
No I haven't but i'll be sure to do so. It's wierd becuase it only whines if I floor it.
This is a "whine" and not a "squeal," right? If your P/S pump is low on fluid, this could cause a "whine" when floored, mainly because if the fluid is forced out quickly, it could be sucking some air. Same if the O-ring is just now beginning to deteriorate. It may be getting air from somewhere. But, again, without hearing the sound, it's just a guess.
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Old 03-11-2003, 10:50 AM
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Hmmm I guess it could be a squeal. It's kinda hard to explain, I do appreciate the input. Im just hoping its nothing major.
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Old 03-11-2003, 10:54 AM
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Quote:
Originally posted by RRX
Im just hoping its nothing major.
Me too. Check the fluid and check the tightness of the belts, and go from there. Someone else may have a suggestion. Just keep checking back, and, best of luck.
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Old 03-11-2003, 11:05 AM
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Check all your fluids

transmission and front differential (I'm assuming you've got and AWD variant).
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Old 03-11-2003, 11:27 AM
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thanks
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Old 03-11-2003, 01:42 PM
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i've also heard that..... a cheap equalizer (yeah you didn't read wrong, equalizer as in stereo equipment equalizer) can cause engine whine...... myth or fact??
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Old 03-11-2003, 01:55 PM
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Poor shielding or grounding can cause alternator whine through the speakers. It's tied to the engine RPM, but the sound does not originate from the engine compartment like PS whine. There are ofcourse a multitude of other rotational parts on the engine that can also cause whine, though the PS pump has been the more common and most noticeable source in our collective experience.

KuoH

Quote:
Originally posted by subafan
i've also heard that..... a cheap equalizer (yeah you didn't read wrong, equalizer as in stereo equipment equalizer) can cause engine whine...... myth or fact??
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Old 03-11-2003, 02:55 PM
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hmm... so does that mean this problem can be eliminated by using better grounding wire and or better shielding ? (what's shielding??)
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Old 03-11-2003, 05:03 PM
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Wires are shielded to prevent electronic interference coming from or passing into the wire. If an outside source of interference (like the ignition) passes into the speaker wire you will hear a whine coming from the speakers proportionate to the engine RPM.
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Old 03-11-2003, 05:05 PM
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subafan---- yes

I have eliminated alot of "whines" with better grounding (stereo equipment). it is best to ground all amps and EQs far away from other ground sources. use a good guage wire with a good insulation, so as not to pick up any interference. You might have to move it around a few times to find the best spot but its worth it. or you can buy a noise filter, but not needed if properly grounded. in my experience
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Old 03-11-2003, 05:54 PM
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What if you had the car parked in neutral or park and mash the gas?
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