Removing Solenoid/Hydraulic Valve For Camshaft Controllers

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Information

Have a mirror to hand for the following work .
Press a lint-free cloth into the timing chain housing so that the fastening screws cannot fall into the timing chain housing .
If a fastening screw falls into the timing chain housing, the engine must be removed and the lower timing-case cover must also be removed .

Unscrew fastening screws -arrows- on hydraulic valves for camshaft controllers using a socket wrench.

Fig 1: Locating Camshaft Controller Hydraulic Valves
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Carefully pull out the solenoid valves using special tool Relay Puller 9235 .