Removing and Installing/Replacing Left Inlet Camshaft

11 31 032 - Removing and installing or replacing left inlet camshafts (S65)





Necessary preliminary tasks:
- Remove left cylinder head cover. Service and Repair
- Remove left VANOS exhaust gear Removing and Installing/Replacing Left Exhaust VANOS Gear
- Remove left VANOS inlet gear Removing and Installing/Replacing Left Inlet VANOS Gear





Release screws (1).
Tightening torque: 11 12 2AZ 11 12 Cylinder Head with Cover.
E - Intake camshaft
A - Exhaust camshaft.

Important!
Risk of mix-up with cylinder bank 1-5.
Arrow (2) must point in direction of travel to chain drive.

Installation:
Lubricate all bearing points with engine oil.





Release screws (1) from outside inwards in 1/2 turns.
Tightening torque: 11 12 2AZ 11 12 Cylinder Head with Cover.
Remove inlet camshaft for cylinders 5 to 8.





Do not place timing chain in gearcase.
Secure timing chain (1) against falling down with a cable tie (3) to one screw (2).





Check plain compression rings for damage and replace if necessary.
The plain compression rings have catches at the joint.
Press plain compression rings apart upwards and downwards and remove towards front.

Important!
Plain compression rings can break easily.





Insert inlet camshaft for cylinders 5 to 8.
Designation (E2) on dihedron points upwards.
Cams on cylinder no. 6 point upwards.

Installation:
Lubricate all bearing points with engine oil.





Installation:
All bearing shells are assigned to one cylinder.
E and A from (1 to 8), e.g. E 5= inlet side on cylinder no. 5.
Arrow must point in direction of travel to chain drive.





Release screws (1) from inside outwards in 1/2 turns.
Tightening torque: 11 12 2AZ 11 12 Cylinder Head with Cover.





Adjust valve timing. Adjustments
Assemble engine.