Audi A4: Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a
Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a
- General Information
- Flushing Circuit Block Diagrams
- Electrically Driven A/C Compressor, Rinsing (Remove Refrigerant Oil)
- Adapter for Assembling Flushing Circuit
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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
Flushing Circuit Block Diagrams
Note
The arrows in the following illustrations show the direction
of refrigerant flow during flushing (refrigerant flows in
opposite direction of flow when Air Conditioning (A/C) system is
Electrically Driven A/C Compressor, Rinsing (Remove Refrigerant Oil)
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:
Sill Panel, Removing and Installing
Front Sill Panel Strip, Removing and Installing
Special tools and workshop equipment required
Trim Removal Wedge -3409-
Omega Clip Tool -T40280-
Removing
- Move the front seat all the way back.
- Remove the instrument panel side cover. Refer to
→ Chapter "Instrument Panel Side C
Traffic jam assist
Description
Applies to: vehicles with traffic jam assist
Fig. 116 Turn signal lever: button for traffic jam assist and
Audi active lane assist
Traffic jam assist supports the driver when driving
in traffic jams or in heavy traffic.
In a speed range under 40 mph (65 km/h), the
system can help to
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