A/C refrigerant system, capacities

WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

For refrigerant R134a and refrigerant oil capacities, refer to → Refrigerant R134a/Refrigerant Oil Capacities and Specifications

NOTE:

Always fill the refrigerant circuit as far as the upper tolerance limit (some refrigerant remains in the filler hoses).
The refrigerant circuit is only to be filled with approved refrigerant oils .
On the Audi RS4, a condenser with a lesser internal volume is installed , therefore note the lower refrigerant R134a capacity for this vehicle → Refrigerant R134a/Refrigerant Oil Capacities and Specifications
Different refrigerant oils are specified for "Zexel", "Sanden" and "Denso" compressors → Refrigerant R134a/Refrigerant Oil Capacities and Specifications .
The refrigerant oil "G 052 300 A2" is currently to be used for "Denso" compressors → Refrigerant R134a/Refrigerant Oil Capacities and Specifications .
Refrigerant oil (PAG oil) from containers which have been open for a long time absorb moisture and is no longer to be used.
For further information, refer to → 87 - AIR CONDITIONING