Removing Coolant Regulator Cover

→ Let hot components cool down.

→ Wear personal protective gear.

→ Let the fluid cool down.

→ Wear personal protective gear.

Information 

Specifications for wrench sizes (a/f specifications) for screw heads are described as follows:

• Torx screws: (E..) for external Torx, (T..) for internal Torx. 
• Hexagon-head bolts (internal and external hexagon): Wrench size (a/f) 

Information 

• Grease O-rings, hoses and lines in the cooling system with Kluberplus Gel (Part No. 000.043.205.93). 

1. Unscrew top external Torx screw (E10, M6 x 50) -1-  on the cover from inside the passenger compartment. Leave the screw in the cover and remove it and the cover later.
   1. 1.1. Insert for torque wrench 9792  can be used for this.
   Fig 1: Identifying Coolant Regulator Housing

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Pull off coolant hose -2-  .
   1. 2.1. Pull off spring clamp on the Henn coupling on the coolant hose.
   2. 2.2. Pull off the coolant hose and refit the spring clamp immediately.
   3. 2.3. Collect emerging coolant in a clean container.
   4. 2.4. Check O-ring on Henn coupling and replace it if necessary.
   Fig 2: Identifying Coolant Pump

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Disconnect coolant pipe.
   1. 3.1. Unscrew external Torx screws (E10, M6 x 12) -3-  on the coolant regulator housing and crankcase.
4. Unscrew two external Torx screws (E10, M6 x 50) -1-  on the underbody and remove the coolant regulator cover by pulling it downwards.
   1. 4.1. Collect emerging coolant in a clean container.
   Fig 3: Identifying Coolant Regulator Housing

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. Remove old profile seal and clean sealing faces.