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Old 07-06-2012, 10:01 AM
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a/c problems

ok my a/c blows cold for 15mins or while driving hwy. as soon as i hit stop and go it blows hot. Opened hood and compressor clutch is off. Check connection on compressor, it has ground and 12v. But as soon as i jump the low side pressure switch the clutch engages and stays on when i reconnect the connector into switch. Already changed the low pressure switch. I opened up the clutch and did NOT find any shims in it. Could it be my compressor going out?
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Old 07-06-2012, 10:03 AM
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Check the amount of fluid. Maybe it's a little low and only gets pressure to turn on when you're at a higher rpm.


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Old 07-06-2012, 12:31 PM
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that was the first thing i did, pressure w/ clutch on is 30-40
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Old 07-06-2012, 12:31 PM
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Wouldn't the clutch be engaged if the compressor harness has both power and ground to it?
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Old 07-06-2012, 08:06 PM
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Only engages when everything is working right if you have power at your clutch and its not running and there aren't any shims then its time for a new clutch
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