303 JAGUAR X308 1998 2.G Workshop Manual

Whilst applying the opposing force to the sprocket and
chain, tighten the sprocket securing bolt to 115-125 Nm.
Remove the chain tensioning tool.
6. Remove the tape and steel stri p from the timing cover upper
face. Wipe any residue of tape from the joint face.
7. Remove the camshaft locking tool.
8. Install the Cam Cover to Bank 1. Refer to Operation 12.29.44.
9. Raise the vehicle on the ramp.
10. Remove the crankshaft setting tool 303-531.

11. Install the crankshaft position sensor.
1. Install the sensor to the flywheel housing and fit the
securing bolt. Tighten to 8-12 Nm.
2. Install the access grommet to the housing.
12. Lower the ramp.
13. Remove the paint protection sheets and close the engine
compartment cover.
14. Connect the battery and in stall the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.

Engine - Upper Oil Pan3.2L NA V8 - AJ26
In-vehicle Repair
Removal
Special Tool(s)

Installer/remover, Oil Filter
303-752

1. Disconnect the batt ery ground cable.
Remove the battery cover.
2. Open the engine compartment and fit paintwork protection
sheets.
3. Set the engine compartment cover to the service access
position.
4. Remove the timing cover and al l associated components, as
detailed in Operation 12.65.01.
5. Remove both front wheel and tyre assemblies. Refer to
Operation 74.20.05.
6. Remove the undertray. Re fer to Operation 76.22.90.

7. Remove the two bolts which secu re the generator cooling duct
to the oil pan body and remove the duct.
8. Remove the front cross member for access. Refer to Operation
76.10.05.
9. Drain the engine oil.
1. Position the waste oil bowser.
2. Remove the drain plug from the oil pan and drain the engine oil.
Fit a new sealing washer to the drain plug.

Engine - Upper Oil Pan4.0L NA V8 - AJ27, 4.0L
In-vehicle Repair
Removal
Special Tool(s)

Installer/remover, Oil Filter
303-752

1. Disconnect the batt ery ground cable.
Remove the battery cover.
2. Open the engine compartment and fit paintwork protection
sheets.
3. Set the engine compartment cover to the service access
position.
4. Remove the timing cover and al l associated components, as
detailed in Operation 12.65.01.
5. Remove both front wheel and tyre assemblies. Refer to
Operation 74.20.05.
6. Remove the undertray. Re fer to Operation 76.22.90.

7. Remove the two bolts which secu re the generator cooling duct
to the oil pan body and remove the duct.
8. Remove the front cross member for access. Refer to Operation
76.10.05.
9. Drain the engine oil.
1. Position the waste oil bowser.
2. Remove the drain plug from the oil pan and drain the engine oil.
Fit a new sealing washer to the drain plug.

Engine - Upper Oil Pan4.0L SC V8 - AJ26, 4.0L, Vehicles With:
Supercharger
In-vehicle Repair
Removal
Special Tool(s)

Installer/remover, Oil Filter
303-752

1. Disconnect the batt ery ground cable.
Remove the battery cover.
2. Open the engine compartment and fit paintwork protection
sheets.
3. Remove the engine compartmen t cover. Refer to Operation
76.16.01.
4. Remove the twin fan and motor assembly. Refer to Operation
26.25.12.
5. Remove the coolant outlet pipe . Refer to Operation 26.31.08.
6. Remove the supercharger driv e belt. Refer to Operation
18.50.08.
7. Remove the supercharger drive belt idler pulley. Refer to
Operation 18.50.09.

8. Remove the supercharger idle r pulley mounting bracket.
1. Remove the three bolts which secure the mounting
bracket.
2. Remove the mounting bracket.
9. Remove the supercharger driv e belt tensioner. Refer to
Operation 18.50.24.
10. Remove the timing cover and al l associated components, as
detailed in Operation 12.65.01.
11. Remove both front wheel and tyre assemblies. Refer to
Operation 74.20.05.

Engine - Valve Springs LH
In-vehicle Repair
Removal
Special Tool(s)

Valve spring compressor
303-252 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. This operation includes draining the coolant from the
radiator and removing the cam covers.
5. Remove the Inlet Manifold. Refer to Operation 30.15.01 in this
Section. This operation includes depressurising the fuel system
and removing the throttle housing.
6. Remove the Cylinder Head an d Gasket. Refer to Operation
12.29.02 in this Section.

