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<wimastyle@gmail.com> wrote in message
news:1162243252.166189.152040@h48g2000cwc.googlegroups.com...[color=blue]
> Hello, I own a 2004 Corolla LE. The car drives great and has since I
> bought it new from the dealer in July 2003. However, for about 1.5
> years now, I've occasionally heard a loud, high-pitched buzzing noise
> coming from (as best I can tell) the dash, somewhere behind the
> instrument panel. This noise only occurs when I'm driving on the
> highway at high speeds (usually > 65 mph). I've also noticed that it is
> more frequent during cold weather and windy days.
>
> I have absolutely no clue what could be producing this buzzing noise,
> and haven't had any luck searching the internet for similar problems. I
> took the car into the dealer last year before my warranty expired, but
> they could not reproduce the sound (they drove the car all of .9 miles)
> and therefore didn't do anything about it. I've felt the dashboard in
> many different places when this buzzing occurs to see if it's some sort
> of vibration, but as best I can tell it isn't. The noise doesn't occur
> when I have the car in neutral and rev the engine to high RPMs -- only
> when I'm actually in gear and driving somewhere.
>
> It seems to me to be some sort of either wind effect through the hood
> or loose electrical connection. Since all of my electronics seem to
> work fine, I hope it isn't an electrical problem. But the noise is
> impossible to ignore, and long drives are very painful if the noise
> occurs frequently.
>
> Any help or insight into this matter would be greatly appreciated.
>
> Thanks,
> Kevin[/color]

aside from the fact that your car is so new, my first guess would be a dried
up, or possibly kinked, speedometer cable. You could try disconnecting it
or pulling the interior cable out of the surrounding sheath to see if the
noise abates. then lubricate it well.[color=blue]
>[/color]