bank 1 JAGUAR X308 1998 2.G Owner's Manual

Remove the
sensor and allow
it to hang free under the
engine.
2. Remove the access grommet (for torque converter bolts) from the housing.
7. Install the damper securing bolt (old one) to the crankshaft,
hand-tight only.

8. R
otate 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.

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

12
.
Install the camshaft locking tool 303-530 to Bank 1
camshafts, aligning the shafts slightly as necessary.
13. Loosen the bolt which secures the sprocket to the exhaust
camshaft.

18
.
Remove the chain from the cams haft sprocket and from the
crankshaft sprocket.

19
.
Remove the camshaft locking tool 303-530 and transfer it to
Bank 2 camshafts, aligning the shafts slightly as necessary.

20
.
Loosen the bolt which secures the sprocket to the exhaust
camshaft.

21
.
Loosen the bolt which secures the sprocket to the intake
camshaft.
22. Remove the primary ch ain tensioner bolts.

23. R
emove the tensioner assembly.
1. Remove the tensioner.
2. Remove the tensioner back-plate.

24. R
emove the chain tensioner blade.
1. Remove the pivot bolt which secures the tensioner blade.
2. Remove the tensioner blade.
25. Reposition both camshaft sprockets forward along the
camshaft bosses and remove the chain from the intake
camshaft sprocket and from the crankshaft sprocket.

26 . No
te the orientation of the spro
ckets relative to each other
(half a tooth out of line).
27. Remove the sprocket from the crankshaft. To remove the
Bank 2 sprocket, the Bank 1 sprocket must be removed first.

I
nstallation

28
.
Clean and inspect all relevant components.

1. F
it the sprockets to the crankshaft.
The teeth

of Bank 1 and Bank 2 sprockets on the
crankshaft must be out of phas e with each other. If they
are in-phase after fitting, remove the Bank 1 sprocket,
turn it on its vertical axis and refit it.

2. Inst
all the chain tensioning
tool 303-532 to the exhaust
camshaft sprocket, Bank 2.
Re
position the sprocket to the most advantageous position

for use of the tool.
R
emove the tool.

3. Install th
e primary timi
ng chain, Bank 2.
1. Install the primary chain over the crankshaft sprocket and the intake camshaft sp rocket. There must be no
slack on the drive side of the primary chain and the
sprockets should not be rotated on the camshafts (or
the tensioning tool may not fit).
Sli
de the camshaft sprocket
s fully rearwards onto the
respective camshafts.
4. Install the primary ch ain tensioner blade.
1. Position the tensioner blade to the cylinder block.

2.
Install the retaining / pivo
t bolt and tighten it to 12-
16 Nm.

5. Install the primary ch
ain te
nsioner assembly. Refer to
Operation 12.65.55.
Use a wedge 3 03-5
33 (or two if required) between the
primary chain tensioner and te nsioner blade, to take up
the slack in the chain.

6. Tigh te
n the exhaust camshaft
sprocket securing bolt.
1. Install 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 te
n the intake camshaft
sprocket 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, ti ghten the securing bolt to
115-125 Nm.
R e
move the chain tensioning
tool and the wedge(s).
8. Remove the camshaft locking t ool 303-530 and transfer it to
Bank 1 camshafts, aligning the shafts slightly as necessary.

9. Inst
all the chain tensioning
tool 303-532 to the exhaust
camshaft sprocket, Bank 1.
Re
position the sprockets to the most advantageous
position for use of the tool.
R
emove the tool.

10
.
Install the primary timi ng chain, Bank 1.
1. Install the primary chain over the crankshaft sprocket and the intake camshaft sp rocket. There must be no
slack on the drive side of the primary chain and the
sprockets should not be rotated on the camshafts (or
the tensioning tool may not fit).

11
.
Install the primary ch ain tensioner blade.
1. Position the tensioner blade to the cylinder block.
2. Install the retaining / pivo t bolt and tighten it to 12-
16 Nm.
12. Install the primary chain te nsioner assembly. Refer to
Operation 12.65.54.
Use a wedge 3
03-533 (or two if required) between the
primary chain tensioner and te nsioner blade, to take up
the slack in the chain.

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.
12. Remove the damper securing bolt from the crankshaft.
13. Lower the vehicle on the ramp.

14. F
it the camshaft locking tool 303 - 530 to the A-Bank
camshafts, aligning the shafts slightly as necessary.

15. L
oosen the bolt which secures
the sprocket to the camshaft.

16. Loosen
the bolt which secure
s VVT unit to the camshaft.
17. Remove the primary ch ain tensioner bolts.

I
nstallation


18
.
Remove the tensioner assembly.
1. Remove the tensioner.
2. Remove the tensioner back-plate.

19
.
Remove the chain tensioner blade.
1. Remove the pivot bolt which secures the tensioner blade.
2. Remove the tensioner blade.
20. Remove the chain from the VVT unit and from the crankshaft
sprocket.

21
.
If necessary, remove the sp rocket from the crankshaft.
No
te the orientation of the
sprocket relative to the
sprocket for the B-Bank drive (half a tooth out of line) and
remove the sprocket.
22. Clean and inspect all relevant components.
1. If removed previously, fit the sprocket to the crankshaft.

The
teeth of the A-Bank and the B-Bank sprockets on the
crankshaft must be out of phas e with each other. If they
are in-phase after fitting, remo ve the sprocket, turn it on
its vertical axis and refit it.

2. Fi
t the chain tensioning tool 303 - 532 to the exhaust camshaft
sprocket.
Re po
sition the sprocket (and
the VVT unit) for the most
advantageous position for use of the tool.
R e
move the tool.

3. Re
fit the primary timing chain.
1. Fit the primary chain to position over the crankshaft sprocket and the VVT unit sprocket. There must be no
slack on the drive side of the primary chain and the
VVT unit must not be rotated on the camshaft.

4. Fit the primary chain tensioner
blade.
1. Position the tensioner blade to the cylinder block.
2. Fit the retaining / pivot bolt and tighten it to 12-16 Nm.
5. Refit the primary chain tensione r assembly. Refer to Operation
12.65.54 in this Section.
U s
e a wedge 303 - 533 (or two if required) between the
primary chain tensioner and te nsioner blade, to take up
the slack in the chain.

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.