Removing Left Cylinder Head

REMOVING AND INSTALLING LEFT CYLINDER HEAD (CYLINDER BANK 5-8)
- Remove left exhaust manifold, Removing Exhaust Manifolds
- Unfasten drain plug for coolant on left engine block.
- Drain and dispose of coolant.

Installation Note: Replace sealing ring. Torque drain plug to 28 ± 2 Nm (21 ± 1 ft lbs).

- Bleed cooling system and check for water leaks,
- Remove both cylinder head covers, Removing Cylinder Head Covers
- Remove spark plugs, Removing Spark Plugs
- Remove piston for chain tensioner, Removing Piston For Chain Tensioner
- Remove coolant manifold, Removing Coolant Manifold




- Remove oil lines on left and right of cylinder head.




- Crank engine at central bolt in direction of rotation until the first cylinder is in TDC position.




- Unfasten the accessible three screws on exhaust and intake camshafts on cylinder bank 1-4 approx. 1/2 a turn.




- Crank engine once enginewise up to TDC position of first cylinder.




NOTE: When camshaft screw connection is unfastened, brace camshaft on hex head.

CAUTION: Do not damage the cylinder head. Machine open-end wrench accordingly if necessary.




- Unfasten remaining three screws on exhaust and intake camshafts on cylinder bank 1-4 approx. 1/2 a turn.
- Remove top left timing case cover, Removing Top Left Timing Case Cover




- Remove sprocket on left intake camshaft (cylinder bank 5-8).
- Secure chain to prevent it from dropping.




- Turn engine on central screw counter-enginewise up to 45° before TDC position. Note markings!




- Loosen grub screw.

NOTE: Grub screw secures the angle bracket (1) in the cylinder head.




- Unfasten guide rail and retaining screw for oil separator.




- Lift oil separator out of angle bracket.

CAUTION: When lifting the cylinder head, press oil separator outwards.




- Release cylinder-head bolts in sequence 10 ... 1.
- Lift off cylinder head.