Preliminary Work

1. Remove heat shield for turbocharger. > WM, 261219 REMOVING AND INSTALLING HEAT SHIELD
2. Only for cylinder bank 1-4:  Remove temperature sensor for fan.
   1. 2.1  Unclip connector -1-  .
   2. 2.2  Unscrew screw -2-  and remove temperature sensor -3-  .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Temperature sensor for fan