Removal procedure
1. Remove the decorative engine cover. See "Decorative Engine Cover" in this section.
2. Remove the upper intake manifold. See "Upper intake manifold" in this section.
3. Remove the bolt (1) connecting to the ground (2) to the cylinder head (row 1: 2 places; row 2: 1st place).
4. Bank 2: Disconnect the engine coolant temperature sensor wiring harness connector (3).
5. Disconnect the engine wiring harness retaining tabs from the sides of the cylinder head covers.
6. Disconnect the connectors (1) of the camshaft position sensor (CMP).
7. Disconnect the connectors (2) of the valve timing control valve.
8. Disconnect the engine wiring harness retaining tab (3) located on the front of the cylinder head cover.
9. Remove the ignition coils as an assembly. See Section 1F3, Engine Controls - HFV6 3.2L.
10. Remove the engine wiring harness from the cylinder head covers.
11. Remove the engine lift bracket mounting bolts from the cylinder head.
12. Remove the bolt (1) securing the cylinder head cover (13 places) (2) from the cylinder head (3).
13. Remove the lid and discard the seal.
14. Install the EN-46101 device (1) on the spark plug tubes to prevent dirt from entering the combustion chambers.
Cleaning and inspection
1. Clean the cylinder head cover with a suitable cleaning solvent and blow dry with compressed air.
2. Inspect the lid for cracks or deformation.
3. Check that the spark plug tube seals are not damaged.
4. If the cylinder head cover is damaged in a way that affects its ability to seal and keep out dirt, the cover must be replaced.
Installation procedure
1. Installation should be carried out in the reverse order of removal of parts.
2. Install EN-46101 tools (1) to the spark plug tubes if not already done.
3. Make sure that the bushing (1) (13 places) is correctly positioned in the hole provided for it.
4. Wipe the sealing surface of the cylinder head to the cover with a clean, lint-free cloth.
5. Ensure the new gasket is correctly positioned on the cylinder head cover. Apply sealant (RTV) to the joint line of the front engine cover (1).
6. Install the cylinder head cover (1) in its designated place on the head (2).
7. Install the cylinder head cover bolts (1) in the sequence shown.
Tighten
Tighten the cylinder head cover mounting bolts to 10 N·m (89 lb-in.).
8. Remove the EN-46101 tool (1).
9. Tighten the remaining fasteners.
Tighten
Tighten the engine ground bolt to 10 N·m (89 lb-in.).
Tighten the engine lift bracket mounting bolts to 50 N·m (37 lb-ft).
10. Connect all remaining connectors.
