After the oil has been put back in the compressor you wanna cycle the compressor by spinning the clutch plate possibly three or four revolutions.
How to drain oil from car ac.
Here is how you will remove the refrigerant from the car s ac.
All you need to do is fill the new ac compressor with exactly the same amount that you drained out of the old ac compressor.
For example your ac compressor may require r134a refrigerant oil rather than pag 46 oil.
You will require a wrench and a hex key for the.
Put all the oil emptied out of the compressor.
It can be connected with your car s ac service port and give you a reading based on the purity status.
Now you gonna wanna add the capacity that s recommended by the manufacturer.
In this case it s seven ounces of pag oil.
The federal law also prohibits you from freeing the refrigerant in the air.
If you don t have the owner s manual look up the make and model of your vehicle online to find information about your ac compressor.