Removing Coolant Regulator

Unscrew hexagon-head bolts. -20-
Remove cover on thermostat insert. -19-
Sealing ring must always be replaced. -9-
Replace the thermostat insert. -21-

Fig 1: Identifying Coolant Regulator On 3.6-Litre DFI Engine
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. Fastening screw → Tightening torque: 10 Nm (7.5 ft lbs.)
2. Connecting piece for reservoir
3. Adapter
4. Seal
5. Coolant pipe
6. Coolant pipe
7. Fastening screw → Tightening torque: 7 Nm (5 ft lbs.)
8. Coolant pipe
9. Sealing ring
10. Coolant temperature sensor
11. O-ring must always be replaced
12. Check that retaining clip is seated securely
13. Fastening screw → Tightening torque: 10 Nm (7.5 ft lbs.)
14. Retaining clip
15. Coolant pipe
16. Coolant pipe
17. Coolant pipe
18. Coolant pipe
19. Cover on thermostat insert
20. Fastening screw → Tightening torque: 8 Nm (6 ft lbs.)
21. Coolant regulator
22. Coolant pipe
23. Check spray-on seal on coolant pump
24. Fastening screw → Tightening torque: 8 Nm (6 ft lbs.)
25. Coolant pump pulley
26. Fastening screw for coolant pump