Page 593 of 2490
Engine - Cr
ankshaft
Pulley4.0L 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.
Page 594 of 2490

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e damper only needs to be withdrawn along the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.
Page 595 of 2490

I
nstallation
11
.
Remove the crankshaft front seal.
1. Install and tighten the removal tool 303-541 to the crankshaft front seal.
2. Tighten the centre bolt of the tool to extract the seal.
R
emove the tool an
d seal assembly.
Separate the seal
from the tool.
12. Very carefully clean the thread s of the crankshaft, using a
plug tap M16x2, to remove all old cured sealant.
Kee
p the tap horizontal. Do not enlarge the crankshaft
thread - remove sealant only.
13. Clean all relevant parts and faces.
1. Loc
ate the new oil seal into the timing cover.
1. Remove the transit ring from the oil seal.
2. Position the seal to the timing cover.
2. Inst
all the new oil seal to the timing cover.
1. Install oil seal replacer tool 303-542 to the oil seal.
2. Use the nut and bolt provided with the tool, to fully seat the seal to the timing cover. Only tighten the nut
sufficiently to locate the seal and no more, or the
timing cover could become distorted.
All
ow the tool to stay in posi
tion against the seal for at
least five seconds.
R
emove the special tool from the seal.
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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.
Page 597 of 2490
C
rankshaft Pulley Vehicles With: Supercharger 12.21.09
Special Service tools
C
rankshaft locking, main tool
303-191
A
daptor
303-191-02
A
daptor
303-191-03
Page 598 of 2490
Cr
ankshaft front seal remover
303-541
Cr
ankshaft front seal replacer
303-542
Cr
ankshaft pulley/damper remover
303-588
Removal
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 drive belt. Refer to Operation <<18.50.08>>.
4. Remove the drive belt from the front accessory drive. Refer to Operation <<12.10.40>>.
Page 599 of 2490
5
. Remove the twin fan and motor assembly for access. Refer to Operation 26.25.12
6
.
C
AUTION:
Under no circumstances 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 converter 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 crankshaft/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. Remove the locking tool from the damper. Remove the damper securing bolt.
Page 600 of 2490
8.
NOTE:
The damper only needs to be withdrawn along the crankshaft nose by approximately 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.
Assemble the puller to the damper.
Extract the damper from the crankshaft.
9. Remove the puller components from the damper. Remove the thrust button from the end of the crankshaft.
10
. Remove the split locking ring from the damper.