Cayenne GTS (9PA) V8-4.8L (2008)
1. Release connector -arrow A- and pull it off the directional-control valve -arrow B-.
2. Unscrew fastening screw -2- and remove water tube holder -1-.
3. Drill out blind rivet -1- at the water tube.
4. Remove water tube holder.
4.1. Screw off both fastening nuts -1-.
4.2. Unscrew fastening screw -2-.
4.3. Remove water tube holder -3- ( -arrow- ).
5. Loosen water tube at the heater.
5.1. Undo spring band clamp using assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 ( -arrows A- ) and push down off
the adapter -arrow B-.
5.2. Pull water tube down off heater -arrow C- and remove it.