Removing Coolant Regulator

→ Let the fluid cool down.

→ Wear personal protective gear.

1. Pull off coolant hose -1-  at the left-hand side of the engine compartment.
   1. 1.1. Remove spring clamp -2-  and pull coolant hose out of the coolant regulator housing.
   2. 1.2. Re-fit spring clamp.
   3. 1.3. Check O-ring on the coolant hose and replace it if necessary.
      Fig 1: Identifying Left Coolant Hose Of Engine Compartment

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Unscrew fastening screws -3-  and remove housing -1-  .

   Remaining coolant can continue to drip out. 

   Fig 2: Identifying Coolant Regulator Housing Fastening Screw

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Remove coolant regulator -1-  .
   1. 3.1. Replace seals -2-  .
      Fig 3: Identifying Coolant Regulator And Seals

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.