auto AC, how to remove oil?

If a system has received refrigerant + oil charges over time and will no longer take a full refrigerant charge because of the accumulation of oil in the system, how to you remove the oil? Will a vacuum pump remove any of this as it takes the gas out of the lines?
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vacuum pump will not remove excess oil
Just curious... how many quarts of oil did you put in the system?? Oil should be a 1 time thing. If the system is *that* full of oil, then its probably going to have to be opened up, and either have the oil pumped out or dumped out, then purge the entire system with N2 to get any remaining oil out, and start from scratch. This will best be done by a professional...and its probably not gonna be cheap. BTW, it would ne be a good idea to energize the compressor with that much oil in the system as oil *DOESN'T* compress and you will have castastrophic damage to the compressor...and *that* will run into some serious money.
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inetquestion posted for all of us...

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