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:
Window Guide, Removing and Installing
Removing
- Remove the window frame trim panel. Refer to
→ Body Interior; Rep. Gr.70; Rear Door Trim Panels; Window Frame
Trim Panel, Removing and Installing.
- Remove the B-pillar trim. Refer to
→ Chapter "B-Pillar Door Trim, Removing and Installing, Rear".
-
Front Seat Belt Guide, Removing and Installing
Removing
- Remove the B-pillar lower trim panel and bracket for the upper
B-pillar trim panel. Refer to
→ Chapter "B-Pillar Lower Trim Panel, Removing and Installing".
- Push the bracket together in the direction of
-arrows- and remove the belt guide
-1- upward.
- Guide out t
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