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

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 (Engine To Directional-Control Valve)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Loosen water tube on directional-control valve at the right.
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: Pulling Water Tube Off Directional-Control Valve
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen water tube at the circulating pump.
1. 2.1. 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. 2.2. Pull water tube off the circulating pump -arrow C- .
  
  Fig 3: Pulling Water Tube Off Circulating Pump
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.