Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit, Flushing with Compressed Air and Nitrogen

Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Refrigerant Circuit, Flushing with Compressed Air and Nitrogen

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 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

 Refrigerant Circuit, Flushing

  Note In the case of vehicles on which the refrigerant lines have no threads for connection of Adapter Set -1785-. Use for example a flushing gun with rubber end piece or an adapter from th

 Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a

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 Seat Forward/Back Adjuster, Removing and Installing

Seat Forward/Back Adjuster, Removing and Installing, Seat Forward/Back Adjustment Handle Removing - Unscrew the front seat and tip to the rear with the wires attached. Refer to → Chapter "Front Seat, Removing and Installing". - To release the handle push a flat-head screwdriver b

 Component Location Overview - Antenna Systems

Component Location Overview - Antenna Systems, Sedan, USA 1 - Antenna Amplifier -R24- Removing and Installing. Refer to → Chapter "Antenna Amplifier -R24-, Removing and Installing, Sedan".      TV Antenna Amplifier 1 -R82- Removing and Installing. Refer to

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