How to Replace AC compressor , and How to properly recharge the AC system properly.

How to properly Replace a/c compressor and properly recharge the system after pulling the vacuum to remove the humid outside air and prevent the system from not working properly. Also show and explain why the difference on the pressures on the gages and why they should be at certain pressures, and the importance of adding Pag oil to prevent catastrophic premature failure to the new compressor. I recommend this specific tools to get the job done.

O-Ring kit.

Vacuum Pump and manifold gages kit.

Refrigerant oil Injector.

A/c can valve adaptor.

Find AC leak kit.

Affordable plus quality recomended Tool set.

Refrigerant R134a.

Pag oil.