7. Remove the valve collets from the first valve.
1. Fit the valve spring compressor 303 - 252 to the relevant spring.
2. Compress the spring and remove the collets.
8. Remove the valve spring.
Remove the valve spring compressor 303 - 252.
1. Remove the valve collar.
2. Remove the valve spring.

Installation

9. Repeat the instructions for each valve spring to be removed.
10. Clean all relevant components.

1. Fit the valve spring.
1. Fit the valve spring.
2. Locate the valve collar onto the spring.

2. Refit the valve collets to the first valve.
1. Fit the valve spring compressor 303 - 252 to the relevant spring.
2. Compress the spring and fit the collets.
Remove the valve spring compressor and check that the
collets are correctly seated.
3. Repeat the instructions for each valve spring to be fitted.
4. Refit the Cylinder Head and Gasket. Refer to Operation
12.29.03 in this Section.
5. Refit the Inlet Manifold. Refer to Operation 30.15.01 in this
Section. This operation includes refitting the throttle housing.
6. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section. This operation includes refitting the cam covers and
refilling the coolant system.
7. Move the engine compartment co ver from the service position
and connect the gas struts.
8. Remove the paint protection sheets and close the cover.
9. Connect the battery and fit the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.

Engine - Valve Springs RH
In-vehicle Repair
Removal
Special Tool(s)

Valve spring compressor
303-252 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. This operation includes draining the coolant from the
radiator and removing the cam covers.
5. Remove the Inlet Manifold. Refer to Operation 30.15.01 in this
Section. This operation includes depressurising the fuel system
and removing the throttle housing.
6. Remove the Cylinder Head an d Gasket. Refer to Operation
12.29.03 in this Section.

7. Remove the valve collets from the first valve.
1. Fit the valve spring compressor 303 - 252 to the relevant spring.
2. Compress the spring and remove the collets.
8. Remove the valve spring.
Remove the valve spring compressor 303 - 252.
1. Remove the valve collar.
2. Remove the valve spring.

Installation

9. Repeat the instructions for each valve spring to be removed.
10. Clean all relevant components.

1. Fit the valve spring.
1. Fit the valve spring.
2. Locate the valve collar onto the spring.

2. Refit the valve collets to the first valve.
1. Fit the valve spring compressor 303 - 252 to the relevant spring.
2. Compress the spring and fit the collets.
Remove the valve spring compressor and check that the
collets are correctly seated.
3. Repeat the instructions for each valve spring to be fitted.
4. Refit the Cylinder Head and Gasket. Refer to Operation
12.29.03 in this Section.
5. Refit the Inlet Manifold. Refer to Operation 30.15.01 in this
Section. This operation includes refitting the throttle housing.
6. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section. This operation includes refitting the cam covers and
refilling the coolant system.
7. Move the engine compartment co ver from the service position
and connect the gas struts.
8. Remove the paint protection sheets and close the cover.
9. Connect the battery and fit the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.

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.

1. Remove the bolt which secures the crankshaft position sensor to the flywheel housing.
Remove the sensor and allow it to hang free under the
engine.
2. Remove the access grommet (for torque converter bolts) from the housing.
8. Fit the damper securing bolt (old one) to the crankshaft, hand-
tight only.

9. Rotate the crankshaft until the triangular arrow indent on
the drive plate is visible thro ugh the access hole; confirm
that the timing flat on ea ch camshaft is uppermost.

10. Fit the crankshaft setting peg 303 - 531 to the crankshaft
position sensor location.
1. Fit the crankshaft setting peg 303 - 531.
Position the crankshaft so that the setting peg engages
fully into the timing slot.
2. Fit and tighten the bolt to secure the setting peg.
11. Remove the damper securing bolt from the crankshaft.
12. Lower the vehicle on the ramp.

13. Fit the camshaft locking tool 303 - 530 to the B-Bank
camshafts, aligning the shafts slightly as necessary.
14. Loosen the bolt which secures the sprocket to the exhaust
camshaft.