Removing Front Coolant Pipe

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Hot fluid

Danger of scalding

→ Let the fluid cool down.

→ Wear personal protective gear.

Drain off coolant for high-temperature cooling system. → 193817 DRAINING AND FILLING COOLANT (INCLUDES BLEEDING)
Remove poly-V-belt for compressor and poly-V-belt. → 137819 REMOVING AND INSTALLING DRIVE BELT
Remove front left coolant pipes. → 196120 REMOVING AND INSTALLING COOLANT PIPES
Loosen screws for poly-V-belt pulley for the coolant pump using PIN WRENCH 3212 as a counter-hold tool.
Unscrew screws and remove poly-V-belt pulley.

Fig 1: Identifying Coolant Pump Poly-V-Belt Pulley
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove front coolant pipe.
1. 5.1. Disconnect electric plug connection -3- on the coolant temperature sensor.
2. 5.2. Remove coolant hoses -1, 4- by lifting up the retaining clips.
3. 5.3. Remove upper coolant hose by loosening the hose clamp -2- .
4. 5.4. Loosen hose clamp -5- .
5. 5.5. Unscrew screws -arrows- and remove the front coolant pipe.
  
  Fig 2: Locating Front Coolant Pipe Screws
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.