Page 282 of 1007

ENGINE - K SERIES KV6
OVERHAUL 12-3-105
3.Remove oil pressure relief valve plug.
Note: If a hexagonal plug and sealing washer
are fitted, discard washer.
4.Remove spring and valve.
5.Check that valve and bore are free from scoring
and corrosion.
Note: Light corrosion may be removed using
grade 600 emery cloth soaked in engine oil.
6.Check free length of spring.
+ GENERAL DATA, Engine - KV6
Petrol.
7.Check that valve slides freely in bore.
CAUTION: If valve is scored, renew relief
valve as an assembly. If valve bore is
scored, renew oil pump as an assembly.Reassembly
1.Clean cover plate and mating face of cylinder
block; ensure bolt holes are clean and dry.
2.Clean running surface on crankshaft.
3.Remove all traces of sealant from relief valve
plug, Torx screws and tapped holes in pump
body.
CAUTION: Do not use a tap.
4.Lubricate relief valve, spring and bore with
clean engine oil.
5.Fit relief valve and spring.
6.If a hexagonal plug and sealing washer were
fitted, fit new sealing washer to plug.
7.Apply sealant, Part No. STC 50552 to plug
threads; fit plug and tighten to 25 Nm (18 lbf.ft).
8.Lubricate pump rotors and recess with clean
engine oil.
9.Fit inner and outer rotors ensuring that
identification mark on outer rotor is facing
outwards and that reference marks are aligned.
10.Lubricate new cover plate sealing ring with
clean engine oil.
11.Fit cover plate seal and cover plate.
12.Apply sealant, Part No. STC 50552 to threads
of Torx screws, fit and tighten screws.
13.Check that pump rotates freely.
Refit
1.Fit oil pump gasket.
+ ENGINE - K SERIES KV6, REPAIRS,
Gasket - oil pump.
Page 286 of 1007
ENGINE - K SERIES KV6
OVERHAUL 12-3-109
13.Using a socket on crankshaft pulley bolt, rotate
crankshaft in a clockwise direction and align the
engine "SAFE" position - notch on crankshaft
pulley aligned to the "ARROW" on front
mounting plate. Check that the timing marks on
the rear camshaft gears are aligned as
illustrated.
CAUTION: Do not use the camshaft gear
bolts or timing belts to rotate the
crankshaft. Do not use the arrow on the oil
pump body as a timing reference.
14.Insert timing pin LRT-12-232 through hole
immediately adjacent to side of lower
crankcase ensuring that pin is located in hole in
drive plate.15.Remove 3 bolts securing camshaft timing belt
LH front cover and remove cover.
16.Remove 3 bolts securing camshaft timing belt
RH front cover and remove cover.
17.Remove bolt securing dipstick tube to cylinder
block.
18.Depress locking collar, release and remove
dipstick tube from engine sump.
LRT-12-232
M12 7927
M12 6672
Page 307 of 1007
ENGINE MANAGEMENT SYSTEM - SIEMENS
18-3-2 REPAIRS
Spark plugs - from 03MY
$% 18.20.02
Remove
1.Disconnect battery earth lead.
2.Remove the engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
3.Release locking clips and disconnect
multiplugs from plug top coils.
4.Remove 6 bolts securing plug top coils to
cylinder heads.
5.Pull to release and remove 6 plug top coils from
cylinder heads.
6.Using a 16 mm plug socket, remove spark
plugs from cylinder heads.Refit
1.Check and if necessary set spark plug gap.
+ GENERAL DATA, Engine - KV6
Petrol.
2.Fit spark plugs and tighten to 25 Nm (18 lbf.ft).
3.Apply a rubber lubricant to plug top coil lower
seals and fit coils fully into cylinder heads.
4.Fit bolts securing plug top coils and tighten to
10 Nm (7 lbf.ft).
5.Connect and secure multiplugs to plug top
coils.
6.Fit the engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
7.Connect battery earth lead.
Page 316 of 1007

