Installing Electric Air-Conditioning Compressor: Notes

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Clamp the high-pressure refrigerant line -6- under the longitudinal member -Z- for installing the air-conditioning compressor.

Fig 1: Removing High-Pressure Line Under Longitudinal Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Install electric air-conditioning compressor.
1. 2.1. Pre-position the air-conditioning compressor with the rear side first and turned approx. 90 degrees to the right.
  
  Fig 2: Installing Electric Air-Conditioning Compressor
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Lower the air-conditioning compressor at the front and turn it slightly to the left. Guide the air-conditioning compressor to the rear onto the engine and position it.

Fig 3: Guiding Air-Conditioning Compressor To Rear Onto Engine
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit and screw in the top front M8 fastening screw -10- used to secure the electric air-conditioning compressor to the engine bracket. Do not tighten the screw yet .

Fig 4: Identifying Air-Conditioning Compressor To Engine Screw (Top)
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Tighten the bottom front M8 fastening screw -8- used to secure the electric air-conditioning compressor to the engine to the prescribed tightening torque. Tightening torque 25 Nm (19 ftlb.)
For easier access to the screw, press the hose -9- down slightly with the tool.

Accessible via front left wheel housing.

Fig 5: Identifying Air-Conditioning Compressor To Engine Screw (Bottom Front)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Tighten the bottom rear M8 fastening screw -7- used to secure the electric air-conditioning compressor to the engine to the prescribed tightening torque. Tightening torque 25 Nm (19 ftlb.)
Accessible via front left wheel housing.

Fig 6: Identifying Air-Conditioning Compressor To Engine Screw (Bottom Rear)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Tighten the top front M8 fastening screw -10- used to secure the electric air-conditioning compressor to the engine bracket to the prescribed tightening torque. Tightening torque 25 Nm (19 ftlb.)

Fig 7: Identifying Air-Conditioning Compressor To Engine Screw (Top)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Secure the high-pressure refrigerant line to the electric air-conditioning compressor.
1. 8.1. Remove stoppers.
2. 8.2. Replace O-ring and coat with refrigerant oil.
3. 8.3. Tighten M8 fastening screw -5- used to secure the high-pressure refrigerant line -6- to the electric air-conditioning compressor to the prescribed tightening torque. Tightening torque 20 Nm (15 ftlb.) +/-3 Nm (+/-2 ftlb.)
  
  Fig 8: Installing High-Pressure Air-Conditioning Line On Air-Conditioning Compressor
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Connect low-pressure refrigerant line at the connection point in the engine compartment and secure it.
1. 9.1. Remove stoppers.
2. 9.2. Replace O-ring and coat with refrigerant oil.
3. 9.3. Tighten M8 fastening screw -3- used to secure the low-pressure refrigerant line to the low-pressure refrigerant line at the connection point in the engine compartment to the prescribed tightening torque. Tightening torque 12 Nm (9 ftlb) +/-1.5 Nm (+/-1 ftlb.)
  Counter at the low-pressure refrigerant line connection point using an open-ended wrench (a/f 22).
  
  Fig 9: Connection Point For Low-Pressure Air-Conditioning Line In Engine Compartment
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Close the holding clamp on the low-pressure refrigerant line -2- and tighten M6 fastening nut -1- to the prescribed tightening torque. Tightening torque 8 Nm (6 ftlb.)

Fig 10: Holding Clamp On Low-Pressure Air-Conditioning Line
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Secure refrigerant line from evaporator to the low-pressure refrigerant line.
1. 11.1. Remove stoppers.
2. 11.2. Replace O-ring and coat with refrigerant oil.
3. 11.3. Tighten fastening screw -3- used to secure the refrigerant line from the evaporator (chiller) -1- to the low-pressure refrigerant line -2- to the prescribed tightening torque. Tightening torque 12 Nm (9 ftlb.) +/-1.5 Nm (+/-1 ftlb.)
  
  Fig 11: Identifying Refrigerant Line From Evaporator On Low-Pressure Line
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Plug in electric connector for the air-conditioning compressor until it engages securely.

Fig 12: Plugging In Electric Connector For Air-Conditioning Compressor
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