11 12 006
Necessary preliminary tasks:
Remove acoustic cover
Disconnect negative battery terminal
Release battery positive terminal
Remove right intercooler
Remove intake filter housing
Disconnect fuel delivery line
Detach wiring harness for injectors and lay to one side
Remove ignition coils, cylinders 1-4
Remove injectors, cylinders 1-4
Remove high pressure pump
Release screws (1).
Tightening torque 11 12 9AZ.
Remove oil filler neck (2).
Replace sealing ring.
Release bolts in sequence (17 to 1).
Remove cylinder head cover.
Clean sealing surface (1) with special tool 11 4 470.
Replace seal (2).
Renew profile seal of cylinder head cover.
It is important to join screw (1) for exact positioning of the camshaft sensors.
Fit cylinder head cover.
Position screw (1).
Release screw (1) by 90°.
Secure cylinder head cover in sequence (1 to 17) in two work steps.
Tightening torque 11 12 3AZ.
Fill and vent cooling system