Thermostat: Service and Repair

WM 195819 Removing and installing coolant regulator








Preliminary work

Preliminary work

Warning:
Risk of injury from hot engine and hot engine fluids.
Danger of burns, scalding, damage to skin, injury to the eyes.

- Do not carry out work on the engine while it is hot.

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. Place a clean container under the vehicle.
2. Drain coolant.
3. Remove coolant hoses to coolant pump and thermostat; to do this, first open a spring band clamp for each hose.

Removing coolant regulator

Remove coolant regulator

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 two M6 fastening screws -1- for coolant line on crankcase. Unscrew three M6 screws on coolant regulator housing -arrow-





Undoing thermostat housing

2. Push coolant line upward and unscrew the top fastening screw -arrow-.





Thermostat housing - top left screw

3. Remove housing, take out thermostat. Collect the emerging coolant.

Thermostat insert tool





Thermostat insert tool

4. Using the assembly aid P 9627, push the springs down and twist the sheet metal tabs out of the holding slots, remove insert.





Removing/fitting thermostat insert

Installing coolant regulator

Installing coolant regulator

1. Clean the sealing faces of the housing and crankcase.
2. Insert thermostat insert into guide using the assembly aid P 9627.





Removing/fitting thermostat insert

3. Position housing cover with new seal and thermostat on crankcase and position with four M6 fastening screws.
4. Tighten the screws. - Tightening torque: 10 Nm (7.5 ftlb.)

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).

5. Fit coolant hoses.
6. Secure coolant line on crankcase. Tighten two M6 screws. - Tightening torque: 10 Nm (7.5 ftlb.)

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 coolant and bleed system.
2. Perform a test drive, adjusting the coolant level in the container if necessary (note minimum/maximum marking).