Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit Components, Replacing

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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

 Leaking or Damaged Components except A/C Compressor, Reservoir or Receiver/Dryer

The refrigerant circuit was completely empty (for example with larger leak or cracked hose)   Note In the event of only a minor leak with slow escape of refrigerant (e.g. at a small leakage

 Compressor, Replacing without the Need for Flushing Refrigerant Circuit

  Note Cleaning the refrigerant circuit means flushing with refrigerant R134a. Refer to → Chapter "Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a". If a faulty A/C

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 Front Lid

Overview - Front Lid Overview - Hood 1 -  Adjusting Buffer Adjusting. Refer to → Chapter "Height, Adjusting using Adjusting Buffer". 2 -  Striker Removing and installing. Refer to → Chapter "Striker, Removing and Installing". Adjusting. Refer to → Chap

 Connection for External Multimedia Devices

Overview - Connection for External Multimedia Devices There are several External Audio Source Connection -R199- versions: USB Charging - AUX IN, UE4 AMI (Audi music interface) - USB connection (quantity 2) - AUX IN/ASI, UI2/UE7 "USB charge" and "USB connection" are in the USB Connection Basep

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