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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 Incorporating the Heating and A/C System in the Coolant Circuit

Notes for Incorporating the Heating and A/C System in the Coolant Circuit   Note In vehicles with a diesel engine with and without a "parking heater", an Auxiliary Heater Control Module -J604- and an Auxiliary Heater Heating Element -Z35- are installed. Refer to → Chapter "Auxiliar

 A/C System Control and Regulation Components in Vehicle Interior

A/C System Control and Regulation Information   Note Depending on vehicle equipment, there are different versions of the A/C system for the Audi Q7. Make sure to use the correct version and pay attention to the allocation of different components. Refer to → Chapter "A/C System Ver

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