Thermostat Housing: Service and Repair

Thermostat housing, disassembling and assembling





Note: Routing of hoses at the coolant controller housing.

1. Plug
2. O-Ring
- Always replace
3. Gasket
- Always replace
4. Retaining clamp
- Check for tight fit
5. Thermostat housing
6. 10 Nm
7. Thermostat
- Install position: large plate downward
- Checking: heat controller in water bath
- Opening starts at approx. 80°C
- Opening ends at approx. 105°C
- Travel at least 7 mm
8. Connector
9. 10 Nm
10. Coolant temperature sensor (G62)
- With coolant temperature display sensor (G2)
- For engine control module
- If necessary, release pressure from cooling system before removing