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Blinking A/C Light & Compressor Noise? S70 1998

posted by  patrick0525 on  Wed Jul 31 00:02 CST 2002
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last visit: Sat Feb 6 09:49 CST 2010
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This morning, when I started the car I noticed that that the air condition's off switch(orange)was blinking. Is this a sign of future trouble? When I selected the air condition on switch (green) everything worked fine. The air condition was blowing nice cold air.

Also when I turn my air condition off and wait 30 seconds, I hear a high-pitched squeal from the air condition's compressor. Is this a potential issue?

Thanks
Patrick







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    Blinking A/C Light & Compressor Noise? S70 1998

    posted by  davidm on  Wed Jul 31 01:12 CST 2002
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    The lights flash for a couple minutes when there is a fault detected somewhere in the system. It's the a/c equivalent of the Check Engine light: very nonspecific. If it's persistent, it's usually related to low refrigerant. The squeal, if it's related, might indicate a compressor or belt problem...hence low compression hence the fault detection. But I'm not an a/c expert. If you have 70K on the car or more you should have your timing belt and accessory (serpentine) belt replaced.
    --
    (98 S70 T5SE misc mods, mostly lighting) (92 940GLE)







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