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
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Finishing
Reinstall any covers on the wheel bolts that
were removed.
Store the vehicle tool kit in its designated
place.
If the removed wheel does not fit in the spare
wheel well, store it securely in the luggage
compartment.
Check the tire pressure on the installed wheel
as soon as possible.
Corre
Bumper Cover Bracket, Removing and Installing
Follow the safety precautions. Refer to
→ Body Interior; Rep. Gr.00; Safety Precautions; Safety
Precautions when Working on Pyrotechnic Components.
Removing
- Remove the impact member. Refer to
→ Chapter "Impact Member, Removing and Installing".
CAUTION
Pyrote
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