Audi A4: Refrigerant Circuit
Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit
- A/C System Repair Information
- Using Service Station
- Refrigerant Circuit, Flushing with Compressed Air and Nitrogen
- Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a
- Refrigerant Circuit, Determining Leaks
READ NEXT:
A/C System Repair Information
Air conditioning systems designed for refrigerant R12 are
only to be filled with refrigerant R134a if certain requirements
are fulfilled. Refer to
→ Chapter "Refrigerant Circuit, Convertin
General Information
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- I
SEE MORE:
Windshield washer
system
Fig. 163 Motor compartment: washer fluid reservoir cap
The windshield washer reservoir contains the
cleaning solution for the windshield/rear window*
and the headlight washer system. The reservoir capacity
can be found.
To reduce the risk of lime scale deposits on the
spray nozzles, use clean wat
Adjusting adaptive cruise control
Applies to: vehicles with Audi adaptive cruise control
You can adjust the system individually. The settings
depend on the vehicle equipment.
Applies to: MMI: Select on the home screen:
VEHICLE > Driver assistance > Audi adaptive
cruise control.
Possible settings:
Applies to: vehicles with
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