Draining Coolant

→ Avoid contact with caustic fluid.

→ Wear personal protective gear.

→ Ensure that there is good ventilation.

→ If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.

Information 

• Check O-rings on the plug-in couplings and replace them if necessary. 
• Clean plug connection and coolant hoses before assembly. 
• Coat O-rings and coolant hoses with Kluber Plus Gel (Part No. 000.043.205.93). 
• Remove stoppers before fitting the coolant lines and hoses. 

→ Let the fluid cool down.

→ Wear personal protective gear.

1. Open the cap on the reservoir -1-  and remove it.
   Fig 1: Identifying Coolant Reservoir Cap

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Remove rear underbody panel.

   → 519419 REMOVING AND INSTALLING COVER FOR REAR UNDERBODY .

3. Place a suitable container under the vehicle to collect coolant at each of the drain outlets.
   1. 3.1. Secure the container on a transmission jack with a tension strap.
4. Unscrew drain plugs on the two coolant pipes -arrow-  .
   1. 4.1. Re-fit the drain plugs with new sealing rings after draining.

      → Tightening torque: 10 Nm (7.5 ft. lb.) 

      Fig 2: Locating Coolant Drain Plug

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. Open supply and return hoses -2-  on the coolant pipes.
   1. 5.1. To do this, first remove the spring clamps -1-  on the Henn couplings and then pull the hoses apart.
      Fig 3: Identifying Coolant Hose Henn Coupling

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Remove coolant hoses at the radiators.
   1. 6.1. To do this, first pull off the spring clamps and then the hoses.
7. Clean coolant connections.
   1. 7.1. Re-fit the spring clamps after cleaning the connections.