Thermostat: Service and Repair

WM 195819 Removing and installing coolant regulator








Preliminary work

Preliminary work

Warning
Coolant is hazardous to health.
Risk of skin irritation.

-> Wear protective gloves and goggles.
-> In the event of contact with the skin or eyes, wash immediately with plenty of water.

1. Remove air cleaner housing.
2. Drain coolant.

Removing coolant regulator

Removing coolant regulator

Information
Collect emerging coolant in a suitable pan.

1. Remove spring clamp on the Henn coupling -1- and pull off coolant hose -2-.
2. Move coolant hose -2- out of the work area.





Coolant regulator flange

3. Unscrew two Torx(R) screws (M6) -Arrows- on the vacuum line.
4. Pull line -1- off the vacuum pump. Lay the line aside to enable easy access to parts.
5. Remove retaining bracket -2-.





Vacuum pump line

6. Unscrew three Torx(R) screws (M6) -Arrows- on the cylinder head cap.
7. Remove cover -1-.





Camshaft housing cover

8. Unscrew three Torx(R) screws (M6) -Arrows- on the coolant flange.
9. Remove coolant regulator cover and seal.





Screws on coolant regulator cover

10. Remove coolant regulator using assembly aid assembly aid 9627.





Removing/fitting thermostat insert

Installing coolant regulator

Installing coolant regulator
1. Install coolant regulator using assembly aid assembly aid 9627.





Removing/fitting thermostat insert

Information
To facilitate assembly of coolant pipes and hoses, smear with Kluber Syntheso Glep or alternatively Kluberplus S06-100 assembly gel (available in the Porsche Parts Catalogue).

2. Fit coolant regulator cover and new seal.
3. Position and tighten Torx(R) screws (M6) -Arrows-. -> Tightening torque: 10 Nm (7.5 ftlb.)





Screws on coolant regulator cover

4. Fit cap -1- with new O ring.
5. Position and tighten Torx(R) screws (M6) -Arrows-. -> Tightening torque: 10 Nm (7.5 ftlb.)





Camshaft housing cover

6. Fit retaining bracket -2- Tightening torque: 10 Nm (7.5 ftlb.)
7. Place vacuum line -1- on vacuum pump flange.
8. Position and tighten Torx(R) screws (M6) -Arrows-. -> Tightening torque: 10 Nm (7.5 ftlb.)





Vacuum pump line

9. Place spring clamp on the Henn coupling -1-.

Information
Check Henn coupling O rings and replace them if necessary.
Clean plug connection and coolant hoses before assembly.
Coat O rings and coolant hoses with Kluberplus Gel (Part No. 000.043.205.93).
Remove stoppers before fitting the coolant lines and hoses.

Information
The coolant hoses must engage audibly when pushed into the flanges (Henn coupling).

10. Position coolant hose -2- with new O ring and insert it into the coupling -1-.





Coolant regulator flange

Subsequent work

Subsequent work

Warning
Coolant is hazardous to health.
Risk of skin irritation.

-> Wear protective gloves and goggles.
-> In the event of contact with the skin or eyes, wash immediately with plenty of water.

1. Fill in coolant.
2. Install air cleaner housing.
3. Check cooling system.