Technical Values - Cooling

Distributor housing, coolant connection piece:

Fig 1: Overview Of Engine Cooling

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fastening screw, M8 x 35 → Tightening torque: 33 Nm (24 ftlb.)
Fastening screw, M8 x 50 → Tightening torque: 33 Nm (24 ftlb.)
Fastening screw, M8 x 70 → Tightening torque: 33 Nm (24 ftlb.)
Fastening screw, M6 x 25 → Tightening torque: 13 Nm (9.5 ftlb.)
Screw, M6 x 50 → Tightening torque: 13 Nm (9.5 ftlb.)
Drain plug, M14 x 1.5 for coolant in coolant regulator housing - replace sealing ring → Tightening torque: 25 Nm (19 ftlb.)
Fastening screw, M8 x 25 → Tightening torque: 33 Nm (24 ftlb.)
Fastening screw, M6 x 25 → Tightening torque: 13 Nm (9.5 ftlb.)
Fastening screw, M6 x 50 → Tightening torque: 13 Nm (9.5 ftlb.)
Screw, M6 x 25 → Tightening torque: 13 Nm (9.5 ftlb.)
Fastening screw, M6 x 25 → Tightening torque: 13 Nm (9.5 ftlb.)
Fastening screw, M6 x 25 → Tightening torque: 13 Nm (9.5 ftlb.)

Location	Description	Type	Basic value	Tolerance 1	Tolerance 2
Drain plug to coolant guide	Plastic plug with O-ring	Tightening torque	3 Nm (2 ftlb.)
Bracket for coolant pump to crankcase	External Torx screw, M6 x 20	Tightening torque	13 Nm (9.5 ftlb.)

Radiator, coolant pipes, reservoir:

Location	Description	Type	Basic value
Radiator to body	Screw, M8 x 30	Tightening torque	23 Nm (17 ftlb.)
Radiator to body	Screw, M8 x 50	Tightening torque	23 Nm (17 ftlb.)
Holder for middle radiator	Screw, M6 x 16 and M6 nut	Tightening torque	10 Nm (7.5 ftlb.)
Holder for coolant pipes (front-axle carrier, rear)	Screw, M6 x 45	Tightening torque	10 Nm (7.5 ftlb.)
Holder for coolant pipe (front-axle carrier, front)	Screw, M6 x 35	Tightening torque	10 Nm (7.5 ftlb.)
Coolant pipe (front underbody)	Screw, M6 x 12	Tightening torque	10 Nm (7.5 ftlb.)
Holder for coolant pipe (radiator connection)	Screw, M6 x 35	Tightening torque	10 Nm (7.5 ftlb.)
Coolant reservoir to body	Screw, M6 x 25	Tightening torque	10 Nm (7.5 ftlb.)
Temperature sensor in coolant pipe	M14 x 1.5 - replace seal	Tightening torque	35 Nm (26 ftlb.)