Audi Q7 Owners & Service Manuals

Audi Q7: Refrigerant Circuit Components, Replacing

Audi Q7 (4M) 2016-2026 Workshop Manual / Heating, Ventilation & Air Conditioning / Refrigerant R134a Servicing / 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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 Coolant System/Coolant

Connection Diagram - Coolant Hoses Connection Diagram - Coolant Hoses, Vehicles without Parking Heater   Note Blue = large coolant circuit. Red = small coolant circuit. Orange = coolant circuit for the charge air cooler. Brown = heating circuit. Green = coolant circuit for the transmissi

 Refrigerant Circuit, Charging with Service Station

  Note The entire refrigerant charge can be added to either the high or low pressure side. Refer to → Chapter "Refrigerant R134a Capacities, Refrigerant Oil and Approved Refrigerant Oils". The work procedure is always to be performed as described in the operating instructions for

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