Page 401 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-28 OVERHAUL
12. NAS models: Remove clip securing vacuum/
breather pipe to engine air intake hose and
disconnect vacuum/breather pipe from air
intake hose. Discard clip.
CAUTION: Always fit plugs to open
connections to prevent contamination.
13. NAS models: Depress locking collars and
release vacuum/breather pipe from LH
camshaft cover, RH camshaft cover link pipe
and inlet manifold chamber. Remove pipe.
CAUTION: Always fit plugs to open
connections to prevent contamination.
14. NAS models: Disconnect multiplug from IAT
and MAF sensors.
15. NAS models: Disconnect multiplug from
throttle body.
16. NAS models: Remove clip securing intake
hose to throttle body, remove intake hose and
MAF sensor assembly. Discard clip.
17. NAS models: Release harness and fuel feed
pipe from clip on inlet manifold chamber.
18.Disconnect multiplugs from VIS motors.19.Remove 2 screws securing engine harness
brackets to inlet manifold chamber and position
harness aside.
20.Release 3 locking clips and disconnect 3
multiplugs from RH plug top coils.
21.Release 2 clips securing RH plug top coil
harness to inlet manifold chamber support
brackets.
M30 1173
M30 1176
Page 403 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-30 OVERHAUL
Refit
1.Clean seal faces on inlet manifold chamber and
inlet manifolds.
2.Fit new 'O' rings to RH inlet manifold and new
seals to inlet manifold chamber.
3.Fit inlet manifold chamber to inlet manifolds
and tighten bolts to 18 Nm (13 lbf.ft).
4.Align inlet manifold chamber support brackets
to RH camshaft cover, fit and tighten bolts to 10
Nm (7 lbf.ft).
5.Position engine harness brackets to inlet
manifold chamber, fit and tighten screws.
6.Secure RH plug top coil harness to manifold
chamber support brackets.
7.Connect multiplugs to plug top coils and secure
with locking clips.
8.Connect multiplugs to VIS motors.
9. NAS models: Align harness and fuel feed pipe.
Secure harness and pipe in clip on manifold
chamber.
10. NAS models: Using a new clip, fit intake hose
to throttle body and secure hose with clip.
11. NAS models: Connect multiplug to throttle
body.
12. NAS models: Connect multiplugs to IAT and
MAF sensors.13. NAS models: Fit vacuum/breather pipe and
connect to LH camshaft cover, RH camshaft
cover link pipe and inlet manifold chamber.
14. NAS models: Using a new clip, fit vacuum/
breather pipe to engine air intake hose and
secure pipe with clip.
15. NAS models: Connect vacuum/breather pipe
to LH and RH camshaft covers. Fit pipe into
clip.
16. Non NAS models: Fit vacuum/breather pipe to
throttle body and connect pipe to LH and RH
camshaft covers.
17. Non NAS models: Fit vacuum/breather pipe to
purge control valve and LH camshaft cover.
Using a new clip, connect pipe to 'T' piece and
secure pipe with clip.
18. Non NAS models: Connect multiplug to TP
sensor.
19. Non NAS models: Connect multiplug to IACV.
20. Non NAS models: Connect vacuum pipe to
IACV.
21. Non NAS models: Connect small vacuum pipe
to purge control valve..
22.Connect multiplug to purge control valve .
23.Fit vacuum enhancer and connect to inlet
manifold chamber.
24.Using a new clip, connect vacuum enhancer to
intake hose and secure hose with clip.
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 409 of 1007

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.
Page 411 of 1007

INTERMEDIATE REDUCTION DRIVE
41-8 REPAIRS
10.Reference mark front propeller shaft for
reassembly.
11.Raise one rear wheel for rotation of propeller
shaft to access bolts.
12.Remove 6 nuts and bolts securing propeller
shaft to IRD drive flange.
13.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.
14.Remove 3 nuts securing mass damper to
pinion housing.
15.Remove mass damper.
16.Disconnect breather hose from IRD housing.
17.Position container to collect coolant spillage.
18.Release clips and disconnect coolant hoses
from IRD.19.Remove bolt securing engine lower steady to
bracket on sump.
20.Remove engine lower steady.
21.Remove 3 bolts securing lower engine steady
bracket to sump and remove bracket.
22.Remove upper bolt securing IRD support
bracket to cylinder block.
23.Remove 5 bolts securing support bracket to
IRD.
M12 7142M12 7144
M12 7165
M12 7166
Page 412 of 1007

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
Page 414 of 1007

INTERMEDIATE REDUCTION DRIVE
REPAIRS 41-11
12.Reference mark front propeller shaft for
reassembly.
13.Raise one rear wheel for rotation of propeller
shaft to access bolts.
14.Remove 6 nuts and bolts securing propeller
shaft to IRD drive flange.
15.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.
16.Remove nut securing manifold heat shield to
IRD unit.
17.Remove nut securing heat shield to IRD pinion
housing.
18.Remove 2 bolts securing heat shield and
remove heat shield.19.Disconnect breather hose from IRD housing.
20.Position container to collect coolant spillage.
21.Release clips and disconnect coolant hoses
from IRD.
22.Remove bolt securing engine lower steady to
IRD support bracket.
23.Remove lower engine steady noting that 'TOP'
mark on engine steady faces uppermost.
Page 415 of 1007
INTERMEDIATE REDUCTION DRIVE
41-12 REPAIRS
24.Remove 3 bolts securing IRD support bracket
to sump.
25.Remove 2 bolts securing IRD support bracket
to engine front mounting plate.
26.Remove 5 bolts securing support bracket to
IRD.
27.Remove support bracket.28.Remove 4 bolts securing IRD.
29.With assistance, release IRD from gearbox and
remove.
30.Remove and discard 'O' ring from IRD.
M41 7698