audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

A/C System - Servicing R134a|Page 3885 > < A/C System - Servicing R134a|Page 3883
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Refrigerant: Technical Service Bulletins
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.

A/C System - Servicing R134a|Page 3885 > < A/C System - Servicing R134a|Page 3883