1998 JAGUAR X308 303

Installation

1.
Use new manifold securing bolt s and.fit a spacer to each.

2. Fit each manifold and manifold gasket.
1. Fit and align the new gasket to the cylinder head.
2. Fit and align the manifo ld to the cylinder head.
3. Fit the rear four bolts wh ich secure the manifold, but
do not tighten.
3. Working from above the vehicle, fit and tighten the remaining
manifold securing bolts.
4. Working from below the vehicle, fu lly tighten the rear bolts on
each manifold.

5. Refit the steering rack.
1. reposition the steering rack.
2. Fit and tighten the rack mounting bolts on the driver's
side.
3. Tighten the rack mounting bolts on the passenger side.

6. From above the vehicle, connect the EGR pipe to the right
hand exhaust manifold.
1. Fit a new EGR gasket to the manifold.
2. Reposition the EGR pipe to the manifold.
3. Fit the two nuts which secure the EGR flange to the exhaust manifold.
7. Fit the downpipe catalytic converter, left hand side. Refer to
Section 309-00.
8. Fit the downpipe catalytic converter, right hand side. Refer to
Section 309-00.
9. Fit the front silencer. Refer to Section 309-00.
10. Fit the air cleaner assembly . Refer to Section 303-12.
11. Remove paintwork protection sheets and close the engine
compartment.

Engine - Intake Camshaft 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 Cover. Re fer to Operation 12.65.01.
5. Remove the VVT Unit from the B-Bank. Refer to Operation
12.65.71. This also includes the VVT Bush Carrier Assembly,
Primary Chain and Tensioner.
6. Remove the camshaft locking tool 303 - 530 (fitted for
previous operation).

7. Remove the camshaft.
1. Remove the bolts which secure the camshaft caps; loosen them evenly, in stages.
2. Remove the camshaft caps. Note their orientation and
markings - each is marked with its position (a
number) and orientation (an arrow).
3. Remove the camshaft from the engine.
8. Clean and inspect all relevant components.

1. Apply oil (EP-90) to the camsha ft and bearing surfaces, as
follows:
To the upper face of each be aring surface (two places) in
the cylinder head.
To the upper face of each be aring surface (two places) in
each bearing cap.
On the cam lobes ONLY, not on the base circle area.
2. Refit the camshaft.

1. Fit the camshaft to position in the cylinder head, with the timing flats uppermost.
2. Fit the camshaft caps to their respective locations (0 to 4 from the front) and in the correct orientation
(arrow to front of engine).
3. Fit and tighten the cap securing bolts. Tighten evenly,
in stages, to 9 - 11 Nm.
3. Fit the camshaft locking tool 303 - 530 (fitted for following
operation) align the camshaft as necessary.
4. Refit the VVT Unit to the A-Bank. Refer to Operation 12.65.71.
This also includes the VVT Bu sh Carrier Assembly, Primary
Chain and Tensioner.
5. With the camshaft (303 - 530) and crankshaft (303 - 531)
setting tools removed, after the previous operation, adjust the
valve clearances on the inlet camshaft. refer to Operation
12.29.48.
6. Refit the Timing Cover. Re fer to Operation 12.65.01.
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 - Intake Camshaft RH
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 Cover. Re fer to Operation 12.65.01.
5. Remove the VVT Unit from the A-Bank. Refer to Operation
12.65.70. This also includes the VVT Bush Carrier Assembly,
Primary Chain and Tensioner.
6. Remove the camshaft locking tool 303 - 530 (fitted for
previous operation).

7. Remove the camshaft.
1. Remove the bolts which secure the camshaft caps; loosen them evenly, in stages.
2. Remove the camshaft caps. Note their orientation and
markings - each is marked with its position (a
number) and orientation (an arrow).
3. Remove the camshaft from the engine.
8. Clean and inspect all relevant components.

1. Apply oil (EP-90) to the camsha ft and bearing surfaces, as
follows:
To the upper face of each be aring surface (two places) in
the cylinder head.
To the upper face of each be aring surface (two places) in
each bearing cap.
On the cam lobes ONLY, not on the base circle area.
2. Refit the camshaft.

1.
Fit the camshaft to position in the cylinder head, with
the timing flats uppermost.
2. Fit the camshaft caps to their respective locations (0 to 4 from the front) and in the correct orientation
(arrow to front of engine).
3. Fit and tighten the cap securing bolts. Tighten evenly,
in stages, to 9 - 11 Nm.
3. Fit the camshaft locking tool 303 - 530 (fitted for following
operation) align the camshaft as necessary.
4. Refit the VVT Unit to the A-Bank. Refer to Operation 12.65.70.
This also includes the VVT Bu sh Carrier Assembly, Primary
Chain and Tensioner.
5. With the camshaft (303 - 530) and crankshaft (303 - 531)
setting tools removed, after the previous operation, adjust the
valve clearances on the inlet camshaft. refer to Operation
12.29.48.
6. Refit the Timing Cover. Re fer to Operation 12.65.01.
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.
Re
fer to the Battery Reconnection Procedure 86.15.15.

Engine - Intake Manifol
d
In-v
ehic
le Repair
Remov
a
l
W
A
RNING: BEFORE PROCEEDING, IT IS ESSENTIAL THAT
THE WARNINGS GIVEN IN SECTION 100-00 (UNDER THE
HEADING 'SAFETY PRECAUTIONS') ARE READ AND UNDERSTOOD.
S p
ecial Tool(s)

Qu
ic
k Fit Connector Release Tool
310-044

Qu ic
k Fit Connector Release Tool
310-054

Inject or Remov
al Tools
303-539

F u
el Injection Pressu
re Test Equipment
310-058
1. Open the engine compartment and fit paintwork protection
sheets.
2. Carefully remove the en gine covers, taking care not to damage
the plastic fixings or the rubber inserts.

3. Depress
urise the fuel system.
E
n
sure 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.
Pla c
e a closed container, su
itable for collecting fuel,
adjacent to the vehicle. Remove the lid.
4. Connect the fuel injection pres sure test equipment 310 - 058

3. Remove and discard the regulator O-ring seal.

28. Remove the fuel feed pipe from the manifold.
1. Remove the two bolts which secure the fuel feed pipe
to the inlet manifold.
2. Remove the fuel feed pipe.
3. Remove and discard the pipe O-ring seal.

29. Remove the fuel cross over elbow from the inlet manifold.
1. Remove the one bolt each side which secures the cross over elbow.
2. Remove the elbow from the manifold.
3. Remove and discard the O-ring seal.

30. Remove the fuel injectors.
1. Remove the securing scre ws from each fuel injector.
2. Remove the inject or clamping plates.
31. Remove the injectors from the ma nifold; use special tool 303
- 539 if necessary.

Tighten the locknut without altering the setting or
introducing twist into the cable outer
Check the kickdown setting using the PDU. For scan tool
procedure, refer to 303-14 , Throttle cable, Renew

21. Reconnect the multi-plugs to the throttle body.
1. Connect the throttle body motor multi-plug.
2. Connect the two potentiometer multi-plugs, one each side of the throttle.
3. Connect the vacuum pipe elbow to the throttle
actuator.

22. 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.

23. Reconnect the air cleaner cover.
1. Fit the five clips which secure the air cleaner cover.
24. 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.