Page 385 of 1007
MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-12 REPAIRS
Gasket(s) - exhaust manifold - LH - NAS
$% 30.15.17
Remove
1.Position vehicle on 4 post ramp.
2.Disconnect battery earth lead.
3.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
4.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
5.Using a 3/8" socket bar raise ancillary drive belt
tensioner and release drive belt from alternator
and PAS pump pulleys.
6.Remove 3 bolts securing A/C compressor to
fixing brackets and position compressor aside.
7.Remove compressor heat shield.8.Release and disconnect HO2S multiplug.
9.Release HO2S harness from clip.
10.Release and disconnect post catalyst HO2S
multiplug.
11.Release HO2S harness from clips.
12.Remove 2 nuts securing exhaust front pipe to
exhaust manifold.
M30 1142
M19 3505
M19 3481
Page 386 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-13
13.Remove 4 nuts securing manifold and remove
exhaust manifold.
14.Remove and discard manifold and down pipe
gaskets.
Refit
1.Clean exhaust manifold and mating faces.
2.Using new gaskets, fit exhaust manifold and
tighten nuts to cylinder head to 45 Nm (33 lbf.ft)
and nuts to front pipe to 50 Nm (37 lbf.ft).
3.Connect H02S multiplugs, secure multiplugs to
brackets and harness to clips.
4.Clean compressor and mounting bracket
mating faces.
5.Fit compressor heat shield.
6.Position compressor to mounting and align
heat shield. Fit and tighten bolts to 25 Nm (18
lbf.ft).
7.Using a 3/8" square drive socket bar, raise
ancillary drive belt tensioner and fit drive belt to
pulleys.
8.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
9.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
10.Connect battery earth lead.
Seals - inlet manifold chamber - up to
03MY
$% 30.15.37
Remove
1.Disconnect battery earth lead.
2.Remove vacuum enhancer.
+ BRAKES, REPAIRS, Vacuum -
enhancer - KV6.
3.Position absorbent cloth around fuel feed pipe
connection to collect spillage.
WARNING: The spilling of fuel is
unavoidable during this operation. Ensure
that all necessary precautions are taken to
prevent fire and explosion.
4.Pull back rubber sleeve on fuel pipe connector,
release connector and disconnect fuel pipe
from fuel rail pipe.
CAUTION: Always fit plugs to open
connections to prevent contamination.
Page 387 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-14 REPAIRS
5.Release clip and disconnect hose from purge
control valve.
CAUTION: Always fit plugs to open
connections to prevent contamination.
6.Disconnect multiplug from purge control valve.
7. Non NAS models: Disconnect small vacuum
hose from purge control valve.
8. Non NAS models: Depress locking collar and
release vacuum hose from IACV housing .
9. Non NAS models: Disconnect multiplug from
IACV.
10. Non NAS models: Disconnect multiplug from
TP sensor.
11.Depress locking collars and release vacuum/
breather hose from purge control valve and LH
camshaft cover. Release clip securing hose to
'T' piece and remove hose.
12.Depress locking collars and release vacuum/
breather hoses from throttle body, LH and RH
camshaft cover and remove hose.13. Non NAS models: Release throttle cable from
clips on harness brackets.
14. Non NAS models: Release throttle cable from
abutment bracket and disconnect cable from
throttle body cam.
15. NAS models: Disconnect multiplugs from IAT
and MAF sensors.
16. NAS models: Disconnect engine breather pipe
from intake hose.
Page 388 of 1007
MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-15
17. NAS models: Disconnect injector air supply
pipe from intake hose.
18. NAS models: Disconnect multiplug from
throttle body.
19. NAS models: Release clip and remove intake
hose and MAF sensor assembly.
20.Disconnect cruise control actuator vacuum
pipe.21.Depress locking collar and disconnect brake
servo hose from inlet manifold chamber.
22.Disconnect multiplugs from VIS motors.
23.Remove 2 screws securing engine harness
brackets to inlet manifold chamber and position
harness aside.
M19 3198
Page 389 of 1007
MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-16 REPAIRS
24.Remove 2 bolts securing inlet manifold
chamber rear support brackets to RH camshaft
cover.
25.Remove 4 bolts securing inlet manifold
chamber to LH inlet manifold.
26.Release and raise inlet manifold chamber from
inlet manifolds.27.Release 3 locking clips and disconnect 3
multiplugs from RH plug top coils.
28.Release 2 clips securing RH plug top coil
harness to inlet manifold camber rear support
brackets.
29.Remove inlet manifold chamber.
