Preliminary Work For Expansion Valve

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Porsche Panamera, 2022 Porsche Panamera, 2021 Porsche Panamera, 2020 Porsche Panamera, and 2019 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

Drain refrigerant.
> WM, 870317 DRAINING AND FILLING REFRIGERANT R134A , WM, 870317 DRAINING AND FILLING REFRIGERANT R1234YF
Remove wiper arms at the left and right.
> 924119 REMOVING AND INSTALLING WIPER ARM FOR REAR WINDOW WASHER
Remove cowl panel cover.
> WM, 508719 REMOVING AND INSTALLING COWL PANEL COVER
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