Audi Q7: Battery, Starter, Generator, Cruise Control

 Coolant Recirculation Pump -V50-, Function

  Note The Coolant Recirculation Pump -V50- is currently not installed in all vehicles. Refer to → Rep. Gr.19; Coolant System/Coolant; Connection Diagram - Coolant Hoses. If a parking heater is installed as optional equipment in vehicles, a Coolant Recirculation Pump -V50- m

 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 point), the amount of refrigerant oil lost and the amount of moisture penetrating is not sufficien