Audi A4: Refrigerant Circuit
Audi A4 (B9) 2016-2026 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:
Turbocharger, G-Charger
Turbocharger
All procedures and components are described under:
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.21; Turbocharger;
Turbocharger, Removing and Installing.
Charge Air System
Overview - Charge Air System
1 - Charge Air Cooler
Removing and installing.
Status display
Fig. 16 Center display: frequently used symbols in the status
bar
The symbols in the status bar show you information
at a glance, such as ifa mobile device is connected
or if there is a data connection. The most
common symbols are listed in the table.
There is a data connection. The bar indicates
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