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:
Electronic Steering Column Lock Control Module -J764-, Removing and
Installing
Special tools and workshop equipment required
Torque Wrench 1783 - 2-10Nm -VAG1783-
Removing
- Remove the steering column from the instrument panel central
tube and place in the driver footwell with the steering
intermediate shaft attached. Refer to
→ Chapter "Steering Column, Remo
Sunroof Frame, Removing and Installing
Sunroof Frame, Removing and Installing, Sedan
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Foam Seal - for Sunroof Frame
To complete the procedure, a second technician
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