Thermostat: Service and Repair

Volkswagen does not provide a procedure to service this component.






Located on thermostat housing
15. A/C Cut-out Thermal Switch F163 and 3rd Speed Coolant Fan Control Thermal Switch F165, plugged off if without A/C.
16. Engine Coolant Temperature sensor G62
17. After-run Coolant Fan Control Thermal Switch F87 for Engine Coolant Temperature sensor G2






27. Thermostat housing
30. Cylinder head






1. Thermostat housing
2. 10 Nm (7 ft lb)
3. Coolant thermostat
Installed position: breather slot/valve uppermost