Audi A4: Laws and Regulations
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Laws and Regulations
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General Information
Note
The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries.
The effects of climate change can be seen wor
Laws and Regulations
Refrigerant Circuit, Converting R12 to R134a and Servicing
Note
For environmental reasons and on account of the
corresponding legislation, refrigerant R12 can no longer be
manufactured or
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Refrigerant Circuit
Refrigerant Circuit with Expansion Valve and Evaporator
The following illustration shows only the principle of a
refrigerant circuit, the design of the refrigerant circuit in
the respective vehicle can be found in the vehicle-specific
repair manual. Refer to
→ Heating, Ventilation and Air
Special Tools
Special tools and workshop equipment required
Used Oil Collection and Extraction Unit -SMN372500-
Tensioning Strap -T10038-
Seal Installer - Selector Shaft -T10135-
Engine/Gearbox Jack - Gearbox Support -T10337-
Torx Socket - T60 -T40087-
Clutch Module Assembly Aid -T40169-
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