Installing Water Tubes For Auxiliary Heating - Water Tube From Second Heat Exchanger To Heater

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.

Secure water tube at the heater.
Information
- Before connecting the water hoses, apply suitable rubber lubricant to the flanges.
1. 1.1. Place water tube in installation position and slide onto the heater -arrow A- .
2. 1.2. Slide spring band clamp onto the connection using the assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 (-arrow B-) and align with the markings.
3. 1.3. Slacken spring band clamp -arrows C- and secure the hose.
  
  Fig 1: Securing Water Tube At Heater
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Secure water tube at the circulating pump.
Information
- Before connecting the water hoses, apply suitable rubber lubricant to the flanges.
1. 2.1. Place water tube in installation position and slide onto the circulating pump -arrow A- .
2. 2.2. Slide spring band clamp onto the connection using the assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 (-arrow B-) and align with the markings.
3. 2.3. Slacken spring band clamp -arrows C- and secure the hoses.
  
  Fig 2: Securing Water Tube At Circulating Pump
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Information

Make sure the water tube holder is installed at the correct position.

The exhaust pipe runs behind the water tube holder.
Install water tube holder.
1. 3.1. Position water tube holder -3- (-arrow-) .
2. 3.2. Tighten fastening screw -2- . → Tightening torque: 4.5 Nm (3.5 ftlb.)
3. 3.3. Tighten fastening nuts -1- . → Tightening torque: 6 Nm (4.5 ftlb.)
  
  Fig 3: Installing Water Tube Holder
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.