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AC Oil Levels

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Old Jul 24, 2010 | 10:33 AM
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Eddie 70's Avatar
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Default AC Oil Levels

The o-ring going into the condenser started leaking on my sons car and he lost his charge on his AC. We pulled the bad o-ring and replaced it. I am getting ready to recharge the system. I am pulling a vacuum on it right now. How do I know if there is enough oil in the system or not?

Thanks for any help that can be given.
Eddie
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Old Jul 24, 2010 | 07:31 PM
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Oil moves alaong with the refrigerant If the amount of oil around the leak is small then don't worry just charge it up. Make sure youdo what is called a triple evacuation, what is done is pull a vacuum for about 2 hrs then break with nitrogen or refrigerant to 0 psig pull a second vacuum for about and 1 hour and break the vacuum to 0 psig then a third for about 1/2 hour and charge to proper amout. The reason is the POE oil absorbs moisture.
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