Left Cylinder Head

Remove splash guard.
Remove left and right heat baffle plates on front axle support.
Unfasten drain plug for coolant on left engine block. Drain and dispose of coolant.

Installation:
Replace sealing ring.
Tightening torque, refer to Engine, Specifications.
Top up coolant. Bleed cooling system and check for water leaks, refer to Cooling System
Remove spark plugs, refer to Powertrain Management
Remove coolant manifold, refer to Cooling System





Remove plug connections (1 and 2).





Unfasten cable tie (1) and disconnect hose clip (2).





Pull off hose.





Pull heating valve out of bracket and remove complete unit.
Remove exhaust pipes from right cylinder bank 1 to 6, refer to Exhaust System
Remove exhaust pipes from left cylinder bank 7 to 12, refer to Exhaust System





Unfasten cylinder head screws from outside to inside in sequence 14 to 1 .
Remove cylinder head.
Remove cylinder head gasket.

Installation:
Clean sealing faces of cylinder head and engine block, if necessary using wooden scraper to remove gasket debris. Ensure that no gasket debris drops into the oil and coolant ducts.
Threaded bores in engine block must be free of dirt and oil (risk of cracking).






Installation:
Replace cylinder head gasket.
Fit new cylinder head screws.
Tightening torque, refer to Engine, Specifications.
Tighten cylinder head screws from inside to outside in sequence 1 to 14.

Note: Assembly of sprockets and adjustment of the camshaft is described in the article on removing and installing upper section of timing case, refer to Timing Components.