Replacing the heater valve for the heating and air-conditioning unit (S63) (X5 M)
WARNING:
Risk of burning!
Repair work on the cooling system may only be carried out when it has cooled down.
Repair work on the cooling system may only be carried out when it has cooled down.
NOTE:
Disconnect the COOLANT HOSES
on the heater valve.
Recycling
Coolant emerges when coolant lines are detached. Have a suitable collecting vessel ready.
Catch and dispose of escaping coolant.
Observe country-specific waste disposal regulations.
Necessary preliminary work:
- Remove INTAKE SILENCER HOUSING .
- Remove COOLANT EXPANSION TANK .
NOTE:
Engine is shown removed for purposes of clarity.
Disconnect plug connection (1).
Release hose clamps (2, 3) and detach coolant hoses.
Installation note:
Do not mix up connections of coolant hoses.
Replace damaged coolant hoses.
Installation note:
Make sure that the rubber mounts (1) on the heater valve are securely seated in the bracket on the side member (2) to prevent a development of noise.
After installation:
- Fill and vent COOLING SYSTEM and check for leaks