Page 390 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-17
30.Remove and discard seals from inlet manifold
chamber and 'O' rings from RH inlet manifold.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 manifold chamber.
3.Position inlet manifold chamber, secure RH coil
harness clips in inlet manifold chamber support
brackets.
4.Connect multiplugs to plug top coils and secure
with locking clips.
5.Align inlet manifold chamber to inlet manifolds,
fit and tighten bolts to 18 Nm (13 lbf.ft).
6.Align inlet manifold chamber support brackets
to RH camshaft cover, fit and tighten bolts to 10
Nm (7.5 lbf.ft).
7.Position engine harness brackets to inlet
manifold chamber, fit and tighten screws.
8.Connect multiplugs to VIS motors.
9. NAS models: Connect engine breather pipe.
10. NAS models: Connect multiplugs to IAT and
MAF sensors.
11.Connect brake servo vacuum hose to inlet
manifold chamber.
12.Connect vacuum/breather hoses to LH and RH
camshaft covers and to throttle body.
13.Connect cruise control actuator vacuum pipe.
14. Non NAS models: Connect vacuum hose to
IACV housing.
15. Non NAS models: Connect multiplugs to TP
and IACV sensors.
16.Connect vacuum/breather hoses to LH
camshaft cover, 'T' piece and purge control
valve.
17. Non NAS models: Connect small vacuum
hose to purge control valve.
18.Connect multiplug to purge control valve .
19.Connect EVAP hose to purge control valve.
20.Connect fuel hose to fuel rail pipe, fit rubber
sleeve over hose connector.
21.Remove absorbent cloth.
22. Non NAS models: Connect throttle inner cable
to throttle cam and secure outer cable in
abutment bracket.
23. Non NAS models: Secure throttle cable in
clips on harness brackets.
24.Adjust throttle cable, if fitted.
+ FUEL DELIVERY SYSTEM -
PETROL, ADJUSTMENTS, Throttle cable -
check and adjust - KV6.
25.Remove vacuum enhancer.
+ BRAKES, REPAIRS, Vacuum -
enhancer - KV6.
26.Connect battery earth lead.
Page 391 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-18 REPAIRS
Seals - inlet manifold chamber - from
03MY
$% 30.15.37
Remove
1.Disconnect battery earth lead.
2.Remove vacuum enhancer.
+ BRAKES, REPAIRS, Vacuum -
enhancer - KV6.
3.Position absorbent cloth around fuel feed pipe
connection to collect spillage.
WARNING: The spilling of fuel is
unavoidable during this operation. Ensure
that all necessary precautions are taken to
prevent fire and explosion.
4.Pull back rubber sleeve on fuel pipe connector,
release connector and disconnect fuel pipe
from fuel rail pipe.
CAUTION: Always fit plugs to open
connections to prevent contamination.
5.Release and disconnect EVAP hose from
purge control valve.
CAUTION: Always fit plugs to open
connections to prevent contamination.
6.Disconnect multiplug from purge control valve.7. Non NAS models: Disconnect small vacuum
pipe from purge control valve.
8. Non NAS models: Depress locking collar and
release vacuum pipe from IACV housing.
CAUTION: Always fit plugs to open
connections to prevent contamination.
9. Non NAS models: Disconnect multiplug from
IACV.
10. Non NAS models: Disconnect multiplug from
TP sensor.
11. Non NAS models: Depress locking collars and
release vacuum/breather pipe from purge
control valve and LH camshaft cover. Release
clip securing hose to 'T' piece and remove pipe.
CAUTION: Always fit plugs to open
connections to prevent contamination.
M30 1171
Page 392 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-19
12. Non NAS models: Depress locking collars and
release vacuum/breather pipes from throttle
body, LH and RH camshaft cover and remove
pipe.
CAUTION: Always fit plugs to open
connections to prevent contamination.
13. Non NAS models: Release throttle cable from
clips on harness brackets.
14. Non NAS models: Release throttle cable from
abutment bracket and disconnect cable from
throttle body cam.
15. Non NAS models: Disconnect cruise control
actuator vacuum pipe.
CAUTION: Always fit plugs to open
connections to prevent contamination.16. NAS models: Depress locking collars and
release vacuum/breather pipes from LH and
RH camshaft covers and release pipe from clip.
17. 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.
18. 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.
19. NAS models: Disconnect multiplug from IAT
and MAF sensors.
20. NAS models: Disconnect multiplug from
throttle body.
21. NAS models: Remove clip securing intake
hose to throttle body, remove intake hose and
MAF sensor assembly. Discard clip.
M19 3198
M30 1172
M30 1173