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:
Spring, Removing and Installing
Special tools and workshop equipment required
Pneumatic/Hydraulic Foot Pump -VAS6179-
Spring Tensioning System -VAS6274-
Spring Tensioning System - Spindle -VAS6274/3-
Spring Tensioning System - T-Bar -VAS6274/5-
Supplement Set - Thrust Plate with Securing Plate
-VAS6274/12-2-
Supplement Set
Peripheral Camera Control Module -J928-, Removing and Installing
The Peripheral Camera Control Module -J928- is located
behind the left luggage compartment trim panel.
Note
If replacing the control module, select the "Replace control
module" function for the corresponding control module on the
Vehicle Diagnostic Tester.
Removing
- Turn off the ign
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