Audi A4: Rear Final Drive, Differential

 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

 Technical data

Identification data Vehicle data label Fig. 188 Vehicle identification label The vehicle identification label > fig. 188 is located in the luggage compartment under the cargo floor cover. The vehicle identification label information can also be found in the Warranty & Maintenance booklet. T