System Identification
Vehicles equipped with R-134a A/C systems can be identified as follows:^ a sticker in the engine compartment or on the condenser indicating "R-134a" or "CFC-free refrigerant"
^ a new service valve connection on the condenser
Note
All repairs for A/C, heating and ventilation components that DO NOT affect the refrigerant system can be performed as described for R-12 equipped vehicles.
Refrigerant circuit with restrictor and accumulator
1 - Compressor
2 - Condenser
3 - Restrictor
4 - Evaporator
5 - Accumulator
Note
Arrows indicate direction of refrigerant flow.