Maintenance

Maintenance

Cylinder Head

Removal

1. Remove the engine from vehicle (Refer to ‘Engine’, page 3-1-4)
2. Remove the inlet manifold (Refer to ‘Inlet Manifold’, page 3-2-7).
3. Remove the exhaust manifold (Refer to ‘Exhaust Manifold’, page 3-2-10).
4. Drain the engine coolant (Refer to ‘Coolant Drain / Fill’, page 3-4-3).
5. Remove the accessory drive belt (Refer to ‘Drive Belt’, page 3-6-1).
6. Remove the thermostat housing (Refer to ‘Thermostat’, page 3-4-5).
7. Remove the camshaft cover (Refer to ‘Camshaft Cover’, page 3-11-1).
8. Remove the timing cover (Refer to ‘Timing Cover’, page 3-11-3).
9. Remove the timing chains (Refer to ‘Valve Timing Chains’, page 3-10-1)
9. Remove both camshafts.

10. Progressively release all bolts that secure each bearing cap.

The thrust camshaft bearing cap, of each camshaft (No.1 and No. 8 cap), must be removed first and installed last.

10. Withdraw the bearing caps. Ensure they are retained in the sequence withdrawn.
11. Withdraw the camshafts.
11. Remove the camshaft followers and lash adjusters. Ensure they are retained in the sequence removed.