Page 374 of 1007
MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-1
MANIF OLDS & EX HAUST SYSTEMS - K SERIES KV6 REPAIRS
Front pipe - Non NAS
$% 30.10.09
Remove
1.Remove gear selector knob.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gear knob.
2.Release clips securing selector lever trim panel
to centre console and move trim panel aside.
3.Release and disconnect post catalyst HO2S
multiplug.
4.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
5.Release grommet and withdraw HO2S harness
multiplug through grommet aperture.6.Remove nut securing exhaust heat shield to
mounting bracket.
7.Remove 2 nuts securing heat shield to IRD
pinion housing.
8.Remove heat shield.
9.Remove 4 nuts securing front pipe flanges to
exhaust manifolds.
10.Release manifold flanges.
Page 382 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-9
Gasket - exhaust manifold - RH - Non
NAS
$% 30.15.16
Remove
1.Disconnect battery earth lead.
2.Release RH HO2S multiplug from coolant rail
bracket and disconnect multiplug.
3.Remove bolt securing upper RH engine steady
to top arm.
4.Loosen bolt securing upper RH engine steady
to body, pivot engine steady away from top
arm.
5.Raise vehicle on a ramp.
6.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
7.Remove exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Front pipe - Non
NAS.8.Remove bolt securing lower engine steady to
sump mounting bracket.
9.Loosen bolt securing lower engine steady to
subframe, pivot steady away from sump
mounting bracket.
10.Remove cable tie and release gear selector
cable from clip on body.
11.Remove 2 bolts securing IRD heat shield to
lower engine steady mounting bracket.
12.Remove nut securing heat shield to IRD pinion
housing.
13.Remove nut securing heat shield to IRD
housing and remove heat shield.
M30 0996
M12 6597
Page 383 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-10 REPAIRS
14.Remove 4 nuts securing RH exhaust manifold
to cylinder head.
15.Remove exhaust manifold, remove and discard
gasket.
Refit
1.Clean exhaust manifold and mating face on
cylinder head.
2.Fit new exhaust manifold gasket, position
exhaust manifold, fit nuts and tighten to 45 Nm
(33 lbf.ft).
3.Position heat shield to IRD unit.
4.Fit nut securing heat shield to IRD housing and
tighten to 45 Nm (33 lbf.ft).
5.Fit nut securing heat shield to IRD pinion
housing and tighten to 25 Nm (18 lbf.ft).
6.Fit 2 bolts securing heat shield to lower engine
steady mounting bracket and tighten to 9 Nm (7
lbf.ft).
7.Fit gear selector cable in body clip and secure
with cable tie.
8.Position lower engine steady to sump
mounting, fit and tighten bolt to 100 Nm (74
lbf.ft).
9.Tighten bolt securing lower engine steady to
subframe to 100 Nm (74 lbf.ft).
10.Fit exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Front pipe - Non
NAS.
11.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
12.Lower vehicle on ramp.
13.Connect RH HO2S multiplug, secure multiplug
in coolant rail bracket.
14.Position upper RH engine steady to top arm, fit
and tighten bolt to 100 Nm (74 lbf.ft).
15.Tighten bolt securing upper RH engine steady
to body to 100 Nm (74 lbf.ft).
16.Connect battery earth lead.
Gasket(s) - exhaust manifold - RH - KV6 -
NAS
$% 30.15.16
Remove
1.Disconnect battery earth lead.
2.Remove RH catalytic converter.
+ EMISSION CONTROL, REPAIRS,
Catalytic converter - RH - KV6 - NAS.
3.Remove 4 nuts securing exhaust manifold to
cylinder head, remove manifold and discard
gasket.
Refit
1.Clean exhaust manifold and mating face.
2.Using new gasket, fit exhaust manifold and
tighten nuts to 45 Nm (33 lbf.ft).
3.Fit RH catalytic converter.
+ EMISSION CONTROL, REPAIRS,
Catalytic converter - RH - KV6 - NAS.
4.Connect battery earth lead.
Page 404 of 1007

