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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 Repair Information

Minimum Curing Times for Bonded Windows For safety reasons, use only non-conductive two-part adhesive when installing windshield and rear window with the materials listed below. The vehicle can only be used after the minimum curing time has elapsed. During the minimum curing time, the vehicle mu

 Condenser

The condenser conducts heat from compressed refrigerant gas to the ambient air. This condenses the refrigerant gas to fluid.   Note Depending on the version of the refrigerant circuit, the receiver/dryer is installed (integrated) either on the condenser or inside the condenser. Refer to

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