What is r134a refrigerant oil?
Click to see full answer
In this regard, what is refrigerant oil?
Refrigerant oil is a special high-temperature formulation designed for use in cooling systems, so it is important to use the recommended lubricant for the equipment. Oil that is too heavy will not flow smoothly to all working parts.
Likewise, do I need to add oil after evacuating AC? Above all, only trained and licensed professionals should work on AC systems. That way, there's no risk of doing any damage to the system, or letting refrigerant vent into the atmosphere. To answer the question title, yes, you will have to add oil to the new refrigerant.
Secondly, is it illegal to vent r134a?
R134a is not an ozone-destroying agent, but it is a greenhouse gas, and is illegal to vent as well.
How much refrigerant oil should I add?
An average car might use a bit of oil (4 oz. ) and two cans of refrigerant R-134a (12 oz.)