Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a

Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a

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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

 Flushing Circuit Block Diagrams

  Note The arrows in the following illustrations show the direction of refrigerant flow during flushing (refrigerant flows in opposite direction of flow when Air Conditioning (A/C) system is

 Electrically Driven A/C Compressor, Rinsing (Remove Refrigerant Oil)

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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 Front Peripheral Camera -R243-, Removing and Installing

The Front Peripheral Camera -R243- is installed in the radiator grille under the Audi rings. Removing - Turn off the ignition and all electrical equipment and remove the ignition key. - Remove the front bumper cover. Refer to → Body Exterior; Rep. Gr.63; Front Bumper; B

 Transmission, Transporting

Special tools and workshop equipment required Shop Crane -VAS6100- Lifting Tackle -3033- Hook And Support Tool -3311- with Hook And Support Tool - Bolt -3311/1- Retaining Strap -T40155-   Caution Risk of damaging the transmission by mixing ATF and transmission fluid (MTF) through the

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