99 Camry A/C makes Whistle Sound

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Old 21 Aug 2006, 05:33 pm   #1 (permalink)
vicky11
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Default 99 Camry A/C makes Whistle Sound

Hi Guys,
I just observed couple days back that my A/C makes a little Whistle sound
when i put on Maximum. It works very good. Why is that making little
noise..? is that some thing that i need to fix before it will run into any
other problem.
Now a days because of summer i have been using more A/C. Please Advise
Thanks,
Vicky

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Old 21 Aug 2006, 06:44 pm   #2 (permalink)
Pszemol
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Default Re: 99 Camry A/C makes Whistle Sound

"vicky11" <vkres2@yahoo.com> wrote in message news:05addb3f16c347fa4733adc8d841daed@localhost.ta lkaboutautos.com...
> I just observed couple days back that my A/C makes a little Whistle sound
> when i put on Maximum. It works very good. Why is that making little
> noise..? is that some thing that i need to fix before it will run into any
> other problem.


Does it do this sound when you have A/C off, but the blower
set to maximum ? In other words - try to eliminate problem
with a blower motor or something like a leaf/leaves stuck in
the vents making this whistle sound... not related to A/C.

If it does the sound only when the A/C is "on" then
open the hood while the engine is running with A/C on and
try to locate the source of the sound under the hood...

But I bet it is something related with the blower motor...
A/C compressor does not run faster when you set it to
maximum - it just makes the blower to circulate more air.
Speed of the compressor is related to the rpms of the
engine, not to the setting of the electric blower motor...
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Old 15 Apr 2007, 11:01 pm   #3 (permalink)
R.E.Pasco
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Default Re: 99 Camry A/C makes Whistle Sound

Unless you've definitely pinpointed the source of the sound, have you
checked that your windows are all fully closed? I thought I had a problem in
my '99 Camry until I exercised the windows full "up." They all looked closed
but one of them was the source of the whistling sound. Ditto in my 2006
Tacoma. Good luck.


"Pszemol" <Pszemol@PolBox.com> wrote in message
news:eccutk.1v4.1@poczta.onet.pl...
> "vicky11" <vkres2@yahoo.com> wrote in message
> news:05addb3f16c347fa4733adc8d841daed@localhost.ta lkaboutautos.com...
>> I just observed couple days back that my A/C makes a little Whistle sound
>> when i put on Maximum. It works very good. Why is that making little
>> noise..? is that some thing that i need to fix before it will run into
>> any
>> other problem.

>
> Does it do this sound when you have A/C off, but the blower
> set to maximum ? In other words - try to eliminate problem
> with a blower motor or something like a leaf/leaves stuck in
> the vents making this whistle sound... not related to A/C.
>
> If it does the sound only when the A/C is "on" then open the hood while
> the engine is running with A/C on and
> try to locate the source of the sound under the hood...
>
> But I bet it is something related with the blower motor...
> A/C compressor does not run faster when you set it to
> maximum - it just makes the blower to circulate more air.
> Speed of the compressor is related to the rpms of the
> engine, not to the setting of the electric blower motor...



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