Adjusting feircg at cylinder [baulk 4

1. Turn engine to installation position on assembly support,

2. Remove fixing pin.

Advance crankshaft 360° clockwise until the bore 1 OT (top dead centre) in the belt pulley is aligned with the fixing bore on the crankcase. Position or fix with fixing pin (short) of special tool 9595.


3. Check camshaft adjustment at cylinder bank 4 - S:

The groove in the camshaft must face inward toward the crankcase.

4. Turn engine 90° counterclockwise on the assembly support. Cylinder bank 4 - 6 faces upward.

5. If the allocation is correct, the narrow segment must face the cylinder head cover on the opposite side of the cylinder head.


6. Fasten blocking device {special tool 9612) on the cylinder head (4 - 6).

7. Perform following assembly steps for timing adjustment as described from Step 7 to Step 11.

8. Fit oil extraction pumps Note

The oil extraction pumps on the cylinder heads are identical parts. Therefore, the installation position and direction of rotation must be correct.

installation position of oil extraction pump at cylinder head 1 - 3 (fiywheei side): The arrow for the direction of rotation or the marking "1 - 3" must face the crankcase. Fit oil extraction pump. Use new sealing ring and new micro-encapsuiated hexagon socket head screws.

Tightening torque: 10 Nm (7.5 ftib.)


668 97

9. Unscrew auxiliary chain tensioner, put new sealing ring on the original chain tensioner and install.

Tightening torque: 80 Nm (59 ftib.} (Wrench size 30 mm}

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