Tools Required
EN 46101 
 Spark Plug Tube
Plugs
Removal Procedure
- Remove the engine covers. Refer to 
Engine Cover Replacement
.
 
- Remove the upper intake manifold with the lower intake manifold. Refer
to 
Lower Intake Manifold Replacement
.
 
Important: Use a suitable tool to slide the connector
retaining latch (4) in the direction of the arrow.
- Disconnect the ignition coil electrical connectors (3).
 
Important: Use a suitable tool to detach the wiring
harness (1) clips from the camshaft cover (2).
- Remove the wiring harness (1) from the camshaft cover (2).
 
Important: It is not necessary to disconnect the engine
front cover electrical connectors.
Important: Use a suitable tool to detach the wiring
harness (1) clip from the camshaft cover (2), then lift the wiring harness (1)
upwards to detach from the camshaft cover (2).
- Remove the wiring harness (1) from the front of the camshaft cover (2).
 
- Reposition and secure the wiring harness (1) away from the camshaft
cover (2) in order to provide clearance for removal of the camshaft cover (2).
 
- Remove the ignition coil to camshaft cover retaining bolts (1).
 
- Remove the ignition coils (2) from the camshaft cover (3).
 
- Remove the camshaft cover to cylinder head retaining bolts (1).
 
- Remove the camshaft cover (2) from the cylinder head (3).
 
- Remove and discard the camshaft cover seal and grommets.
 
- Install the EN-46101 (1) to the spark plug tubes to prevent dirt
and other contaminants from entering the cylinders.
 
Installation Procedure
Important: Make sure the sealing surfaces of the cylinder
head and camshaft cover are clean.
- Place a 3mm bead of RTV sealant (1) on the join line between the engine
front cover and the cylinder head.
 
- Install a NEW camshaft cover seal and NEW grommets.
 
- Install the camshaft cover. Refer to 
Camshaft Cover Installation - Right Side
.
 
- Remove the EN-46101 (1).
 
- Install the ignition coils (2) to the camshaft cover (3).
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the ignition coil to camshaft cover retaining bolts (1).
 
Tighten
Tighten the bolt to 10 N·m (89 lb in).
Important: Make sure the wiring harness (1) is
located on the camshaft cover (2) locating lugs and the clips are engaged.
- Install the wiring harness (1) to the front of the camshaft cover (2).
 
Important: Make sure the wiring harness (1) is
located on the camshaft cover (2) locating lugs and the clips are engaged.
- Install the wiring harness (1) to the camshaft cover (2).
 
Important: Slide the connector retaining latch (4)
in the opposite direction of the arrow.
- Connect the ignition coil electrical connectors (1).
 
- Install the upper intake manifold with the lower intake manifold. Refer
to 
Lower Intake Manifold Replacement
.
 
- Install the engine covers. Refer to 
Engine Cover Replacement
.