1998 JAGUAR X308 Amp

1
2.60.48.
12. Install the old bolt which secu red the crankshaft damper, to
allow the crankshaft to be rotated. Use a new bolt on final
installation.
13. The following group of instructions (until stated otherwise)
describe the procedure to rene w the bearing shells in one
connecting rod. Repeat the instructions as necessary.

14
.
Rotate the crankshaft until th e required connecting rod bolts
are accessible.
1. Remove the bolts which secure the bearing cap.
2. Note the position of the identification marks and remove the cap.
Remove the
bearing shell from the cap and note the grade

(colour coded).

15
.
Carefully move the connecting rod and piston assembly
towards the cylinder head to di sconnect it from the crankshaft.
Rotate the crankshaft slightly if necessary.

16
.
Remove the bearing shell from the connecting rod and note
the grade (colour coded). The crankpin grades are also
stamped on the cylinder block.
17. Refer to the Specification Sectio n for details of the crankpin
and bearing shell grades.
18. Clean all components and mating faces.
19. Install and align the new bearing shell to the connecting rod.

Engine - Cr
ankshaft Fron
t Seal4.0L NA V8 - AJ 27/3.2L NA V8 - AJ26
In-v
ehicle Repair
Remov

al
S
pecial Tool(s)

Cr

ankshaft locking, main tool
303-191

Adaptor

303-191-02

Crankshaft front
seal remover
303-541

Crankshaft front seal replacer
3
03-542

Crankshaft pull

ey/damper remover
303-588
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.
3. Remove the drive belt from the fro nt accessory drive. Refer to
Operation 12.10.40.
4. Remove the twin fan and motor assembly for access. Refer to
Operation 26.25.12
5. CAUTION: Under no circumstan ces should the crankshaft
setting peg 303-531 be used in the following operations, to lock
the crankshaft.
• NOTE: Should extra locking of the crankshaft be required, use a
lever against one torque converte r boss. Remove the plastic mesh
cover from the torque converter housing for access.

Instal
l the crankshaft locking tool to the damper.
1. Install adaptor 303-191-02 to the main locking tool 303-191.
2. Reposition the cranks haft/damper to align the
mounting holes and install the locking tool to the
damper using the bolts provided with the tool.
3. Loosen, but do not remove the damper securing bolt
from the crankshaft.
6. Remove the locking tool from the damper.
Remove
the damper securing bolt.

7. NOTE : Th
e damper only needs to be withdrawn along the
crankshaft nose by approximat ely 2mm before removing the
puller. The damper will then either be loose or only require a
sharp tap with a mallet to release it from the split locking ring.
Remove the damper from the crankshaft.
1. Transfer the adaptor 303 -191-02 from the crankshaft
locking tool to the damper extractor tool 303-588
(Use the socket head screws provided with the
puller).
2. Locate the thrust button into the end of the crankshaft; the O-ring holds it in place.
Ass
emble the puller to the damper.
Ex
trac
t the damper from the crankshaft.
8. Remove the puller components from the damper.
Re
move the thrust button from the end of the crankshaft.

9. Re
move the split locking ring from the damper.
10. Remove the internal O-ring seal.

3.
If
the damper is not to be installed immediately, the transit
ring should be installed temporarily to the seal.

4. Install a new O-ri
ng seal to the damper.

5. Instal
l the crankshaft damper.
Apply petroleum jelly to the damper

bore and O-ring seal.

1. Install the damper onto the crankshaft.
2. Install the split locking ring onto the crankshaft,
inside the centre bo re of the damper.
3. Install, but do not tigh ten, a new damper securing
bolt.

6. CAUTIO
N: Under no circumstan
ces should the crankshaft
setting peg 303-531 be used in the following operations, to lock
the crankshaft.
Tighten the damper securing bolt. 1. Reposition the damper to allow access to the bolt holes for installing the locking tool.
2. Install the locking tool (303-01 and 303-01-02) to the
damper using the bolts provided.
3. Fully tighten the damper securing bolt to 364-386 Nm.
7. Re
move the locking tool from the damper.
8. Install the drive belt to the fr ont accessory drive. Refer to
Section 303-05.
9. Install the twin fan and motor assembly. Refer to Section 303-
03.
10. Install the plastic mesh cove r to the torque converter
housing; if removed for acce ss to lock the crankshaft.
11. Reset the engine compartment cover to the normal position
and connect the gas struts.
12. Remove the paintwork protection sheets and close the engine
compartment.

