1998 JAGUAR X308 oil

Engine - Valve Cover Gasket RH
In-vehicle Repair
Removal
1. Open the engine compartment and fit paintwork protection
sheets.
2. Carefully remove the right hand engine cover, taking care not
to damage the plastic fixi ngs or the rubber inserts.
3. Remove the on-plug ignition coils from the 'A' bank. Refer to
Operation 18.20.41.

4. Release the four clips which secure the engine harness to the
cam cover.

5. 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.

6. 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.
7. 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.

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. Remove the paintwork protection sheets and close the engine
compartment.

Engine - Variable Camshaft Timing Oil Control Unit LH
In-vehicle Repair
Removal
Special Tool(s)

Camshaft setting
303-530

Timing chain tensioning
303-532

Wedges, primary chain
303-533

Crankshaft setting
303-531
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.

3. Disconnect the batt ery ground cable.
Remove the battery cover.
4. Remove the Timing Co ver. Refer to Operation 12.65.01 in this
Section.
5. Remove the Variable Valve Ti ming Bush Carrier Assembly.
Refer to Operation 12.65.52 in this Section
6. Raise the vehicle on a ramp.
7. Remove the crankshaft position sensor.

Engine - Variable Camshaft Timing Oil Control Unit RH
In-vehicle Repair
Removal
Special Tool(s)

Camshaft setting
303-530

Timing chain tensioning
303-532

Wedges, primary chain
303-533

Crankshaft setting
303-531
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.

3. Disconnect the batt ery ground cable.
Remove the battery cover.
4. Remove the Timing Co ver. Refer to Operation 12.65.01 in this
Section.
5. Remove the Variable Valve Ti ming Bush Carrier Assembly.
Refer to Operation 12.65.51 in this Section
6. Raise the vehicle on a ramp.
7. Remove the crankshaft position sensor.

Engine - Variable Camshaft Timing Oil Control Unit Housing LH
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.

3. Disconnect the batt ery ground cable.
Remove the battery cover.
4. Remove the Timing Co ver. Refer to Operation 12.65.01 in this
Section.

5. Remove the VVT bush carrier.
1. Remove the two bolts and one nut which secure the carrier to the cylinder block.
2. Release the carrier from the two ring dowels and
remove it.

6. Remove the seals from the bush carrier.
1. Remove the sealing ring (scarf jointed) from the
carrier bush groove.
2. Remove the O-ring from the carrier oil-way recess.
7. Clean and inspect all relevant components.
1. Fit new seals to the bush carrier.
1. Fit the new sealing ring (scarf jointed) to the carrier bush groove.
2. Fit a new O-ring to the carrier oil-way.

V
ariable Camshaft Timing Oil Control Unit Housing RH
12.65.51
Removal
1. Open the engine compartment and fit paintwork protection sheets.
2. Set the engine compartment cover to the service access position.
3
. Disconnect the battery ground cable.
Remove the battery cover.
4. Remove the Timing Cover. Refer to Operation <<12.65.01>>
in this Section.
5
. Remove the VVT bush carrier.
1. Remove the three bolts which secure the carrier to the cylinder block.

2.
Release the carrier from the two ring dowels and remove it.
6.

Remove the seals from the bush carrier.
1. Remove the sealing ring (scarf jointed) from the carrier bush groove.
2. Remove the O-ring from the carrier oil-way recess.
7. Clean and inspect all relevant components.
Installation
1.
Fit new seals to the bush carrier.
1. Fit the new sealing ring (scarf jointed) to the carrier bush groove.
2. Fit a new O-ring to the carrier oil-way.

27. Disconnect the radiator top hose.
1. Slacken the hose retaining clip and reposition the clip
along the hose.
2. Disconnect the hose from the radiator.

28. Disconnect the transmission oil cooler lower pipe.
Position a drain tray for the transmission fluid.
1. Disconnect and reposition the union nut, lower cooler pipe to radiator. Di sconnect the pipe.
2. Remove and discard the O- ring seal from the pipe
and fit blanking plugs to the pipe and to the union on
the radiator.

29. Disconnect the transmission oil cooler upper pipe.
1. Disconnect and reposition the union nut, upper cooler pipe to radiator. Di sconnect the pipe.
2. Remove and discard the O- ring seal from the pipe
and fit blanking plugs to the pipe and to the union on
the radiator.

30. Disconnect the radiator bottom hose.
1. Slacken the hose retaining clip and reposition the clip
along the hose.
2. Disconnect the hose from the radiator.
31. Release the radiator top retaining panel.
Remove the ten bolts which secure the panel.