INTERMEDIATE REDUCTION DRIVE
41-6 REPAIRS
Refit
1.Clean mating faces of IRD and gearbox.
2.Lubricate and fit new 'O' ring
3.With assistance, fit IRD.
4.Fit bolts securing IRD to gearbox and tighten
sufficiently only to pull mating faces of IRD and
gearbox together at this stage.
5.Fit IRD support brackets, tighten sufficiently to
pull mating faces together.
6.Final tighten bolts securing IRD to gearbox to
90 Nm (66 lbf.ft).
7.Final tighten bolts securing IRD support
brackets in the following sequence:
lM8 bolts securing support brackets to IRD
37 Nm (22 lbf.ft)
lM10 bolts securing support brackets to IRD
50 Nm (22 lbf.ft)
l3 bolts securing support bracket to cylinder
block 25 Nm (18 lbf.ft)
l3 bolts securing support bracket to sump at
45 Nm (33 lbf.ft).
8.Position lower engine steady, 'TOP' mark
uppermost. Fit bolt but do not tighten at this
stage.
9.Connect coolant hoses and secure with clips.
10.Connect breather hose to IRD housing.
11.Clean propeller shaft flange and mating face.
12.Fit propeller shaft to IRD flange and align
marks. Tighten nuts and bolts to 40 Nm (30
lbf.ft).
13.Inspect drive shaft oil seal, renew if worn or
damaged.14.Clean drive shaft and flange splines.
15.Fit new circlip to drive shaft.
16.With assistance, pull hub outwards, align drive
shaft and fit to IRD taking care not to damage
oil seal.
17.Fit splash shield and secure with bolts.
18.Fit exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- Td4, REPAIRS, Exhaust pipe - front.
19.Fit rear beam.
+ FRONT SUSPENSION, REPAIRS,
Rear beam.
20.Final tighten bolt securing lower engine steady
to IRD support bracket to 100 Nm (74 lbf.ft).
21.Remove stand(s) and lower vehicle.
22.Fill IRD to correct level with fluid.
+ INTERMEDIATE REDUCTION
DRIVE, ADJUSTMENTS, Intermediate
reduction drive (IRD) fluid - drain & refill -
Non NAS.
23.Fill gearbox with fluid.
+ MANUAL GEARBOX - GETRAG,
ADJUSTMENTS, Gearbox oil - drain and
refill.
+ AUTOMATIC GEARBOX - JATCO,
ADJUSTMENTS, Gearbox fluid - drain &
refill.
24.Connect battery earth lead.
25.Refill cooling system.
+ COOLING SYSTEM - Td4,
ADJUSTMENTS, Coolant - drain and refill.
INTERMEDIATE REDUCTION DRIVE
REPAIRS 41-9
24.Remove 3 bolts securing IRD support bracket
to sump and remove bracket.
25.Remove 4 bolts securing IRD.
26.With assistance, release IRD from gearbox and
remove.
27.Remove and discard 'O' ring from IRD.
Refit
1.Clean mating faces of IRD and gearbox.
2.Lubricate and fit new 'O' ring
3.With assistance, fit IRD.
4.Fit bolts securing IRD to gearbox and tighten
sufficiently only to pull mating faces of IRD and
gearbox together at this stage.
5.Fit IRD support bracket and tighten bolts
sufficiently only to pull mating faces together.
6.Final tighten bolts securing IRD to gearbox to
90 Nm (66 lbf.ft).
7.Final tighten bolts securing IRD support bracket
in following sequence:
l5 bolts securing IRD support bracket to IRD
50 Nm (37 lbf.ft)
l1 bolt securing support bracket to cylinder
block to 45 Nm (33 lbf.ft)
l3 bolts securing support bracket to sump 88
Nm (65 lbf.ft).8.Position engine lower steady bracket to sump,
fit and tighten bolts to 100 Nm (74 lbf.ft).
9.Fit engine lower steady, fit bolt securing steady
to gearbox bracket but do not tighten at this
stage.
10.Connect coolant hoses and secure with clips.
11.Connect breather hose to IRD housing.
12.Fit mass damper to pinion housing, fit nuts and
tighten to 25 Nm (18 lbf.ft).
13.Clean propeller shaft flange and mating face.
14.Fit propeller shaft to IRD flange and align
marks. Tighten nuts and bolts to 40 Nm (30
lbf.ft).
15.Inspect drive shaft oil seal, renew if worn or
damaged.
16.Clean drive shaft and flange splines.
17.Fit new circlip to drive shaft.
18.With assistance, pull hub outwards, align drive
shaft and fit to IRD taking care not to damage
oil seal.
CAUTION: Pull the drive shaft to ensure the
circlip is fully engaged and retains the shaft.
19.Fit splash shield and secure with bolts.
20.Fit exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES 1.8, REPAIRS, Exhaust pipe -
front.
21.Fit rear beam.
+ FRONT SUSPENSION, REPAIRS,
Rear beam.
22.Final tighten bolt securing lower engine steady
to sump bracket to 80 Nm (59 lbf.ft).
23.Fill IRD to correct level with fluid.
+ INTERMEDIATE REDUCTION
DRIVE, ADJUSTMENTS, Intermediate
reduction drive (IRD) fluid - drain & refill -
Non NAS.
24.Refill gearbox with oil.
+ MANUAL GEARBOX - PG1,
ADJUSTMENTS, Gearbox oil - drain and
refill.
