Hi,
I can understand why you want to try and hold the refrigerant because that is pretty costly these days. Any time you are opening the system you want to do an evac just so you can pull it into a vacuum to ensure you don't have any leaks. Also, this will ensure there is no moisture in the system.
Also, if the compressor failed, you may want to replace the receiver dryer and condenser because if there was any metal let go by the compressor it would be caught in these two components.
Here is what I would suggest is getting a pump that has a recovery bottle attachment on it so that you can retain the Freon in the system. Most parts stores have these types of pumps and you can rent them, otherwise most shops have them. You can work out a deal with the shop that they will evacuate it for you and record how much they pulled out and then pull it into a vacuum and recharge it after you are finished and charge for any difference. This way you don't have to worry about having the system open and you can replace any parts that you need to and then have it charged to the proper level.
However, if you want to proceed with your current course, just make sure you measure how much oil comes out of the old compressor and you need to empty the new one (assuming it comes with oil) and then fill it back with the amount that came out of the old one. This is called balancing the system.
Let me know if I missed something.
https://www.2carpros.com/articles/re-charge-an-air-conditioner-system
https://www.2carpros.com/articles/replace-air-conditioner-compressor
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Sunday, June 9th, 2019 AT 2:59 PM