ENGINE MANAGEMENT SYSTEM - SIEMENS
REPAIRS 18-3-11
5.Fit new Torx screws and wave washers, tighten
Torx screws to 1.5 Nm (1.1 lbf.ft).
6.Connect multiplug to TP sensor.
7.Operate throttle cable cam 2 or 3 times and
ensure that full travel to the throttle open and
the throttle closed positions is available.
8.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
9.Connect battery earth lead.
NOTE: A ‘throttle initialisation’ procedure
MUST be carried out using TestBook/T4
whenever the TP sensor is removed or
renewed.
Sensor - thermostat monitoring (TM) -
KV6 - NAS
$% 18.30.21
Remove
1.Disconnect battery earth lead.
2.Remove coolant expansion tank cap to release
pressure and refit cap.
WARNING: Since injury such as scalding
could be caused by escaping steam or
coolant, do not remove the filler cap from
the coolant expansion tank while the
system is hot.
3.Position absorbent cloth under TM sensor to
collect spillage.
4.Disconnect multiplug from TM sensor.
5.Release and remove sensor. Discard seal.
Refit
1.Clean sensor and mating face.
2.Using a new seal, fit and secure sensor.
3.Connect multiplug to sensor.
4.Remove absorbent cloth.
5.Check for leaks and fill expansion tank to 'MAX'
mark.
6.Connect battery earth lead.
M18 0764
Page 322 of 1007
FUEL DELIVERY SYSTEM - PETROL
ADJUSTMENTS 19-2-1
FUEL DELIVERY SYST EM - PE TROL ADJUST ME NTS
Throttle cable - check and adjust - KV6
$% 19.20.05
Check
1.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Before adjusting cable, ensure that cable is
correctly routed and located.
Adjust
1.Release cable adjusting nut from abutment
bracket.2.Hold throttle cam in fully closed position.
3.Rotate adjusting nut until all slack is taken out
of inner cable and nut is in contact with rear
face of abutment bracket. Ensure throttle does
not open.
4.Fit throttle cable adjusting nut in abutment
bracket.
5.Operate throttle pedal and ensure that full
throttle pedal movement is available.
6.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Page 323 of 1007

FUEL DELIVERY SYSTEM - PETROL
19-2-2 ADJUSTMENTS
Throttle cable - check and adjust - K1.8
$% 19.20.05
Check
1.Before adjusting cable, ensure that cable is
correctly routed and located.
Adjust
1.Release cable adjusting nut from abutment
bracket.
2.Hold throttle cam in fully closed position.
3.Rotate adjusting nut until all slack is taken out
of inner cable and nut is in contact with rear
face of abutment bracket. Ensure throttle does
not open.
4.Fit throttle cable adjusting nut in abutment
bracket.
5.Operate throttle pedal and ensure that full
throttle pedal movement is available.
Fuel system - depressurise - KV6 - Non
NAS
$% 19.50.02
Check
1.Remove acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.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.
3.Pull back cover from hose connector and
carefully release connector.
WARNING: Depressurise the system before
disconnecting any components. Fuel
pressure will be present in the system even
if the ignition has been switched off for
some time.
4.Secure connector once pressure has been
relieved.
5.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Page 324 of 1007
FUEL DELIVERY SYSTEM - PETROL
ADJUSTMENTS 19-2-3
Fuel system - depressurise - KV6 - NAS
$% 19.50.02
Check
1.Remove acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2. Up to 03MY: Remove nut and bolt securing coil
and position coil aside.
3.Remove schraeder valve cap.
4.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.5.Connect adapter LRT-19-006 to schraeder
valve.
6.Position opposite end of adapter LRT-19-006
into container, turn tap to release pressure.
7.Remove adapter LRT-19-006 from schraeder
valve.
8.Fit cap to schraeder valve.
9. Up to 03MY: Fit and tighten nut and bolt
securing coil.
10.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Page 325 of 1007

FUEL DELIVERY SYSTEM - PETROL
19-2-4 ADJUSTMENTS
Fuel system - depressurise - K1.8
$% 19.50.02
Check
1.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.
2.Disconnect fuel feed hose from fuel rail.
3.Connect feed hose to fuel rail once pressure
has relieved.
Fuel system - pressure test - KV6 - Non
NAS
$% 19.50.13
Check
1.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Position absorbent cloth around fuel feed pipe
connection to collect spillage.
WARNING: Fuel vapour is highly flammable
and in confined spaces is also explosive
and toxic. Always have a fire extinguisher
containing foam, CO
2, gas or powder close
at hand when handling or draining fuel.
3.Disconnect fuel inlet hose from fuel rail pipe.
4.Connect adaptor LRT-19-013, to pressure
gauge LRT-19-004 .
5.Position pressure gauge LRT-19-004, connect
to fuel inlet hose and to fuel rail pipe, securing
pressure gauge hose to fuel rail pipe with clip.
6.Start engine. Pressure at idle = 3.4 bar. If
pressure below 3.4 bar suspect the following in
order: fuel hoses, filter, regulator and pump.
7.Stop engine.
8.Release clip and disconnect LRT-19-004
pressure gauge from fuel inlet hose and fuel rail
pipe.
9.Disconnect adaptor LRT-19-013 from LRT-19-
004 pressure gauge.
10.Connect fuel inlet hose to fuel rail pipe.
11.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
M19 3247A
LRT-19 - 013
LRT -19- 004