1998 JAGUAR X308 ECU

Installation

9. Clean all relevant parts and mating faces.

1. Fit new seals to the cam cover.
1. Fit the new outer seal.
2. Fit the two new spark plug aperture seals.

2. Fit the securing screws to the cam covers.
1. Fit a new sealing ring to each screw assembly.
2. Fit the screws to the cam covers. Each screw is retained by the cam cover gasket.

3. Apply RTV sealant WSS-M4G320-A3 to two places on the joint
between the front of the cam cover and the cylinder head.
The application of sealant must be 3mm diameter by
12mm long. Fit the cam cover immediately after applying
the sealant.
The cover should be fitted di rectly to the head without
smearing the sealant or the seals.
4. Refit the cam cover.
Position the cam cover onto the cylinder head without
smearing the sealant and start the threads of each

securing screw.

5. Tighten the securing screws to 9 - 11 Nm. Tighten in the
sequence indicated.
6. Fit the oil filler cap.

7. Reposition the clips which secure the engine harness to the
cam cover.
8. Refit the on-plug ignition coils and the coil cover. Refer to
Operation 18.20.42.
9. Refit the purge valve. Refer to Operation 17.45.01.
10. Reconnect the air flow meter multi-plug.
11. Refit the left hand engine cover.
12. Remove the paintwork protection sheets and close the engine
compartment.

Engine - Valve Cover RH
In-vehicle Repair
Removal
1. Open the engine compartment and fit paintwork protection
sheets.

2. Disconnect the intake tube from the throttle body.
1. Remove the two bolts which secure the intake tube to the throttle body.
2. Disconnect the intake tube from the throttle body.

3. Disconnect the air cleaner cover.
Release the five clips which se cure the air cleaner cover.
4. Disconnect the air fl ow meter multi-plug.

5. Remove the intake tube / air flow meter / air cleaner cover
assembly.
1. Remove the intake tube / air flow meter / air cleaner
cover assembly.
2. Remove and discard the ru bber seal; air intake tube
to throttle body.
6. Carefully remove the right hand engine cover, taking care not
to damage the plastic fixi ngs or the rubber inserts.
7. Remove the on-plug ignition coils from the 'A' bank. Refer to
Operation 18.20.41.
8. Release the clips which secure the engine harness to the cam
cover.

Installation


9. Remove the cam cover assembly.
1. Release the fourteen sc rews which secure the cam
cover. The screws stay in place, held by the seals.
2. Remove the cam cover, screws and seals, as an
assembly.

10. Separate the screws and se als from the cam cover.
1. One at a time, remove ea ch securing screw from the
cam cover.
2. Remove the rubber sealin g ring from each securing
screw.

11. Remove the main seals from the cam cover.
1. Remove and discard the outer seal.
2. Remove and discard the two seals from around the spark plug apertures.
12. Clean all relevant parts and mating faces.
1. Fit the new main seals to the cam cover.
1. Fit the new outer seal.

2. Fit the two new spark plug aperture seals.

2. Fit the securing screws to the cam covers.
1. Fit a new sealing ring to each screw assembly.
2. Fit the screws to the cam covers. Each screw is retained by the cam cover gasket.

3. Apply RTV sealant WSS-M4G320-A3 to two places on the joint
between the front of the cam cover and the cylinder head.
The application of sealant must be 3mm diameter by
12mm long. Fit the cam cover immediately after applying
the sealant.
The cover should be fitted di rectly to the head without
smearing the sealant or the seals.

4. Refit the cam cover.
Position the cam cover onto the cylinder head without
smearing the sealant and start the threads of each
securing screw.
5. Tighten the securing screws to 9 - 11 Nm. Tighten in the
sequence indicated.

6. Reposition the clips which secure the engine harness to the
cam cover.
7. Refit the on-plug ignition coils and the coil cover. Refer to
Operation 18.20.41.
8. Refit the right hand engine cover.

9. Fit the intake tube / air flow meter / air cleaner cover
assembly.
1. Fit a new rubber seal; air in take tube to throttle body.

2. Fit the intake tube / air flow meter / air cleaner cover
assembly.

10. Reconnect the air cleaner cover.
Fit the five clips which secu re the air cleaner cover.
11. Connect the intake tube to the throttle body.
1. Connect the intake tube to the throttle body.

2. Fit the two bolts which secure the intake tube to the throttle body.
12. Remove the paintwork protection sheets and close the engine
compartment.

Engine - Valve Cover Gasket LH
In-vehicle Repair
Removal
1. Open the engine compartment and fit paintwork protection
sheets.
2. Carefully remove the le ft hand engine cover, taking care not to
damage the plasti c fixings or the rubber inserts.

3. Disconnect the intake tube from the throttle body.
1. Remove the two bolts which secure the intake tube to the throttle body.
2. Disconnect the intake tube from the throttle body.

4. Disconnect the air cleaner cover.
Release the five clips which se cure the air cleaner cover.
5. Disconnect the air fl ow meter multi-plug.

6. Remove the intake tube / air flow meter / air cleaner cover
assembly.
1. Remove the intake tube / air flow meter / air cleaner
cover assembly.
2. Remove and discard the ru bber seal; air intake tube
to throttle body.
7. Remove the on-plug ignition coils from the 'B' bank. Refer to
Operation 18.20.42.
8. Remove the purge valve, from th e evaporative control system.
Refer to Operation 17.45.01.
9. Release the four clips which secure the engine harness to the
cam cover.