General Description

The efficient operation and life of the air conditioning system is dependent upon the chemical stability of the refrigeration system. When foreign materials, such as dirt, air, or moisture, contaminate the refrigeration system, they will change the stability of the R-134a and viscosity of refrigerant oil. They will also affect pressure-temperature corrosion and abnormal wear of moving parts.

If the A/C system is opened to the air for a significant amount of time (two days or more) due to a missing component or opened refrigerant line, the receiver - dehydrator should be replaced.