Tools Required

EN 46101 Spark Plug Tube Seal Guide

Important: Only perform the necessary steps to remove the camshaft cover you are replacing.

1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
2. Remove the upper intake manifold. Refer to Upper Intake Manifold Replacement.



3. Remove the bolt (1) attaching the ground connector (2) to the cylinder head (Bank 1 : 2 places, Bank 2 : 1 place).
4. For the Bank 2, disconnect the engine coolant temperature (ECT) sensor wiring connector (3).
5. Unclip the engine wiring harness retaining lugs from the side of the cylinder head covers.



6. Disconnect the camshaft position (CMP) sensor wiring connectors (1).
7. Disconnect the CMP actuator solenoid wiring connectors (2).
8. . Unclip the engine wiring harness retaining lug (3) from the front of the cylinder head cover.
9. Remove the ignition coil assemblies. Refer to Ignition Coil Replacement - Bank 1 and Ignition Coil Replacement - Bank 2.
10. Move the engine wiring harness clear of the cylinder head covers.



11. Remove the bolt attaching the engine lift bracket from the cylinder head assembly.



12. Remove the bolt (1), 13 places, attaching the cylinder head cover (2) from the cylinder head (3).
13. Remove the cover and discard the seal.



14. Install EN 46101  (1) to the spark plug tubes of the cylinder head to prevent entry of dirt into the combustion chamber.

1. Clean the cylinder head cover with suitable cleaning solvent and blow dry with compressed air.
2. Inspect the cover for cracking and distortion.
3. Check the spark plug tube seals for damage.
4. If the cylinder head cover is damaged in any way that will affect its performance to seal and stop the ingress of dirt, replace the cylinder head cover.

1. Installation should follow the removal procedure in the reverse order.
2. If not already fitted, install EN 46101  (1) to the spark plug tubes of the cylinder head.
3. Ensure that the grommet (1), 13 places, is correctly seated in its hole.
4. Wipe the cylinder head cover sealing surface on the cylinder head with a clean lint free cloth.



5. Ensure that a new seal is correctly fitted to the cylinder head cover. Place RTV sealant on the join line of the engine front cover (1).



6. Place the cylinder head cover (1) into position onto the cylinder head (2).

Notice: Refer to Fastener Notice in the Preface section.




7. Install the cylinder head cover bolt (1) in the sequence shown.

Tighten
Tighten the cylinder head cover attaching bolt to 10 N·m (89 lb in).




8. Remove EN 46101  (1)
9. Tighten all remaining fasteners.

Tighten

•	Tighten the engine ground connector bolt to 10 N·m (89 lb in).

•	Tighten the engine lift bracket retaining bolts to 50 N·m (37 lb ft) .

10. Connect all remaining connectors.