64 11 271 Replacing water valve for heater
M52, M54 only:
Remove intake filter housing. See 13 71 000 REMOVING AND INSTALLING INTAKE FILTER HOUSING (M54)
Only perform this work after engine has cooled down.
Water valve (Duo) with auxiliary water pump:
Unlock plug connections (1) and disconnect.
Release hose clamps (2) and detach hoses.
Pull water valve for heater (3) in direction of arrow out of rubber mounts.
Installation:
Ensure guides (1) and (2) are correctly seated.
If necessary, replace rubber mount.
Water valve (Duo) without auxiliary water pump:
Unlock plug connection (1) and disconnect.
Release hose clamps (2) and detach hoses.
Pull water valve for heater (3) in direction of arrow out of rubber mounts.
Installation:
Ensure guides (1) and (2) are correctly seated.
If necessary, replace rubber mount.
Water valve (Mono) without auxiliary water pump:
Unlock plug connection (1) and disconnect.
Release hose clamps (2) and detach hoses.
Pull water valve for heater (3) in direction of arrow out of rubber mounts.
Installation:
Ensure guides (1) and (2) are correctly seated.
If necessary, replace rubber mount.
All: