For 1990-2009 cars

## Valve Rocker Arm Cover Replacement Right Side

### Removal Procedure

1. Remove the Air Injection Reaction (AIR) hose clamps and remove the hose.
2. Remove the AIR pipe (with check valve), bolts and gasket from the exhaust manifold.
3. Disconnect the ignition coil harness main connector.
4. Remove the spark plug wires.
5. Remove the right side valve rocker arm cover. Refer to Valve Rocker Arm Cover Removal .

### Installation Procedure

1. Install the right side valve rocker arm cover. Refer to Valve Rocker Arm Cover Installation .
2. Install the spark plug wires.
3. Connect the ignition coil harness main connector.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

4. Install the AIR pipe (with check valve), bolts and gasket to the exhaust manifold.

Tighten
Tighten the AIR pipe bolts to 20 N·m (15 lb ft).

5. Install the AIR hose and clamps.

## Valve Rocker Arm Cover Replacement Left Side

### Removal Procedure

1. Relieve the fuel system pressure using Fuel Pressure Relief Procedure in Engine Controls - 5.7L.
2. Remove the fuel lines from the vehicle.
3. Remove the PCV hose from the PCV valve.
4. Disconnect the coil harness main connector.
5. Remove the spark plug wires from the ignition coils.
6. Remove the spark plug wires from the spark plugs.
7. Loosen the AIR hose clamps and remove the hose.
8. Remove the AIR pipe (with check valve), bolts and gasket from the left exhaust manifold.
9. Remove the PCV hose from the rocker arm cover.
10. Remove the left side valve rocker arm cover. Refer to Valve Rocker Arm Cover Removal .

### Installation Procedure

1. Install the LH valve rocker arm cover. Refer to Valve Rocker Arm Cover Installation .
2. Install the PCV hose to the rocker arm cover.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the AIR pipe (with check valve), bolts and gasket to the left exhaust manifold.

Tighten
Tighten the AIR pipe bolts to 20 N·m (15 lb ft).

4. Install the AIR hose and clamps.
5. Install the spark plug wires to the spark plugs.
6. Install the spark plug wires to the ignitions coils.
7. Connect the coil harness main connector.
8. Install the PCV hose to the PCV valve.
9. Install the fuel lines to the vehicle.