Audi A4 Owners & Service Manuals

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

Audi A4 (B9) 2016-2024 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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 Fender, Removing and Installing

Special tools and workshop equipment required Pop Rivet Nut Pliers -VAS5072A- Drill Pop rivets. Refer to the Parts Catalog. Follow the safety precautions. Refer to → Body Interior; Rep. Gr.00; Safety Precautions; Safety Precautions when Working on Pyrotechnic Components. Remo

 Electromechanical parking brake

Operating the parking brake The electromechanical parking brake is used to secure the vehicle from rolling away unintentionally. The switch is located under the selector lever in the center console. It turns on when the parking brake is set. You can release the parking brake manually or automatic

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