Valve Cover: Service and Repair

Removing and installing/sealing cylinder head cover (N12)

Necessary preliminary tasks:
^ Remove acoustic cover
^ Remove rod-type ignition coils.

Disconnect plug connection at ignition coils (1).
Unfasten engine wiring harness (2) at cylinder head cover.
Release ground connection (3).

Tightening Ground cable to cylinder head cover
M5 10 Nm





Disconnect plug connections (2 and 3).
If necessary, release sensors (4 and 6).
Unfasten engine wiring harness (1) at cylinder head cover.





Unfasten engine vent hose at lock (1) in direction of arrow.
Detach engine vent hose in direction of arrow.





Unfasten engine wiring harness (1) at cylinder head cover.





Disconnect plug connection (1) at coolant sensor.





Release bolts in areas (1 and 2).





Replace seal (1).
Replace all seals (2).
Installation:
Clean all sealing surfaces.





Installation:
Observe tightening sequence (1 to 13).

Tightening cylinder head cover to cylinder head
M6x30 10 Nm

Assemble engine.