Air conditioner pressure test is a useful procedure carried out to identify the leakage area of the system.
Air conditioner pressure test.
Why is the test important.
In my book just needs a recharge.
Diagnosis of r1234yf systems is different and not covered in this article.
The hack mechanic guide to vintage air conditioning i make the case that those a c recharge 79 95 signs you see at service stations are perilously close to fraud.
I explain the step by step.
It isn t a repair service but is essential when it comes to figuring out the gas leakage area.
Your air conditioning system holds a very high pressure between your ac compressor and condenser up expansion valve and a relatively low pressure after the expansion valve and evaporator and back to the inlet of the compressor.
Wandisy nitrogen pressure test table air conditioning refrigeration nitrogen pressure test gauge pressure test table 1 offer from 39 03 34.
Basic automotive air conditioner pressure testing most automotive refrigerant is today is r134a.
Your air conditioning system is split in half when it comes to pressure.
I go over w.
Newer vehicles may use r1234yf and this will become more common in the future.