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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Repair Information
Guidelines for Clean Working Conditions
Thoroughly clean connection points and their surrounding
areas with engine or brake cleaner before loosening and allow
the cleaned connection points to dry completely.
Clean the transmission and transmission components using
Cleaning Solution -D 009 401
Rear cross-traffic assist
Description
Applies to: vehicles with rear cross-traffic assist
Fig. 130 Sensor
Fig. 131 Center display: rear cross-traffic assist display
General information
The rear cross-traffic assist monitors the area behind
and next to the vehicle using radar sensors
at the rear corners of the vehicle. T
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