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:
Settings
Telephone settings
Applies to: vehicles with telephone
Applies to: MMI: Select on the home screen:
PHONE > .
The following options may be possible, depending
on your mobile device:
Decline with text message
Edit voicemail number
Switching between two mobile devices
Requirement: phone 1 an
Fender Brace, Removing and Installing
Removing
- Remove the front wheel housing liner. Refer to
→ Chapter "Front Wheel Housing Liner, Removing and Installing".
- Remove the front wheel spoiler. Refer to
→ Chapter "Front Wheel Spoiler, Removing and Installing".
Left Side of Vehicle
- Free up the wiring harne
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