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
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Axle Alignment Information
Wheel alignment must only performed using VW/Audi-approved
alignment equipment.
Each time wheels are aligned, both front and rear wheels
must be aligned. Otherwise, the correct driving handling of the
vehicle cannot be ensured.
Note
Axle alignment should not be performed until the vehic
Audi active lane assist/lane departure warning
General information
Applies to: vehicles with Audi active lane assist
The Audi active lane assist/lane departure warning
(called only Audi active lane assist in the vehicle
displays and in the information that follows in
this Owner's Manual) can detect lane marker
lines within the limits of the syst
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