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
SEE MORE:
Roof Trim Panels
Overview - Headliner
Overview - Headliner, Sedan
1 - Headliner
Removing and installing. Refer to
→ Chapter "Headliner, Removing and Installing, Sedan".
2 - Clip
For vehicles with sliding sunroof
Quantity: 15
Insert in the headliner
Replace damaged or deformed cli
Refrigerant Circuit Complaints
Possible Refrigerant Circuit Concerns
Test Requirements
Electrical Equipment, vacuum system and air duct
fault-finding has not revealed any faults. Refer to Guided Fault
Finding for the A/C system ("OBD" or "Guided Fault Finding for
the A/C system"),
→ Wiring diagrams, Troubleshooting &
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