Heater Control Valve: Service and Repair

Replacing Water Valve For Heater


WARNING:
Danger of scalding!
Only perform this work after engine has cooled down.


M57 only:
Release fuel cooler and place to one side.







All:
Unfasten cable clip (1).
Disconnect connector (2).
Unfasten cable tie (3).







Pull out water valve for heater (1) towards top.
Release hose clamps (2) and detach water hoses.
Remove water valve for heater (1).

Installation:
If necessary, replace grommets or rubber mount (4).
Feed pilot pin (3) into rubber mount (4).
Fill and vent cooling system.