Posted on Jul 27, 2011

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I have a 2007 grand caravan. I used one can of ac coolant this seemed to work for a couple of days, Now there is no cool air coming out and the ac clutch dosent even kick on.Is this a bad compressor? Any ideas on how to troublesoot this.

Anonymous Jul 27, 2011

The clutch won't engage most likely because there is not enough refrigerant in the system. There is a pressure switch, in series with the compressor, which opens when the pressure drops. Sounds like there is a refrigerant leak. These leaks are typically located by introducing dye into the system alond with the refrigerant.

Charlie

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Drew Z

Dodge Master 681 Answers
Posted on Jul 27, 2011

Drew Z

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Joined: Feb 21, 2010

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The ac clutch wont kick on if the refrigerant is low. If you have rear air I wouldn't expect one can to do very much for very long. You may not have lost what you put in but it may not be enough to do anything. Try a large can for SUV's with stop leak, engine running, system turned on high, while charging the system. Make sure you screw the cap back onto the port.

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