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Noise for air Conditioning

Discussion in 'Care & Maintenance' started by NinjaAsylum, Jun 9, 2009.

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    NinjaAsylum New Member

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    Noise for air Conditioning

    Whenever I turn my AC on in my car every now and then i hear this like high pitched squeeking noise and then it will go away. Most of the time if I only have it blowing on the first setting it rarely happens but when I put it on the second fan setting it does it a lot. When the heat it on it never happens. Anyone have any ideas, I know somewhere there is a small leak because over the past year the coolness of the air blowing out has gotten warmer. It is a very small leak though because my mechanic put a dye in the coolant the R134 and after a day could not find anything so I doubt the leak is making the noise since the noise isnt constant. Maybe a valve or something any help is appreciated. its a 2001 corolla
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    fishexpo101 Get Some

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    Where is the squeeking noise coming from? Under the hood or inside the cabin? Do you notice the squeeking noise if you are just running the fan (no A/C).

    If it is inside - sounds like the blower is making the noise. Might just need to pull it out to clean - if it is too far gone (bearing) - then replace it.
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    NinjaAsylum New Member

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    The noise is inside the cabin and makes it whenever the air is on weather it is just the fan or the A/C it makes the squeeking noise
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    Graphiterolla Member

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    i don't understand why it would happen in fan mode and a/c mode but not heat.

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