25.Connect battery earth lead.
26.Refill cooling system.
+ COOLING SYSTEM - K SERIES 1.8,
ADJUSTMENTS, Coolant - refill system.
M12 7167
M41 7698
INTERMEDIATE REDUCTION DRIVE
REPAIRS 41-13
Refit
1.Clean mating faces of IRD and gearbox.
2.Lubricate and fit new 'O' ring
3.With assistance, fit IRD.
4.Fit bolts securing IRD to gearbox and tighten
sufficiently only to pull mating faces of IRD and
gearbox together at this stage.
5.Fit IRD support bracket and tighten bolts
sufficiently only to pull mating faces together.
6.Final tighten bolts securing IRD to gearbox to
90 Nm (66 lbf.ft).
7.Final tighten bolts securing IRD support
bracket in following sequence:
l5 bolts securing support bracket to IRD 50
Nm (37 lbf.ft)
l2 bolts securing support bracket to engine
front mounting bracket 50 Nm (37 lbf.ft)
l3 bolts securing support bracket to sump 88
Nm (65 lbf.ft).
8.Position lower engine steady, 'TOP' mark
uppermost. Fit bolt but do not tighten at this
stage.
9.Connect coolant hoses and secure with clips.
10.Connect breather hose to IRD housing.
11.Fit manifold heat shield and fit nut securing
heat shield to pinion housing finger tight.
12.Fit bolts securing manifold heat shield to IRD
support bracket and tighten to 9 Nm (7 lbf.ft).
13.Fit nut securing heat shield to IRD and tighten
to 45 Nm (33 lbf.ft).
14.Final tighten nut securing manifold heat shield
to IRD pinion housing to 25 Nm (18 lbf.ft).
15.Clean propeller shaft flange and mating face.
16.Fit propeller shaft to IRD flange and align
marks. Tighten nuts and bolts to 40 Nm (30
lbf.ft).
17.Inspect drive shaft oil seal, renew if worn or
damaged.
18.Clean drive shaft and flange splines.
19.Fit new circlip to drive shaft.
20.With assistance, pull hub outwards, align drive
shaft and fit to IRD taking care not to damage
oil seal.
CAUTION: Pull the drive shaft to ensure the
circlip is fully engaged and retains the shaft.21.Fit splash shield and secure with bolts.
22.Fit exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Front pipe - Non
NAS.
23.Fit rear beam.
+ FRONT SUSPENSION, REPAIRS,
Rear beam.
24.Final tighten bolt securing lower engine steady
to IRD support bracket to 100 Nm (74 lbf.ft).
25.Fill IRD to correct level with fluid.
+ INTERMEDIATE REDUCTION
DRIVE, ADJUSTMENTS, Intermediate
reduction drive (IRD) fluid - drain & refill -
Non NAS.
+ INTERMEDIATE REDUCTION
DRIVE, ADJUSTMENTS, Intermediate
reduction drive (IRD) lubrication system -
drain & refill - NAS.
26. NAS models: Fit RH catalytic converter.
+ EMISSION CONTROL, REPAIRS,
Catalytic converter - RH - KV6 - NAS.
27. NAS models: Fit LH exhaust manifold gasket.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Gasket(s) -
exhaust manifold - LH - NAS.
28.Fill gearbox with fluid.
+ AUTOMATIC GEARBOX - JATCO,
ADJUSTMENTS, Gearbox fluid - drain &
refill.
29.Connect battery earth lead.
30.Refill cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
AUTOMATIC GEARBOX - JATCO
44-14 REPAIRS
18.Remove 2 bolts securing torque converter
access plate.
19.Remove access plate.
20.Mark drive plate to torque converter, for refit
purposes.
21.Remove 4 bolts securing drive plate to
converter.
22.Remove bolt securing IRD cooling hose
retainer. Remove retainer.23.Remove bolts securing LRT-44-026 lifting
bracket to gearbox and remove bracket.
24.Remove 3 bolts securing starter motor to
gearbox noting that the LH bolt also secures
the mounting bracket for the CKP sensor
multiplug.
25.Remove starter motor.
M44 1661
M44 1649
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
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
44-30 REPAIRS
Fluid cooler - Td4
$% 44.24.10
Remove
1.Disconnect battery earth lead.
2.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
3.Position container to collect coolant spillage.
4.Release 2 clips and disconnect coolant hoses
from fluid cooler.
5.Position container to collect fluid spillage.
6.Disconnect 2 fluid cooler hose unions and
discard 'O' rings.
7.Remove 3 bolts securing fluid cooler bracket.
8.Remove fluid cooler.Refit
1.Clean cooler mounting points.
2.Position fluid cooler to mounting, fit bolts,
tighten 2 bolts to 45 Nm (33 lbf.ft) and
remaining bolt to 25 Nm (18 lbf.ft).
3.Connect coolant hoses and secure with clips.
4.Lubricate new 'O' rings with clean transmission
fluid and fit to fluid cooler hoses.
5.Connect hoses to fluid cooler and tighten
unions to 18 Nm (13 lbf.ft).
6.Top-up gearbox fluid level.
+ MAINTENANCE, MAINTENANCE,
Automatic Gearbox – JATCO.
7.Connect battery earth lead.
8.Refill cooling system.
+ COOLING SYSTEM - Td4,
ADJUSTMENTS, Coolant - drain and refill.
9.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.