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Power unit > < Refrigerant oil

Golf Mk4

Oil distribution
Oil distribution
The oil, which is located in the sump of the air conditioner compressor before the air conditioner system is switched on for the first time, distributes itself through the refrigerant circuit as follows:
t  Compressor approx. 50%
t  Condenser approx. 10%
t  Suction hose approx. 10%
t  Evaporator approx. 20%
t  Receiver approx. 10%
   

Power unit > < Refrigerant oil