11 12 006 Removing and installing/sealing right cylinder head cover (N63O1)
Special tools required:
Necessary preliminary tasks:
- Disconnect NEGATIVE TERMINAL .
- Remove ACOUSTIC COVER
- Remove right-hand INTAKE SILENCER HOUSING .
- Remove right INTERCOOLER .
- Disconnect FUEL DELIVERY LINE .
- Detach engine wiring harness and wiring harness for injectors and set aside.
- Partially release positive wire to the alternator and set aside.
- Remove IGNITION COILS , cylinders 1-4.
- Remove HIGH PRESSURE PUMP .
- Remove INJECTORS , cylinders 1-4.
- Remove VACUUM PUMP .
- Remove CATALYTIC CONVERTER for cylinders 1-4.
Remove retaining clips (1).
Partially release the filling channel for the washer system.
Release screws (1).
Remove heat shield (2).
Release screw connections in the sequence (16 to 1).
Remove cylinder head cover.
Clean sealing surface (1 and 2) with special tool 11 4 470 .
Installation note:
Replace profile seals (1 and 2).
Installation note:
Renew sealing ring (1) for lubrication of vacuum pump.
Installation note:
It is important to insert screws (15 and 16) for exact positioning of the camshaft sensors.
Fit cylinder head cover.
Position screws (15 and 16).
Release screws again by a 90° turn.
Secure cylinder head cover in sequence (1 to 16) in two work steps.
Tightening torque 11 12 3AZ .
Assemble engine.