Left valve mechanism cover (Discovery 3)

Removing

1. Disconnect a wire of weight from the storage battery. For more information, refer to Specification

2. Remove the fuel rail. For more information refer to Fuel manifold (19.60.04)

3. Move the injector wiring harness to the side.

• Release 2 clips.
• Disconnect the 3 fuel injector electrical connectors.

4. Disconnect 3 electrical connectors.

• Disconnect the wire harness clamp from the filler neck.
• Record the installation position of the knock sensor wiring harness relative to the oil filler tube, and then remove and discard the wire tie.

5.

CAUTION: Before disconnecting or removing parts, make sure that the area around the contact surfaces and connections is clean. Plug all open connections to avoid contamination of the system.

Remove the cylinder head cover.

• Remove 3 bolts.
• Remove 3 pins.

6.

NOTE: Do not proceed with further disassembly if the part is being removed only for access.

Remove the gasket and discard it.

7.

NOTE: Record the installation positions of the parts.

Turn out bolts and hairpins. Remove seals and discard.



8. Remove the camshaft position sensor (SMR).

• Turn out a bolt.
• Remove the O-ring and discard it.

9. Remove the engine vent valve. Remove the O-ring and discard it.

10. Remove the oil filler cap.

Installation

1. Install the oil filler cap.


2. Install the engine vent valve. Install a new sealing ring.

3. Install the CMP sensor.

• Install a new sealing ring.
• tighten bolt (tightening torque 6 Nm).

4. Screw in the bolts and studs.

• Install new o-rings.
• Install a new gasket.

5. Install the cylinder head cover.

• Clean the contact surfaces of the parts.
• Tighten the bolts and studs evenly and progressively in the sequence shown (tightening torque 10 Nm).
• Secure the wiring harness with a clamp.

6.

CAUTION: Make sure the knock sensor harness is in the original installation position.

Install the fuel injector wiring harness.

• Secure it with clips.
• Connect the fuel injector electrical connectors.
• Connect 3 electrical connectors.
• Install a new wire tie.

7. Install the fuel rail. For more information refer to Fuel manifold (19.60.04)

8. Connect a wire of weight to the storage battery. For more information refer to Specification