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Ac compressor oil(help me)

Kain

3/4 ton status
Joined
Mar 16, 2011
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Lubbock Texas
I am getting conflicting info on oil in ac compressor. Do you have to drain oil out and refill with pag oil that it calls for?
 
What are you trying to do/fix? That makes a big difference in what needs to be done on a recharge.

replacing a compressor after a failure? Replacing just one component? Just trying to refill a system?
 
Got it running and blowing cold

the clerck told me I had to drain and fill with oil . And I asked why cause that’s stupid
 
The mfr doesn't always put the correct amount of oil in a compressor.
It is always best to drain, and then refill with the oil you are using, to the correct amount.
The amount in a given compressor and the system total are not the same.
 

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