JAGUAR X308 1998 2.G Workshop Manual
Manufacturer: JAGUAR, Model Year: 1998, Model line: X308, Model: JAGUAR X308 1998 2.GPages: 2490, PDF Size: 69.81 MB
Page 891 of 2490

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.
Page 892 of 2490

2. Fit the bush carrier to the cylinder block.
Lubricate the seal (scarf jointed) and the bush.
1. Fit the bush carrier assembly.
Check that the seals are in pl ace and that the ring dowels
are engaged squarely. Fully locate the assembly as much
as possible by hand pressure.
2. Fit the two securing bolts and one nut. Tighten to 19- 23 Nm.
3. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section.
4. Move the engine compartment co ver from the service position
and connect the gas struts.
5. Remove the paint protection sheets and close the cover.
6. Connect the battery and fit the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.
Page 893 of 2490

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.
Page 894 of 2490

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.
Page 895 of 2490

2
. Fit the bush carrier to the cylinder block.
Lubricate the seal (scarf jointed) and the bush.
1. Fit the bush carrier assembly.
Check that the seals are in place and that the ring dowels are engaged squarely. Fully locate the
assembly as much as possible by hand pressure. 2. Fit the three securing bolts. Tighten to 19-23 Nm.
3. Refit the Timing Cover. Refer to Operation <<12.65.01>> in this Section.
4. Move the engine compartment cover from the service position and connect the gas struts.
5. Remove the paint protection sheets and close the cover.
6. Connect the battery and fit the battery cover. Refer to the Battery Reconnection Procedure <<86.15.15>>.
Page 896 of 2490

Engine - Engine
Removal
Removal
Special Tool(s)
Engine Lifting Brackets
303-536
Quick Fit Connector Release Tool
310-044
Quick Fit Connector Release Tool
310-054
Quick Fit Connector Release Tool
303-623
Fuel Injection Pressure Test Equipment
310-058
1. Park the vehicle on a four post ramp, over which, an overhead
lifting crane is available, and set the gear selector to 'N'.
The crane should be rated at a minimum of 500 kg Safe
Working Load and have suffici ent fore and aft movement
to traverse the engine assemb ly clear of the vehicle.
Do not apply the handbrake, but use wedges to chock one
wheel to prevent movement of the vehicle.
2. Open the engine compartment and fit paintwork protection
sheets.
3. Disconnect the batt ery ground cable.
Remove the battery cover.
Page 897 of 2490

• WARNINGS:
4. Remove the engine compartment cover (bonnet).
1. Apply masking tape to th e front edge of the engine
compartment cover to protect the paintwork during
removal and storage.
2. With assistance, support the cover and release the
gas struts.
5. With assistance, release the six bolts which retain the cover
(bonnet) and lift the cover clear.
Disconnect the ground cable from the left hand hinge.
6. Remove the engine covers
7. Drain the cooling system. Refer to Operation 26.10.01.
Conserve as much of the coolant as possible to refill the
system.
8. Depressurise the air conditioni ng system. Refer to Operation
82.30.30 and note all Wa rnings and Cautions.
Page 898 of 2490

ENSURE THAT ALL FIRE PREVENTION PROCEDURES ARE ACTIVE.
BEFORE PROCEEDING, IT IS ESSENTIAL THAT THE WARNING NOTES GIVEN IN SECTION 100-00 (UNDER THE
HEADING 'SAFETY PRECAUTIONS') ARE READ AND UNDERSTOOD.
9. Depressurise the fuel system.
Ensure that the ignition is switched off and remove the
valve cap from the fuel cross-over pipe. Place a cloth
under the valve to collect any spillage.
Place a closed container, su itable for collecting fuel,
adjacent to the vehicle. Remove the lid.
10. Connect the fuel injection pressure test equipment 310 - 058
(or other suitable type). Insert the drain / bleed tube into the
fuel container. Follow the ma nufacturer's instructions and
depressurise the fuel system.
11. Store the drained fuel safely and ensure that the lid is closed
securely. Remove the equipmen t and discard the cloth from
beneath the valve. Refit the valve cap.
12. Disconnect the breather pipe from the A-Bank camshaft
cover.
1. Disconnect the breather pipe from the stub pipe.
2. Remove and discard the O-ring seal from the breather
pipe.
13. Disconnect the air flow meter multi-plug.
14. Cut and remove the strap which secures the vacuum pipe to
the induction elbow.
15. 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.
Page 899 of 2490

16. Disconnect the air cleaner cover.
Remove the five clips which se cure the air cleaner cover.
17. 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.
18. Remove the centre trim panel from the engine compartment.
1. Remove the left hand side enclosure panel.
2. Remove the centre trim panel.
19. Release the hoses (Quick Fit connections) from the expansion
tank, using 303 - 623.
1. Release the hose, expansion tank to thermostat housing (coolant outlet pipe on supercharged
engines).
Page 900 of 2490

2. Release the hose, expansion tank to recovery tank.
3. Release the hose, expansion tank to radiator.
20. Fit blanking plugs to the pipes and the tank.
21. Remove the expansion tank from the mounting.
1. Disconnect the coolant level sensor connector.
2. Remove the nuts which secure the tank.
22. Remove the expansion tank from the vehicle.
1. It may be necessary to us e a pipe clamp to clamp the
bottom hose branch.
2. Release the pipe clip an d move it along the pipe.
3. Disconnect the tank from the bottom hose and remove it from the vehicle.
23. Empty any remaining coolant from the expansion tank into a
drain tray.
24. Remove the cloth from the engine and clean any spillage from
the engine bay.
25. Disconnect the radiator breather hose.
Release the Quick-Fit hose (radiator to expansion tank)
using 303 - 623, and disconnect the hose from the
radiator.
26. Remove the twin fan and motor assembly. Refer to Operation
26.25.12.