BMW 7 Series: Replacing Water Valve For Heater (N63)
Notes
WARNING: Scalding hazard!
Work on the cooling system may only be carried out when it has cooled
down.
NOTE: Clamp off coolant hoses on water valve.
Recycling
Coolant emerges when coolant lines are detached. Have a suitable collecting
container ready.
Catch and dispose of escaping coolant.
Observe country-specific waste disposal regulations.
Necessary preliminary tasks
- Remove LEFT INTAKE FILTER HOUSING
- Remove LEFT SUSPENSION CROSS-BRACE
NOTE: For purposes of clarity, graphic shows engine removed.
Release hose clips (1) with special tool 17 2 050 and remove coolant hoses.
Disconnect plug connection (2).
Pull water valve (3) upwards out of holders.
Installation:
Do not mix up connections of coolant hoses.
Replace damaged coolant hoses.
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Fig. 111: Identifying Water Valve, Plug Connection And Hose Clips
Installation:
Make sure rubber mount (1) and guide lug (2) are securely seated in holders
(3) on wheel arch body.
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Fig. 112: Identifying Wheel Arch Body Holders, Rubber Mount And Guide Lug
After installation
- Fill and vent cooling system and check for leaks.
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NOTE: The Telestart hand-held transmitter must be initialized when:
Hand-held transmitter is replaced
Car Access System control unit is replaced
The auxiliary heating is switched on under an ambie
WARNING: Risk of scalding!
Only perform the following repair work on an engine that has cooled down.
Follow Notes for Repair Work on Cooling System.
NOTE: Clamp off coolant hoses on independent heate
SEE MORE:
Necessary preliminary work
(cylinder bank 1 to 4)
Remove INLET AND EXHAUST ADJUSTMENT UNIT on right side.
Remove right INLET CAMSHAFT.
Remove right EXHAUST CAMSHAFT.
IMPORTANT: Used rocker arms (1) may only be reused in the same position.
Tolerance classes are not required.
Remove rocker arm (
IMPORTANT: Do not damage adjoining body components.
Minor corrections (realignment work) are permitted if the existing adjustment
options are not sufficient.
NOTE: Observe GAP DIMENSIONS.
The door must be provided with all add-on parts for correct adjustment.
Adjust screwed body components from r