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Air conditioner needs freon


My Coleman mach air conditioner on my pop up needs to be replaced, per a friend. He said when the freon is gone, so is the unit. Is their a part that can be replaced and just add freon.

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  • Thomas Malailua
    Thomas Malailua May 11, 2010

    it could be that your generalizing your conversation with your friend abit,but its not exactly true that when the freon is gone you need to replace the unit .heres why.it only takes an once or so to have leaked and it will not cool properly,so in some cases you can top it off and it will cool again.but by law this can only be done if you are tring to find the leak.which can be very hard to do.so you top off ,look for leak,none found and in most cases it will last a season.there is a higher probability that the gas will leak out in an system that's not being used,because the gas equalizes and there is pressure on the low side that's usually in a vacuum while operating.now another way that your unit could be shot,is if it was empty[or near empty]for a while then moisture contaminates the sealed system.you can open it up and replace the dryer,but if 134a gas, it has low tolerance for moisture and can be a problem.so you may have to pay a technician just to try but they could not grantee the results.if its 134a system you can buy that gas at walmart and try to charge your self.the gas goes in on the low side,which is the fatter copper line at the compressor.you would have to get a line tap from an appliance store to get into the system though

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If the system runs you will first need to add freon to the system (make sure it the right freon) Just enough to find leak. After you find leak and repair evacuate the entire system and weigh in charge. Hope this helps.

Posted on Feb 12, 2009

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