17 11 040 Removing and Installing/Replacing Thermostat Cartridge

17 11 040 Removing and installing/replacing thermostat cartridge (N55)





Important!
Risk of scalding!
Only perform this work after engine has cooled down.





Recycling

Catch and dispose of drained coolant in a suitable container.

Observe country-specific waste disposal regulations.

Necessary preliminary work:
^ Drain coolant
^ Remove rear charge air duct.








Note:
For purposes of clarity, the intake plenum is shown removed.

Release and disconnect coolant hoses (1).

Unscrew nuts (2).

Tightening torque 17 10 6AZ.

Remove thermostat cartridge (3).

Installation:
^ Clean contact faces.





Assemble engine.