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
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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 Midrange Speaker, Removing and Installing
The Left Front Midrange Speaker -R103-/Right Front Midrange
Speaker -R104--1- are located in
the center of the front doors.
Removing and installing is identical.
Removing
- Turn off the ignition and all electrical equipment and
remove the ignition key.
- Remove the front door trim panel
Securing child safety seats to the lower LATCH anchors
Fig. 71 Rear bench seat: lower LATCH anchors
Observe the safety precautions.
In the United States and Canada, child safety
seats can be secured without safety belts using
the LATCH system. LATCH stands for Lower Anchors
and Tethers for Children. In Canada, similar
systems are called UCRA, LUAS, or
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