Working On Refrigerant Circuit

In some countries, other qualifications are required when opening the refrigerant circuit.

Further Information

• Information on test equipment and tools for repairs in vehicles with A/C can be found in ELSA. Refer to TOOLS AND TESTING EQUIPMENT (R134a) or Refrigerant R1234yf Servicing.
• Information on performing repairs on vehicles with A/C and handling refrigerant can be found in ELSA. Refer to A/C System, General Information (R134a) or Repair Information (R1234yf) .
• The conditions and procedure for flushing with refrigerant can be found in ELSA under REFRIGERANT CIRCUIT, CLEANING (R1234yf) or REFRIGERANT CIRCUIT, REMOVING CONTAMINANTS (R134a) .
• Information regarding work using the A/C Service Station on vehicles with A/C. Refer to Working with A/C Service Station (1 of 2) (R1234yf) / Working with A/C Service Station (2 of 2) (R1234yf) or Working with A/C Service Station (R134a) .
• Under certain conditions, the desiccant bag no longer needs to be replaced each time the refrigerant circuit is opened on A/C systems with refrigerant R134a. Refer to COMPONENTS, REPLACING (R134a) .
• For A/C systems with refrigerant R1234yf, the desiccant bag/dryer cartridge must be replaced each time the refrigerant circuit is opened. Refer to COMPONENTS, REPLACING (R1234yf) .