Thermostat: Service and Repair

11 53 000 - Removing and installing/replacing coolant thermostat (N52)





Warning!
Danger of scalding!
Only perform these tasks on an engine that has cooled down.





Recycling:
Catch and dispose of drained coolant.
Observe country-specific waste-disposal regulations.





Necessary preliminary tasks:
- Remove front splash guard.
- Drain coolant Service and Repair from radiator.





Release hose clamp (1) and detach coolant hose.
Release hose clamp (2) and detach coolant hose.
Unlock and detach coolant hose (3).
Unlock and detach coolant hose (4).
Disconnect plug connection (5).
Release screws (6).
Tightening torque: 11 53 1AZ 11 53 Thermostat and Connections.
Remove coolant thermostat (7).

Note:
Illustration shows coolant thermostat removed.





Assemble engine.