1998 JAGUAR X308 Joint

6. Tigh
ten the exhaust camshaft
sprocket securing bolt.
1. Fit the chain tensioner tool 303 - 532 to the sprocket holes.
Appl
y force to the tool in an
anti-clockwise direction to
tension the chain on its drive side.
2. Whilst applying the opposing force to the sprocket and chain, tighten the sprock et securing bolt to 115 -
125 Nm.

7. Tigh
ten the VVT unit securing bolt.
1. Whilst still applying the opposing force to the
sprocket and chain (using 303 - 532), check that the
wedges are still in place, tighten the VVT unit
securing bolt to 115 - 125 Nm.
R
emove the chain tensioning
tool and the wedge(s).
8. Remove the camshaft locking tool 303 - 530.
9. Raise the vehicle on the ramp.
10. Remove the crankshaft setting tool 303 - 531.

11
.
Refit the crankshaft position sensor.
1. Fit the sensor to the fl ywheel housing and fit the
securing bolt. Tighten to 8-12 Nm.
2. Refit the access grommet to the housing.
12. Lower the ramp.
13. Fit new seals to the VVT 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.

14. F
it the VVT bush carrier to the cylinder block.
Lubric

ate the seal (scarf
jointed) and the bush.
1. Fit the bush carrier assembly.
Check that th e seals are in pl ace an
d 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.
15. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section.
16. Move the engine compartment cover from the service position
and connect the gas struts.
17. Remove the paint protection sheets and close the cover.
18. Connect the battery and fit the battery cover.
Refe
r to the Battery Reconnection Procedure in Section
414-01.

7.
Remove the coolant outlet pipe.
1. Remove the four bolts which secure the outlet pipe.
2. Remove the outlet pipe from the bypass hose and from the cylinder heads.
8. Remove and discard the sealing ring s from the outlet pipe grooves.

9.
Remove the nuts which secure the catalytic converter to the B-Bank
exhaust manifold flange.

10 . Re
move 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.

11. R
emove 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.
12. Raise the vehicle on a ramp.
13. Remove the crankshaft position sensor.

d
ownpipe catalyst.

39
.
Install new seals to the B-Bank VVT bush carrier.
1. Install the new sealing ring (scarf jointed) to the carrier bush groove.
2. Install a new O-ring to the carrier oil-way.

40
.
Install the bush carrier to the cylinder block.
Lu
bricate the seal (scarf
jointed) and the bush.
1. Install the bush carrier assembly.
Chec
k that the seals are
in place and that the ri ng dowels are engaged
squarely. Fully locate the assembly as much as possible by hand
pressure.
2. Install the two securing bolts and one nut. Tighten to 21 Nm.
41. Install new sealing rings to the coolant outlet pipe grooves.

42
.
Install the coolant outlet pipe.
1. Install the outlet pipe to the bypass hose and to the cylinder heads.
2. Install the four bolts which secure the outlet pipe.

43
.
Connect the hoses and multi-plug to the coolant outlet pipe.
1. Connect the heater hose and reposition the hose clip.
2. Connect the multi-plug to the temperature sensor.
3. Expand and reposition the hose clip along the bypass hose.
44. Install the Inlet Manifold. Refer to Operation 30.15.01 in this Section. This
operation includes installing the throttle housing.
45. Install the engine front cover.For additional information, refer to: Engine
Front Cover (303-01 Engi
ne, In-vehicle Repair).

7.
Remove the coolant outlet pipe.
1. Remove the four bolts which secure the outlet pipe.
2. Remove the outlet pipe from the bypass hose and from the cylinder heads.
8. Remove and discard the sealing ring s from the outlet pipe grooves.

9.
Remove the nuts which secure the catalytic converter to the A-Bank
exhaust manifold flange.

10 . Re
move 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.

11. R
emove 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.
12. Raise the vehicle on a ramp.
13. Remove the crankshaft position sensor.

2. In
stall the access grommet to the housing.
36. Lower the ramp.

37. Ins
tall and tighten the nuts which secure the exhaust manifold to the
downpipe catalyst.

38 . In
stall new seals to the A-Bank VVT bush carrier.
1. Install the new sealing ring (scarf jointed) to the carrier bush groove.
2. Install a new O-ring to the carrier oil-way.

39 . Install the bush c
arrier to the cylinder block.
Lu
br
icate the seal (scarf
jointed) and the bush.
1. Install the bush carrier assembly.
Chec k that
the seals are
in place and that the ri ng dowels are engaged
squarely. Fully locate the assembly as much as possible by hand
pressure.
2. Install the three securing bolts. Tighten to 21 Nm.
40. Install new sealing rings to the coolant outlet pipe grooves.

41. Install the coolant
outlet pipe.
1. Install the outlet pipe to the bypass hose and to the cylinder heads.
2. Install the four bolts which secure the outlet pipe.
42. Connect the hoses and multi-plug to the coolant outlet pipe.
1. Connect the heater hose and reposition the hose clip.

In
stallation

27
. Clean all parts and mating faces.


1. Fit ne
w seals to the timing cover.
1. Fit and fully locate, a new seal to the inner groove on the face of the timing cover.
2. Fit and fully locate, a new seal to the outer groove on the face of the timing cover.
Re
move the transit ring and check that the oil seal is not
damaged.

2. Appl y s
ealant to the eight joints on the engine face.
Sealant
beads to be 3mm di ameter an
d 12mm long. Cut
the nozzle of the sealant tube to produce a 3mm bead.
(Fit and tighten the securing bolts within twenty minutes
of sealant application)

3. Re
fit the timing cover, step 1.
Lo
wer th
e cover into the engine compartment, to its
approximate position.
4. Refit the timing cover, step 2.
Stan din
g at the right hand side
of the vehicle, rotate and
manoeuvre the cover downwards to clear the water pump

I
nstallation


27
.
Remove and discard the inner and outer seals from the timing
cover.
1. Remove the seal from the inner groove on the face of the timing cover.
2. Remove the seal from the outer groove on the face of
the timing cover.
Chec
k the condition of the oil seal and renew as
necessary.
28. Clean all parts and mating faces.

1. Fi
t new seals to the timing cover.
1. Fit and fully locate, a new seal to the inner groove on the face of the timing cover.
2. Fit and fully locate, a new seal to the outer groove on the face of the timing cover.

2. Appl
y sealant to the eight joints on the engine face.
Sealant

beads to be 3mm di
ameter and 12mm long. Cut
the nozzle of the sealant tube to produce a 3mm bead.
(Fit and tighten the securing bolts within twenty minutes
of sealant application)
3. Refit the timing cover, step 1.
Lo
wer the cover into the engine compartment, to its
approximate position.