Distribution of Oil Quantity

Air Conditioning Information
Distribution of the oil quantity in the refrigerant circuit

Note:
- Oil removed by suction must be returned to the system!
- Refrigerant oil removed from a previously run air-conditioning system may no longer be used (special category waste)!
- After the refrigerant has been removed by suction and a component has been replaced, the oil quantity must be determined and topped up by the quantity remaining in the removed component!

When individual components listed in the following table are replaced, the measured oil quantity removed by suction from the refrigerant circuit and the quantity in the component must be returned to the refrigerant circuit.

In order to use a new compressor in a refrigerant circuit that is already functional, the oil quantity for the new compressor must first be reduced by max. 60 cubic cm. The compressor oil quantity is 140 cubic cm in the scope of delivery for a new compressor.

Climatronic (Right/Left) Basic vehicle: Distribution of oil quantity in the individual air conditioning components
Component Oil quantity: low-pressure oil 8 in cubic cm
Compressor 63 cubic cm
Condenser incl. dryer 28 cubic cm
Dryer cartridge, single 14 cubic cm
Intake pipe in engine compartment 14 cubic cm
Pressure line from compressor to condenser (not given)
Pressure line in engine compartment 7 cubic cm
Evaporator 28 cubic cm
Total compressor oil quantity 140 cubic cm

Component Distribution of oil quantity in %
Compressor 45 %
Condenser incl. dryer 20 %
Dryer cartridge, single 10 %
Intake pipe in engine compartment 10 %
Pressure line from compressor to condenser (not given)
Pressure line in engine compartment 5 %
Evaporator 20 %
Total compressor oil quantity for 100 %

Climatronic 2+2 Vehicle with 2 + 2: Distribution of oil quantity in the individual air conditioning components
Component Oil quantity: low-pressure oil 8 in cubic cm
Compressor 65 cubic cm
Condenser incl. dryer 30 cubic cm
Dryer cartridge, single 15 cubic cm
Intake pipe in engine compartment 15 cubic cm
Pressure line from compressor to condenser (not given)
Pressure line in engine compartment 10 cubic cm
Front Evaporator 30 cubic cm
Rear Evaporator 30 cubic cm
Intake pipe in floor area 20 cubic cm
Intake pipe in floor area 20 cubic cm
Intake pipe for rear AC 10 cubic cm
Pressure line for rear AC 10 cubic cm
Total compressor oil quantity 240 cubic cm

Component Distribution of oil quantity rounded off in approx. %
Compressor 27 %
Condenser incl. dryer 13 %
Dryer cartridge, single 6 %
Intake pipe in engine compartment 6 %
Pressure line from compressor to condenser (not given)
Pressure line in engine compartment 4 %
Front Evaporator 13 %
Rear Evaporator 13 %
Intake pipe in floor area 8 %
Intake pipe in floor area 8 %
Intake pipe for rear AC 4 %
Pressure line for rear AC 4 %
Total compressor oil quantity for 100 %