Removing and installing the compressor: Installation

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NOTE: New compressors are under pressure and are filled with the required amount of oil for the refrigerant circuit. The remaining oil quantity in the individual components must therefore be taken into account.

First, open the cap on the high-pressure side and relieve the pressure from the compressor (A).
Open the oil filler screw (B) on the compressor.

Fig 1: Locating Oil Filler Screw On Compressor
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Empty approx. 80 cm³ of refrigerant oil out of the compressor and into a measuring glass. The remaining quantity of oil (approx. 120 cm³ ) remains in the compressor.
NOTE: Refrigerant oil from the compressor or refrigerant oil removed by suction from a previously run air-conditioning system may no longer be used (special-category waste).
Tightening torque for the compressor fastening screws on the engine (screws M8): 23 Nm (17 ftlb.)
Tightening torque for refrigerant line (screws M8 x 32): 23 Nm (17 ftlb.) Use fastening screws from the new compressor. Replace O-rings and wet the new rings with refrigerant oil.
Do not remove the plugs for the lines and compressor connection until shortly before installation.
Tightening torque for oil filler screw (M10 x 1): 26...36 Nm (19...25 ftlb.) Always replace the sealing ring.