Preliminary Work For Expansion Valve

1. Drain refrigerant.

   > WM, 870317 DRAINING AND FILLING REFRIGERANT R134A , WM, 870317 DRAINING AND FILLING REFRIGERANT R1234YF 

2. Remove wiper arms at the left and right.

   > 924119 REMOVING AND INSTALLING WIPER ARM FOR REAR WINDOW WASHER

3. Remove cowl panel cover.

   > WM, 508719 REMOVING AND INSTALLING COWL PANEL COVER

4. Remove refrigerant line (internal heat exchanger) -8-  from expansion valve to engine connection point -1-  .

   > 874519 REMOVING AND INSTALLING COMPRESSOR/EVAPORATOR LINE 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Unscrewing screws on expansion valve

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Unscrewing screw on evaporator coolant line