90S Quattro (Canada) V6-2.8L (AAH) (1993)
Refrigerant: Technical Service Bulletins
System Identification
Vehicles equipped with R-134a A/C systems can be identified as follows:
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a sticker in the engine compartment or on the condenser indicating "R-134a" or "CFC-free refrigerant"
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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.