Removing Camshaft Controller

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

Always check all components, such as timing chains, sprockets, locking pins and chamfers for wear or damage. Always replace faulty components .
Always replace all fastening screws for the sprockets .
Before removing the timing chains, mark the running direction with a colored pen .
Maintain the same timing chain running direction during re-installation .
Never use a prick punch or file for marking .

Information

Fix camshaft in place

To loosen the fastening screws on the camshaft controller, counter the relevant camshaft with an open-ended wrench (a/f 27) .
To prevent damage, remove the camshaft guide .

Fig 1: Overview Of Timing Chains
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Timing Chain Housing
Fastening Screw
Timing Chain
Outlet Camshaft Controller
Sealing Ring
Oil Pump
Fastening Screw
Tensioning Rail
Chain Tensioner For Timing Chain
Sealing Ring
Bearing Pin
Sprocket
Sprocket
Fastening Screw
Chain Tensioner For Drive Chain
Drive Gear Wheel For Drive Chain
Drive Chain
Guide Rail For Drive Chain
Bolt
Fastening Screw On Guide Rail For Timing Chain
Fastening Screw On Guide Rail For Timing Chain
Fastening Screws For Camshaft Controllers
Guide Rail For Timing Chain
Drive Gear Wheel For High-Pressure Pump
Intake Camshaft Controller
Valve For Outlet Camshaft Controller
Valve For Intake Camshaft Controller
Guide Rail

Relieve the timing chain.
1. 1.1. Unscrew the chain tensioner -9- . → REMOVING CHAIN TENSIONER - section on "Removing".
2. 1.2. Detach upper guide rail -23- by unscrewing the fastening screw -21- . Do not remove the guide rail.
3. 1.3. Lift up the timing chain at the camshaft controllers and remove it from the camshaft controllers -4 and 25- .
Remove camshaft controllers.

Fig 2: Identifying Camshaft Hexagons
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 2.1. Remove outlet camshaft controller -4- by unscrewing the fastening screw -22- . Counter the camshaft at the hexagon → Camshaft hexagon with an open-ended wrench when doing this.
2. 2.2. Remove intake camshaft controller -25- by unscrewing the fastening screw -22- . Counter the camshaft at the hexagon → Camshaft hexagon with an open-ended wrench when doing this.