Removing And Installing Guide And Tensioning Rails
WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
For information on how to do this, see → 153519 REMOVING AND INSTALLING TIMING CHAINS ON V6 DFI ENGINES .