
INTERMEDIATE REDUCTION DRIVE
REPAIRS 41-25
Seal - driveshaft - RH
$% 41.29.09
Remove
1.Remove RH drive shaft.
+ DRIVESHAFTS, REPAIRS, Shaft
with both joints - RH.
2.Carefully remove and discard oil seal, take care
not to damage oil seal recess.
Refit
1.Clean oil seal recess.
2.Locate seal on tool LRT-37-031 and replacer
LRT-37-027 with sealing lip facing towards
housing.
3.Carefully drift oil seal into housing until fully
seated in recess.
4.Fit RH drive shaft.
+ DRIVESHAFTS, REPAIRS, Shaft
with both joints - RH.
Seal - pinion gear housing - Td4
$% 41.29.11
Remove
1.Raise front of vehicle.
WARNING: Do not work on or under a
vehicle supported only by a jack. Always
support the vehicle on safety stands.
2.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
3.Drain fluid from IRD.
+ INTERMEDIATE REDUCTION
DRIVE, ADJUSTMENTS, Intermediate
reduction drive (IRD) fluid - drain & refill -
Non NAS.
4.Raise one rear wheel for rotation of propeller
shaft to access bolts.
5.Reference mark front propeller shaft for
reassembly.
6.Remove 6 nuts and bolts securing propeller
shaft to IRD drive flange.
7.Release propeller shaft from IRD drive flange
and tie shaft aside.
CAUTION: Care must be taken to support
the Tripode joint when removed from the
IRD unit. To avoid damage to gaiter or steel
can, the joint should not be allowed to fully
extend or be dropped.

AUTOMATIC GEARBOX - JATCO
REPAIRS 44-11
Oil seal - torque converter
$% 44.17.11
Remove
1.Remove gearbox assembly.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gearbox - KV6.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gearbox - Td4.
2.Remove torque converter from gearbox.
Discard 'O' ring from gearbox input shaft.
3.Remove torque converter oil seal from
gearbox. Discard torque converter oil seal.
CAUTION: When removing torque converter
oil seal take care not to damage oil pump
housing.Refit
1.Clean torque converter spigot.
2.Clean torque converter oil seal recess in
gearbox. Lubricate torque converter oil seal
with clean transmission fluid.
+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS,
Lubrication.
3.Fit new torque converter oil seal using LRT-44-
024.
4.Lubricate and fit new 'O' ring to input shaft.
5.Fit torque converter.
6.Ensure converter is fully located in oil pump
drive by checking depth 'A' as illustrated.
lKV6 models: Depth A = 4 mm.
lTd4 models: Depth A = 27 mm.
7.Fit gearbox assembly.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gearbox - KV6.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gearbox - Td4.
M44 1659
A

AUTOMATIC GEARBOX - JATCO
44-16 REPAIRS
35.Remove 2 top bolts securing gearbox to
engine.
36.Release gearbox from 2 dowels.
37.Remove gearbox assembly.
38.Fit converter retaining plate and secure with
bolts.Refit
1.Remove torque converter retaining plate.
2.Ensure converter is fully located in oil pump
drive by checking depth 'A' as illustrated. Depth
A = 4 mm.
3.Clean gearbox to engine mating faces, dowels
and dowel holes.
4.Fit gearbox assembly.
5.Fit bolts securing gearbox and tighten to 85 Nm
(63 lbf.ft).
6.Disconnect lifting equipment.
7.Clean CKP sensor and mating face.
8.Fit CKP sensor, fit bolt and tighten to 9 Nm (7
lbf.ft).
9.Position fluid cooler, tighten M12 bolts to 85 Nm
(63 lbf.ft) and M8 bolt to 25 Nm (18 lbf.ft).
10.Connect hoses to fluid cooler.
11.Clean fluid cooler unions.
12.Lubricate new 'O' rings with clean transmission
fluid and fit 'O' rings to fluid cooler hoses.
+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS,
Lubrication.
13.Connect fluid cooler hoses to gearbox and
tighten unions to 18 Nm (13 lbf.ft).
14.Clean starter motor mating faces.
15.Position starter motor to gearbox, align CKP
sensor multiplug bracket, fit and tighten bolts to
45 Nm (33 lbf.ft).
16.Using gearbox bracket bolts, secure LRT-44-
026 lifting bracket to gearbox.
17.Position IRD cooling hose retainer, fit bolt and
tighten to 25 Nm (18 lbf.ft).
18.Align marks on drive plate to torque converter.
19.Fit bolts securing drive plate to torque converter
and tighten bolts to 45 Nm (33 lbf.ft).
20.Clean torque converter access plate.
M44 1689
A
M44 1668

