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:
Front Passenger Airbag
Overview - Front Passenger Airbag
1 - Connector
For Front Passenger Airbag Igniter 2 -N132-
2 - Connector
For Front Passenger Airbag Release Valve Igniter -N491-
3 - Bolts
8 Nm
Replace after removing
4 - Dual-Stage Front Passenger Airbag
With
F
Overview - Wheel Bearing
1 - Wheel Bearing Housing
Removing and installing. Refer to
→ Chapter "Wheel Bearing Housing, Removing and Installing".
2 - Bolt
80 Nm + 90º
Replace after removing
3 - Drive Axle
4 - Wheel Bearing
Wheel bearing unit, removing and installing.
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