Draining Coolant For Low-Temperature Cooling System 2

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: Toxic substances

Danger of poisoning or suffocation
Danger of burns to the eyes and skin

→ Ventilate the work area well.

→ Never ingest or inhale.

→ Read specific information on the Hazard Sheet.

→ Do not smoke, eat or drink in the work area.

WARNING: Hot fluid

Danger of scalding

→ Let the fluid cool down.

→ Wear personal protective gear.

Open the cap on the coolant reservoir.
Disconnect coolant hose -1- from coolant pipe -2- .
1. 2.1. Loosen the clamp -arrow- and pull off coolant hose -1- .
2. 2.2. Collect emerging coolant.
  
  Fig 1: Locating Coolant Hose And Coolant Pipe
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Drain cooling system using pressure.
1. 3.1. Close off coolant hose -1- securely using a suitable stopper -3- .
  (Example: stopper and hose clamp)
2. 3.2. Slide a piece of hose -4- onto the coolant pipe -2- and insert end of hose into a collection container.
3. 3.3. Hold the end of the hose tightly or secure it.
4. 3.4. Screw adapter K 65 from Filling Device 9696 onto the reservoir.
5. 3.5. Connect compressed air hose to the adapter K65 and apply max. 1.5 bar pressure to the cooling system.
6. 3.6. Pull off piece of hose -4- and close off coolant pipe -2- securely using a stopper.
7. 3.7. Insert coolant hose -1- into a collection container.
  Hold the end of the hose tightly or secure it.
8. 3.8. Repeat Steps 3.4 through 3.5.
  
  Fig 2: Identifying Coolant Low-Temperature System And Hoses
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.