AUTOMATIC GEARBOX - JATCO
44-18 REPAIRS
8.Secure LRT-54-026 to drive shaft inboard joint.
Using a suitable lever, release inboard joint
from gearbox.
9.With assistance pull hub outwards and release
drive shaft from gearbox.
CAUTION: Care must be taken not to
damage oil seal when removing drive shaft
from gearbox
10.Remove and discard circlip from drive shaft.11.Remove 2 bolts securing torque converter
access plate.
12.Remove access plate.
13.Mark drive plate to torque converter, for refit
purposes.
14.Remove 4 bolts securing drive plate to
converter.
15.Remove bolt securing IRD cooling hose
retainer. Remove retainer.
M44 1661
M44 1649

AUTOMATIC GEARBOX - JATCO
44-22 REPAIRS
42.Remove 2 top bolts securing gearbox to
engine.
43.Release gearbox from 2 dowels.
44.Manoeuvre and lower gearbox to floor.
45.Fit converter retaining plate and secure with
bolts.Refit
1.Remove torque converter retaining plate.
2.Ensure converter is fully located in oil pump
drive by checking depth 'A' as illustrated. Depth
A = 4 mm.
3.Clean gearbox to engine mating faces, dowels
and dowel holes.
4.Fit gearbox assembly.
5.Fit bolts securing gearbox and tighten to 85 Nm
(63 lbf.ft).
6.Position LH mounting bracket to gearbox, fit
and tighten bolts to 85 Nm (63 lbf.ft).
7.Position LH mounting to body, fit and tighten
bolts to 48 Nm (35 lbf.ft).
8.Align gearbox bracket to LH body mounting, fit
and tighten through bolt to 100 Nm (74 lbf.ft).
9.Disconnect lifting equipment.
10.Remove nuts and bolts securing lifting brackets
to gearbox and remove brackets.
11.Connect engine and gearbox harness
multiplugs to main harness.
12.Secure multiplugs to clips.
13.Position engine earth lead and secure with bolt.
14.Fit starter motor.
+ CHARGING AND STARTING,
REPAIRS, Starter motor - KV6.
15.Clean throttle housing and manifold chamber
mating faces.
16.Fit new seal to inlet manifold chamber.
17.Position throttle housing to manifold chamber,
fit Torx screws and tighten to 7 Nm (7 lbf.ft).
18.Connect throttle inner cable to throttle cam and
secure outer cable in abutment bracket, if fitted.
19.Connect hose to cruise control actuator.
20.Secure breather hoses to throttle housing, if
fitted.
21.Adjust throttle cable, if fitted.
+ FUEL DELIVERY SYSTEM -
PETROL, ADJUSTMENTS, Throttle cable -
check and adjust - KV6.
22.Clean CKP sensor and mating face.
M44 1689
A
M44 1668

AUTOMATIC GEARBOX - JATCO
REPAIRS 44-23
23.Fit CKP sensor, fit bolt and tighten to 9 Nm (7
lbf.ft).
24.Position fluid cooler, tighten M12 bolts to 85 Nm
(63 lbf.ft) and M8 bolt to 25 Nm (18 lbf.ft).
25.Clean fluid cooler unions.
26.Lubricate new 'O' rings with clean transmission
fluid and fit 'O' rings to fluid cooler hoses.
+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS,
Lubrication.
27.Connect fluid cooler hoses to gearbox and
tighten unions to 18 Nm (13 lbf.ft).
28.Clean exhaust manifold and mating face on
cylinder head.
29.Fit exhaust manifold gasket.
30.Position exhaust manifold, fit nuts and
progressively tighten, from centre outwards to
45 Nm (33 lbf.ft).
31.Connect HO2S multiplug and secure to support
bracket.
32.Position IRD cooling hose retainer, fit bolt and
tighten to 25 Nm (18 lbf.ft).
33.Align marks on drive plate to torque converter.
34.Fit bolts securing drive plate to torque converter
and tighten bolts to 45 Nm (33 lbf.ft).
35.Clean torque converter access plate.
36.Position access plate, fit bolts and tighten to 9
Nm (7 lbf.ft).
37.Clean end of drive shaft and mating splines in
gearbox.
38.Fit new circlip to LH drive shaft.
39.With assistance pull hub outwards, align drive
shaft and fit to gearbox, taking care not to
damage drive shaft oil seal.
CAUTION: Pull the drive shaft to ensure the
circlip is fully engaged and retains the shaft.
40.Fit splash shield and secure with bolts.
41.Position trunnion to selector lever, locate inner
cable through trunnion, do not tighten nut at this
stage.
42.Position selector cable to gearbox bracket and
secure with clip.
43.Adjust selector cable.
+ AUTOMATIC GEARBOX - JATCO,
ADJUSTMENTS, Selector cable - adjust.
44.Fit IRD.
+ INTERMEDIATE REDUCTION
DRIVE, REPAIRS, Intermediate reduction
drive (IRD) unit - KV6.
45.Connect battery earth lead.
46.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
47.Untie and close bonnet.
Gearbox - Td4
$% 44.20.02.99
Remove
1.Disconnect battery earth lead.
2.Tie bonnet back in upright position.
3.Remove intake ducting assembly.
+ FUEL DELIVERY SYSTEM - DIESEL,
REPAIRS, Ducting - intake assembly.
4.Remove fluid cooler.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Fluid cooler - Td4.
5.Remove starter motor.
+ CHARGING AND STARTING,
REPAIRS, Starter motor - Td4.
6.Remove IRD.
+ INTERMEDIATE REDUCTION
DRIVE, REPAIRS, Intermediate reduction
drive (IRD) unit - Td4.
7.Secure LRT-54-026 to drive shaft inboard joint.
Using a suitable lever, release inboard joint
from gearbox.
8.With assistance, pull hub outwards and remove
LH drive shaft from gearbox.
CAUTION: Pull the drive shaft horizontally
to avoid damaging the differential oil seal.

