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Old 03-08-2009, 06:24 PM   #1 (permalink)
elanghout
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Default 2001 Air Conditioning problem

I have a 2001 Outback 2.5L and have been having problems with my air conditioning working at all times. When we have the air conditioner button pressed in on the consol, sometimes the compressor will engage and sometimes it will not. Lately, it has not been engaged more often. I have bypassed the switch by connecting a wire from the compressor to the battery to ensure the compressor still works and it did. It seems like there is a short from the ac button switch to the compressor. The light on switch does come on whether the compressor comes on or not. We checked the refrigerant level and it was at the required mark. I was thinking I might need to get behind the ac switch in the consol to analyze the problem. Has anyone had this problem before? Thanks
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Old 06-11-2009, 10:51 PM   #2 (permalink)
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Probably way late for a reply but likely it's the A/C relay... hopefully you have it fixed by now, what was it?
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Old 06-12-2009, 09:03 AM   #3 (permalink)
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Another thing in the circuit is the pressure switch. Haven't seen too many posts about those going flaky but it is another thing that could make the compressor not engage. There is also a relay for the ECU to cut out the a/c at full throttle maybe that is flaky.
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Old 07-05-2014, 07:13 PM   #4 (permalink)
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I know this is an ancient post but I have the exact same problem and was wondering if anyone has any more input.

Thanks.
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Old 07-06-2014, 01:48 AM   #5 (permalink)
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You need to get a AC test gauge set and check your pressures. More than likely there's a small leak somewhere, and the pressure is low.
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Old 07-06-2014, 01:54 AM   #6 (permalink)
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Quote:
Originally Posted by rybot View Post
I know this is an ancient post but I have the exact same problem and was wondering if anyone has any more input.

Thanks.
Many things can make a compressor not come one, a leak would be the most common reason, but electrical problems, pressure problems, and mechanical problems can also be the cause. Why don't you describe the problem you are having yourself. Do you have a volt meter? Are you comfortable diagnosing electrical circuits? Do you have access to A.C. gauges to read the pressures in your system?
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Old 07-07-2014, 09:15 AM   #7 (permalink)
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Quote:
Originally Posted by rybot View Post
I know this is an ancient post but I have the exact same problem and was wondering if anyone has any more input.

Thanks.
more than likely low refrigerant. if system pressures aren't correct the system won't turn on, or will shut itself off.
need to check refrigerant pressure.

DIY A/C Air Conditioning leak refrigerant repair for $5 or less/15 minutes or less

but of course other things can cause it.
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