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
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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:
Tire mobility kit
Preparation
Applies to: vehicles with tire mobility kit
Read and follow the important safety precautions.
Set the parking brake.
Select the "P" selector lever position.
Check if a repair with the tire mobility kit is possible.
Using tire mobility kit
Applies to: vehicles with tire mobility kit
Battery Charger -VAS5900- Service Charge
WARNING
Risk of injury. Follow all warning messages and
safety precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
Caution
"Service charging" is not permitted for VW vehicles,
because voltage surges can damage the on-board
electronics.
The Battery -A- must
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