AUTOMATIC GEARBOX - JATCO
44-26 REPAIRS
26.Remove lower bolt securing gearbox.
27.Remove 2 upper bolts securing gearbox to
engine.
28.Release gearbox from 2 dowels.
29.Manoeuvre and lower gearbox to floor.
30.If necessary remove displaced gearbox closing
panel.31.Fit converter retaining plate and secure with
bolts.
Refit
1.Clean gearbox closing panel.
2.Ensure closing plate is in position on engine
and located on dowels.
3.Clean drive plate and ensure free from cracks
and distortion.
4.Clean gearbox to engine mating faces, dowels
and dowel holes.
5.Remove torque converter retaining plate.
6.Ensure torque converter is fully located in oil
pump drive by checking depth 'A' as illustrated.
Depth A = 27 mm.
7.Fit lifting chains to eyes and take weight of
gearbox.
8.Raise gearbox and engage with dowels. Fit
bolts securing gearbox to engine and tighten to
85 Nm (63 lbf.ft).
9.Fit bolt securing closing plate to gearbox and
tighten to 10 Nm (7.5 lbf.ft).
10.Remove lifting chains from gearbox.
11.Fit mounting bracket to gearbox and tighten
bolts to 85 Nm (63 lbf.ft).
12.Raise engine, align bracket to mounting and
tighten through bolt to 100 Nm (74 lbf.ft).
13.Remove engine support chains.
14.Align torque converter to drive plate and tighten
bolts to 45 Nm (33 lbf.ft).
15.Fit grommet to access plate.
16.Fit trunnion to selector lever, fit inner cable to
trunnion and secure outer cable to abutment
bracket.
17.Adjust selector cable.
+ AUTOMATIC GEARBOX - JATCO,
ADJUSTMENTS, Selector cable - adjust.
18.Connect gearbox harness multiplugs and fit to
clips.
19.Position earth lead to gearbox and tighten bolt
to 25 Nm (18 lbf.ft).
20.Connect intercooler hose and tighten clip.
M44 1687
M44 1686
M44 1689

AUTOMATIC GEARBOX - JATCO
REPAIRS 44-27
21.Fit new circlip to LH drive shaft.
22.With assistance, fit LH drive shaft to gearbox,
keep shaft square to prevent damage to oil seal
in gearbox.
23.Fit IRD.
+ INTERMEDIATE REDUCTION
DRIVE, REPAIRS, Intermediate reduction
drive (IRD) unit - Td4.
24.Fit starter motor.
+ CHARGING AND STARTING,
REPAIRS, Starter motor - Td4.
25.Fit fluid cooler.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Fluid cooler - Td4.
26.Fit intake ducting assembly.
+ FUEL DELIVERY SYSTEM - DIESEL,
REPAIRS, Ducting - intake assembly.
27.Connect battery earth lead.
28.Untie and close bonnet.
Fluid pan - reseal
$% 44.24.05
Remove
1.Drain gearbox fluid.
+ AUTOMATIC GEARBOX - JATCO,
ADJUSTMENTS, Gearbox fluid - drain &
refill.
2.Remove fluid cooler.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Fluid cooler - KV6.
3.Release multiplugs from clips attached to fluid
pan.
4.Remove 21 bolts securing fluid pan to gearbox.
5.Remove fluid pan.
Refit
1.Clean fluid pan and mating face on gearbox.
2.Apply sealant, Part No. STC 4600to contact
faces of fluid pan and gearbox.
3.Position fluid pan, fit bolts and tighten
progressively to 7 Nm (5 lbf.ft).
4.Secure multiplugs to clips.
5.Fit fluid cooler.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Fluid cooler - KV6.
6.Fill gearbox with fluid.
+ AUTOMATIC GEARBOX - JATCO,
ADJUSTMENTS, Gearbox fluid - drain &
refill.