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:
Rear Thorax Airbag with Igniter, Removing and Installing
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Nut - Rear Thorax Airbag to Side Cushion
Removing
WARNING
Risk of injury due to involuntary deployment.
Pay att
Door Lock, Removing and Installing
NOTICE
Risk of damaging the operating cable by deforming it.
- Never sharply bend or kink the operating cable.
Removing
- Move the door window into the "closed" position.
- Remove the door inner cover. Refer to
→ Chapter "Door Inner Cover, Removing and Installing".
-&n
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