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Repairing the air conditioning system - engine compartment > < Refrigerant R134a
Refrigerant oil
   
Refrigerant oil
As refrigerant oil is strongly hygroscopic (it absorbs humidity), protect open cans against penetrating humidity and immediately seal tight after use.
  Note
t  Refrigerant oils from the containers which were opened for a longer period of time, cannot be used.
t  Because of its chemical properties, refrigerant oil must not be disposed of with engine oil or gearbox oil. The refrigerant oil must be disposed of as oil of unknown origin.
t  The total volume of refrigerant oil is contained in the spare part-compressor.
AC compressorFilling capacityPart No. of the refrigerant oil
6Q0 820 803 B100 ± 10 cm3G 052 300 A2
6Q0 820 803 D140 ± 10 cm3 
6Q0 820 803 J,P80 ± 10 cm3 
6Q0 820 80880 ± 10 cm3 
6Q0 820 808 B,C,D,E,F,G80 ± 10 cm3 

   
Oil distribution
The oil, which before the first activation of the air conditioning system was located in the compressor's oil pan, is distributed as follows in the refrigerant circuit:
t  Compressor
approx. 50 % 
t  Condenser
approx. 10 % 
t  Air intake hose
approx. 10 % 
t  Evaporator
approx. 20 % 
t  Fluid reservoir
approx. 10 % 

   

Repairing the air conditioning system - engine compartment > < Refrigerant R134a