Audi A4: Laws and Regulations
Audi A4 (B9) 2016-2025 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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Flushing Circuit Block Diagrams
Note
The arrows in the following illustrations show the direction
of refrigerant flow during flushing (refrigerant flows in
opposite direction of flow when Air Conditioning (A/C) system is
in operation while flushing, therefore the high pressure side of
the A/C service system is connec
Connector Housings, Releasing and Disassembling
Information on Releasing and Disassembling Connector Housings
Note
Observe general notes for repairs on the vehicle electrical
system. Refer to
→ Chapter "Vehicle Electrical System, General Repair
Information".
Always use the release tools intended for the releasing
process. Un
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