Removing and installing coolant regulator

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Fig 1: Identifying Special Tool 9627

Courtesy of PORSCHE OF NORTH AMERICA, INC.

SPECIAL TOOL DESIGNATION

Item.	Designation	Special tool	Explanation
	Assembly aid	9627

Fig 2: Removing And Installing Coolant Regulator (Thermostat)

Courtesy of PORSCHE OF NORTH AMERICA, INC.

REMOVING AND INSTALLING COOLANT REGULATOR (THERMOSTAT) PROCEDURE

No.	Procedure	Instruction
1	Undo spring-band	clamps Clamp shut coolant hoses and undo spring-band clamp with pliers type MUBEA 60-190.
2	Drain coolant	Undo drain plug at water guide housing and collect coolant. Undo four hexagon-head bolts and remove housing with coolant regulator. Replace seal for drain plug. Tightening torque 10 +5 Nm (7.5 - 3.5 ftlb.).
3 + 4	Remove or install coolant regulator	Push special tool 9627 (assembly aid) downward against the spring resistance and simultaneously twist coolant regulator out of the housing guide (or into the housing guide when installing).
3 + 4	Install housing with coolant regulator	Replace housing seal and install housing with coolant regulator. Tightening torque of the housing screws 10 Nm (7.5 ftlb.).