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Old Apr 27, 2019 | 08:18 AM
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From: cape cod MA
Default intermittent a/c

found a nice c5 , seller tells me that a/c sometimes just quits and he has to repeatedly push the button before it will go on again . I looked through all the stickys and didnt see anything concerning this issue . Its a 2004 coupe any ideas ? Thanks

Last edited by number3; Apr 27, 2019 at 08:19 AM.
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Old Apr 27, 2019 | 09:41 AM
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First suggestion is to have it evaluated by a good local A/C shop. Car doesn't need to be lifted for evaluation, so most shops can handle it without breaking the rockers. My compressor was leaking at the center seam -- not a terribly rare condition from reading the threads here. If it's intermittent, it may be as simple as being low on refrigerant -- but that means it's leaking somewhere -- and I'd bet on the compressor...
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Old Apr 27, 2019 | 06:52 PM
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Sounds like low refrigerant and likely a leak somewhere.
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Old Apr 27, 2019 | 08:19 PM
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It is low on refrigerant and the correct amount is critical for the system to work properly. It wouldnt be low unless it has a leak
so as suggested, go to an ac shop . they can find and fix that leak and you will have a system that will cool as expected
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Old Apr 28, 2019 | 12:35 PM
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thanks , so it will blow cold and work fine but sometimes stop and if he repeatedly hits the a/c button it will come back on a blow cold ? If it was low wouldnt it be blowing warm ?
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Old Apr 28, 2019 | 01:17 PM
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These cars are very sensitive to low refrigerant. I’d start there first.
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