Engine - Cr
ankshaft Fron
t Seal4.0L SC V8 - AJ26
In-v
ehicle Repair
Remov

al
S
pecial Tool(s)

Cr

ankshaft locking, main tool
303-191

Adaptor

303-191-02

Adaptor

303-191-03

Crankshaft front
seal remover
303-541

Crankshaft front seal replacer
3
03-542

Crankshaft pull

ey/damper remover
303-588
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.
3. Remove the supercharger driv e belt. Refer to Operation
18.50.08.
4. Remove the drive belt from the fro nt accessory drive. Refer to
Operation 12.10.40.

5. Re
move the twin fan and motor
assembly for access. Refer to
Operation 26.25.12

6. CAUTIO
N: Under no circumstan
ces should the crankshaft
setting peg 303-531 be used in the following operations, to lock
the crankshaft.
• NOTE: Should extra locking of the crankshaft be required, use a
lever against one torque converte r boss. Remove the plastic mesh
cover from the torque converter housing for access.
Install the crankshaft locking tool to the damper. 1. Install adaptor 303-191-03 to the main locking tool 303-191.
2. Reposition the cranks haft/damper to align the
mounting holes and install the locking tool to the
damper using the bolts provided with the tool.
3. Loosen, but do not remove the damper securing bolt
from the crankshaft.
7. Re
move the locking tool from the damper.
Re
move
the damper securing bolt.

8. NOTE : Th
e damper only needs to be withdrawn along the
crankshaft nose by approximat ely 2mm before removing the
puller. The damper will then either be loose or only require a
sharp tap with a mallet to release it from the split locking ring.
Remove the damper from the crankshaft.
1. Install adaptor 303-191-02 to the damper extractor tool 303-588 (Use the socket head screws provided
with the puller).
2. Locate the thrust button into the end of the crankshaft; the O-ring holds it in place.
Ass
emble the puller to the damper.
Ex
trac
t the damper from the crankshaft.
9. Remove the puller components from the damper.
Re
move the thrust button from the end of the crankshaft.

10 . R
emove the split locking ring from the damper.
11. Remove the internal O-ring seal.

3.
If
the damper is not to be installed immediately, the transit
ring should be installed temporarily to the seal.

4. Install a new O-ri
ng seal to the damper.

5. Instal
l the crankshaft damper.
Apply petroleum jelly to the damper

bore and O-ring seal.

1. Install the damper onto the crankshaft.
2. Install the split locking ring onto the crankshaft,
inside the centre bo re of the damper.
3. Install, but do not tigh ten, a new damper securing
bolt.

6. CAUTIO
N: Under no circumstan
ces should the crankshaft
setting peg 303-531 be used in the following operations, to lock
the crankshaft.
Tighten the damper securing bolt.
1. Reposition the damper to allow access to the bolt holes for installing the locking tool.
2. Install the locking tool (303-191 and 303-191-03) to the damper using the bolts provided.
3. Fully tighten the damper securing bolt to 364-386 Nm.
7. Re
move the locking tool from the damper.
8. Install the drive belt to the fr ont accessory drive. Refer to
Operation 12.10.40.
9. Install the supercharger driv e belt. Refer to Operation
18.50.08.
10. Install the twin fan and motor assembly. Refer to Section
303-03.
11. Install the plastic mesh cove r to the torque converter
housing; if removed for acce ss to lock the crankshaft.
12. Reset the engine compartment cover to the normal position
and connect the gas struts.
13. Remove the paintwork protection sheets and close the engine
compartment.

2.
Release the carrier from
the two ring dowels and
remove it.

6. Re
move 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. Re
move the VVT bush carrier from the B-Bank.
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.

8. Re
move 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.
9. Raise the vehicle on a ramp.
10. Remove the crankshaft position sensor.
1. Remove the bolt which secures the crankshaft position sensor to the flywheel housing.
1. Re move
the sensor and allow it to hang free under
the engine.