11 12 000 Removing and installing/sealing cylinder head cover (N47 D20 O1)
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IMPORTANT:
When carrying out repair work on the oil, coolant or fuel circuit, the alternator must be protected against dirt contamination.
Cover alternator with suitable materials.
Cover alternator with suitable materials.
Necessary preliminary tasks:
- Remove INTAKE SILENCER HOUSING only F10, F11, F07, F25.
- Remove acoustic cover at front (only F10, F11, F07) and rear.
- Remove bottom section of microfilter (only E9x).
- Remove tension struts, only E9x.
- Remove intake PLENUM .
- Remove all INJECTORS .
- Remove PRESSURE ACCUMULATOR .
- Release engine wiring harness in area of cylinder head cover. See ENGINE WIRING HARNESS .
Release screw (1).
Tightening torque: 11 12 5AZ .
Turn complete oil filler neck (1) clockwise by approx. 25°.
Remove oil filler neck (1) towards top.
Installation note:
Check O-ring for damage.
Release screw (1).
Unclip cable clip (2) and lay to one side.
Release screws (1 and 2).
Tightening torque: 11 12 2AZ .
Release screws (1).
Tightening torque: 11 12 2AZ .
Remove cylinder head cover by lifting it out.
Installation note:
Replace profile seals (1 and 2).
Assemble engine.
Check engine for leak tightness.