Thermostat: Service and Repair

Thermostat, removing and installing





Special tools, testers and auxiliary items required
^ Refractometer T10007
^ Drip tray V.A.G 1306
^ Torque wrench V.A.G 1331
^ Spring-type clip pliers VAS5024

Removing

Note:
^ Always replace seals and gaskets.

- Drain coolant.





- Pull coolant hose off pipe union - 3 -.
- Remove securing bolts - 4 - of union - 3 - and remove union - 3 - with thermostat - 1 -.

Installing
Installation is performed in the reverse order. When installing, note the following:
- Moisten new O-ring - 2 - with coolant.
- Fit pipe union - 3 - with thermostat - 1 - into engine block.

Note:
^ The brace on the thermostat must be almost vertical.

- Tighten securing bolts - 4 -.
- Tightening torque: 15 Nm
- Fill with coolant.