Removal and Installation

Rocker Cover: Removal and Installation

Removal (LH)

1) Remove ignition coils. Refer to [Ignition Coil: Removal and Installation] Removal and Installation.
2) Separate engine harness removing their brackets from rocker covers.
3) Remove harness bracket from cylinder head, if necessary.
4) Disconnect the intake valve timing control solenoid valve (LH bank). Refer to [Front Timing Chain Case: Exploded View] Front Timing Chain Case Exploded View.
5) Remove PCV hoses from rocker covers.
6) Remove oil filler cap from rocker cover (LH), if necessary.
7) Remove the rocker cover bolts using power tool in reverse order as shown.





- : Front
8) Remove rocker cover.
9) Remove rocker cover gaskets from rocker covers.
10) Use scraper to remove all traces of liquid gasket from cylinder head and camshaft bracket (No. 1).

CAUTION:
Do not scratch or damage the mating surface when cleaning off old liquid gasket.

Installation (LH)

1) Apply liquid gasket using Tool to joint of rocker cover, cylinder head and camshaft bracket (No. 1) as follows:











Use Genuine RTV Silicone Sealant or equivalent. Refer to [Recommended Chemical Products and Sealants] Recommended Chemical Products and Sealants.

NOTE:
The figure shows an example of LH side [zoomed in shows camshaft bracket (No. 1)].

a) Apply liquid gasket to joint part of camshaft bracket (a) (No. 1) and cylinder head.
b) Apply liquid gasket (b) 90° to figure (a).
2) Install new rocker cover gasket to rocker cover.
3) Install rocker cover.
- Check to be sure rocker cover gasket is not dropped from installation groove of rocker cover.
4) Tighten the rocker cover bolts in two steps in numerical order as shown.





- : Front






5) Install oil filler cap to rocker cover (LH), if removed.
6) Install PCV hose.
- Insert PCV hose by 25 to 30 mm (0.98 to 1.18 in) from connector end.
- When installing, be careful not to twist or come in contact with other parts.
7) Installation of the remaining components is in the reverse order of removal.
- Check engine oil level and adjust as necessary. Refer to [Engine Oil: Inspection] Testing and Inspection.

Removal (RH)

1) Remove intake manifold collector. Refer to [Intake Manifold Collector: Removal and Installation] Intake Manifold Collector Removal and Installation.

CAUTION:
Perform this step when engine is cold.

2) Separate engine harness removing their brackets from rocker covers.
3) Remove harness bracket from cylinder head (RH). Refer to [Cylinder Head: Removal and Installation] Removal and Installation.
4) Disconnect the intake valve timing control solenoid valve (RH bank). Refer to [Front Timing Chain Case: Exploded View] Front Timing Chain Case Exploded View.
5) Remove the ignition coils. Refer to [Ignition Coil: Removal and Installation] Removal and Installation.
6) Remove the PCV hoses from rocker cover.
7) Remove the PCV valve and O-ring from rocker cover (RH), if necessary.

NOTE:
Do not reuse O-rings.

8) Remove the rocker cover bolts using power tool in reverse order as shown.





- : Front
9) Remove rocker cover.
10) Remove rocker cover gaskets from rocker covers.
11) Use scraper to remove all traces of liquid gasket from cylinder head and camshaft bracket (No. 1).

CAUTION:
Do not scratch or damage the mating surface when cleaning off old liquid gasket.

Installation (RH)

1) Apply liquid gasket using Tool to joint part among rocker cover, cylinder head and camshaft bracket (No. 1) as follows:











Use Genuine RTV Silicone Sealant or equivalent. Refer to [Recommended Chemical Products and Sealants] Recommended Chemical Products and Sealants.

NOTE:
The figure shows an example of LH side [zoomed in shows camshaft bracket (No. 1)].

a) Apply liquid gasket to joint part of camshaft bracket (a) (No. 1) and cylinder head.
b) Apply liquid gasket (b) to the figure (a) squarely.
2) Install new rocker cover gasket to rocker cover.
3) Install rocker cover.
- Check to be sure rocker cover gasket is not dropped from installation groove of rocker cover.
4) Tighten the rocker cover bolts in two steps in numerical order as shown.





- : Front






5) Install new O-ring and PCV valve to rocker cover (RH), if removed.

CAUTION:
Do not reuse O-rings.

6) Install PCV hose.
- Insert PCV hose by 25 to 30 mm (0.98 to 1.18 in) from connector end.
- When installing, be careful not to twist or come in contact with other parts.
7) Installation of the remaining components is in the reverse order of removal.
- Check engine oil level and adjust as necessary. Refer to [Engine Oil: Inspection] Testing and Inspection.