INTERMEDIATE REDUCTION DRIVE
ADJUSTMENTS 41-1
INTERMEDIATE RE DUCTION DRIVE ADJUST ME NTS
Intermediate reduction drive (IRD) fluid -
drain & refill - Non NAS
$% 41.25.06
Drain
1.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
2.Place container beneath IRD unit.
WARNING: Observe due care when draining
gearbox fluid as the fluid can be very hot.
3.Clean area around filler/level and drain plugs.
4.Remove filler/drain plugs and discard sealing
washers. Allow fluid to drain.
NOTE: The fluid should be drained with the
transmission at normal operating temperature.
5.Fit new sealing washer and tighten drain plug to
35 Nm (26 lbf.ft).Refill
1.Fill with correct fluid until it just runs from filler/
level hole. Allow sufficient time for fluid to flow
and reach a common level in unit.
+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS,
Lubrication.
2.Fit new sealing washer and tighten filler/level
plug to 35 Nm (26 lbf.ft).
3.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
Page 405 of 1007

INTERMEDIATE REDUCTION DRIVE
41-2 ADJUSTMENTS
Intermediate reduction drive (IRD)
lubrication system - drain & refill - NAS
$% 41.25.06
Drain
1.Remove underbelly panel
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
2.Place container beneath IRD unit.
WARNING: Observe due care when draining
gearbox fluid as the fluid can be very hot.
3.Clean area around filler/level and drain plugs.
4.Using LRT-41-021 remove filler plug and
discard sealing washer.5.Remove drain plug, discard sealing washer and
allow oil to drain.
NOTE: The fluid should be drained with the
transmission at normal operating temperature.
6.Fit new sealing washer and tighten drain plug to
35 Nm (26 lbf.ft).
Refill
1.Fill with fluid until it just runs from filler/level
hole. Allow sufficient time for fluid to flow and
reach a common level in unit.
+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS,
Lubrication.
2.Fit new sealing washer and tighten filler/level
plug to 35 Nm (26 lbf.ft).
3.Fit underbelly panel
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
M417853
LRT-41-021
M41 7687
Page 406 of 1007

INTERMEDIATE REDUCTION DRIVE
REPAIRS 41-3
REPAIRS
Intermediate reduction drive (IRD) unit -
Td4
$% 41.25.01.99
Remove
1.Disconnect battery earth lead.
2.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.
3.Remove rear beam.
+ FRONT SUSPENSION, REPAIRS,
Rear beam.
4.Remove exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- Td4, REPAIRS, Exhaust pipe - front.
5.Drain fluid from IRD.
+ INTERMEDIATE REDUCTION
DRIVE, ADJUSTMENTS, Intermediate
reduction drive (IRD) fluid - drain & refill -
Non NAS.
6.Drain gearbox fluid.
+ MANUAL GEARBOX - GETRAG,
ADJUSTMENTS, Gearbox oil - drain and
refill.
+ AUTOMATIC GEARBOX - JATCO,
ADJUSTMENTS, Gearbox fluid - drain &
refill.
7.Remove 3 bolts securing RH splash shield to
body and remove shield.8.Secure LRT-54-026 to drive shaft inboard joint.
Using a suitable lever, release drive shaft from
IRD.
9.With assistance, pull hub outwards and release
drive shaft from IRD.
10.Remove and discard drive shaft circlip.
11.Reference mark front propeller shaft for
reassembly.
12.Raise one rear wheel for rotation of propeller
shaft to access bolts.
Page 407 of 1007
INTERMEDIATE REDUCTION DRIVE
41-4 REPAIRS
13.Remove 6 nuts and bolts securing propeller
shaft to IRD drive flange.
14.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.
15.Disconnect breather hose from IRD housing.
16.Position container to collect coolant spillage.17.Release clips and disconnect coolant hoses
from IRD.
18.Remove bolt securing engine lower steady to
IRD support bracket.
19.Remove lower engine steady noting that 'TOP'
mark on engine steady faces uppermost.
20.Remove 3 bolts securing IRD support bracket
to sump.
Page 408 of 1007
INTERMEDIATE REDUCTION DRIVE
REPAIRS 41-5
21.Remove 2 bolts securing support bracket to
IRD.
22.Remove support bracket.
23.Remove 3 bolts, securing IRD upper support
bracket to cylinder block.
24.Remove 2 bolts securing upper support bracket
to IRD.
25.Remove IRD upper support bracket.
26.Remove 4 bolts securing IRD.
27.With assistance, release IRD from gearbox and
remove.28.Remove and discard 'O' ring from IRD.
M41 7698