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:
Sun Visor, Removing and Installing
Special tools and workshop equipment required
Angled Screwdriver -VAS6416-
Removing
- Unclip the sun visor mount expanding cap
-1- in the direction of -arrow-
by sliding the -VAS6416- just approximately 1 mm under the cap.
Note
If the -VAS6416- is inserted farther, it will be locat
Injection System
Component Location Overview - Injection System
Component Location Overview - Engine Compartment
1 - Oxygen Sensor after Catalytic Converter -G130- with Heater for
Oxygen Sensor 1 after Catalytic Converter -Z29-
Component location. Refer to
→ Fig. "Component Location Oxygen Senso
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