Valve Cover: Service and Repair

11 12 000 Removing and installing/sealing cylinder head cover (N18)







Necessary preliminary tasks:
- Unclip ignition wiring harness on cylinder head.
- Remove rod-type ignition coils.
- Remove intake silencer housing.







Release clamps (2) and pull off gaiter (3).

Installation note:
Install gaiter (3) dry and free from grease.







Unclip engine wiring harness with brackets (1).







Unclip engine wiring harness bracket (1).
Disconnect plug connection (2).
Do not disconnect air duct (3) from cylinder head cover.
Remove cylinder head cover with air duct (3).







Release oxygen sensors on cylinder head (1).







Detach ground cable at screw connection (2).
Undo cylinder head cover bolts in the sequence 13 to 1.







Replace gasket (1).
Replace all gaskets (2).

Installation note:
Clean all sealing surfaces.

Installation note:
Seal all edges and contact points on the cylinder head with Drei Bond 1209sealing compound.

NOTE: Pictures show N12.







Secure bolts for cylinder head cover in sequence 1 to 13.
Tightening torque: 11 12 4AZ.







Assemble engine.