Removing Water Tube For Auxiliary Heating - Water Tube From Directional-Control Valve To Engine

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.

Fig 1: Identifying Water Tube Installation Position (Directional-Control Valve To Engine)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Loosen water tube on directional-control valve at the left.
1. 1.1. Loosen spring band clamp using assembly pliers for spring band clamps, Cayenne hose connections Nr.72-1 (-arrows A-) and push it down off the connection -arrow B- .
2. 1.2. Pull water tube off the directional-control valve -arrow C- .
  
  Fig 2: Loosening Water Tube On Directional-Control Valve At Left
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Swivel out water tube -arrow- and remove it.

Fig 3: Removing Water Tube
Courtesy of PORSCHE CARS NORTH AMERICA, INC.