Removing Pipes For Engine Oil Cooler

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.

Remove return pipe for engine oil cooler:

Drain coolant. → 193817 DRAINING AND FILLING COOLANT (INCLUDES BLEEDING)
Remove air-conditioning compressor. → 873419 REMOVING AND INSTALLING AIR-CONDITIONING COMPRESSOR
Place a drip tray under the engine.
Disconnect coolant hose -arrow- from the engine oil cooler and drain coolant.

Fig 1: Locating Engine Oil Cooler Coolant Hose
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove coolant pipe.
1. 5.1. Unscrew screws -1- and -2- for the coolant pipes. Loosen hose clamp -3- .
2. 5.2. Swivel the coolant pipe slightly to the left -arrow- and pull it off the upper coolant pipe.
  
  Fig 2: Locating Coolant Pipe
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Remove Supply Pipe For Engine Oil Cooler:
Unscrew screws -arrows- and remove holder for air-conditioning compressor.

Fig 3: Locating Air-Conditioning Compressor Holder
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Pull the coolant hose off the engine oil cooler, unscrew fastening screws -2- and remove the coolant pipe.

Fig 4: Identifying Engine Oil Cooler Coolant Hose
Courtesy of PORSCHE CARS NORTH AMERICA, INC.