System Identification

A/C REFRIGERANT SYSTEM (R-134A), 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 high pressure line T-connector


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.