Page 326 of 1007

FUEL DELIVERY SYSTEM - PETROL
ADJUSTMENTS 19-2-5
Fuel system - pressure test - KV6 - NAS
$% 19.50.13
Remove
1.Remove acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Position absorbent cloth beneath fuel rail.
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. Up to 03MY: Remove nut and bolt securing coil
and position coil aside.
4.Connect adaptor LRT-19-006, to pressure
gauge LRT-19-004 .
5.Remove schraeder valve cap.
6.Connect pressure gauge to fuel rail schraeder
valve.
7.Start engine. Pressure at idle = 3.4 bar. If
pressure is below 3.4 bar, suspect the following
in order: fuel hoses, filter, regulator and pump.
Refit
1.Stop engine.
2.Disconnect pressure gauge LRT-19-006 and
adapter LRT-19-004 from fuel rail.
3. Up to 03MY: Fit and tighten nut and bolt
securing coil.
4.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Fuel system - pressure test - K1.8
$% 19.50.13
Check
1.Disconnect battery earth lead.
2.Position absorbent cloth beneath fuel pipe to
catch spillage.
WARNING: The spilling of fuel is
unavoidable during this operation. Ensure
that all necessary precautions are taken to
prevent fire and explosion.
3.Disconnect fuel pipe from inlet manifold.
4.Connect LRT-19-004A to manifold and fuel
pipe.
Note:: LRT-19-004X can be used as an
alternative.
5.Connect battery earth lead.
6.Start engine. Pressure at idle = 3.6 bar ± 0.2
bar.
7.Stop engine. If pressure is out of tolerance
suspect the following in order: fuel hoses, filter
and pump.
8.Remove plug, reconnect vacuum hose and
secure hose with clip.
9.Disconnect battery earth lead.
10.Disconnect LRT-19-004A from fuel pipe and
inlet manifold.
11.Connect fuel pipe to manifold.
12.Connect battery earth lead.
LRT - 19 -004A
M19 3675
Page 327 of 1007
FUEL DELIVERY SYSTEM - PETROL
19-2-6 ADJUSTMENTS
Fuel tank - drain
$% 19.55.02
Drain
1.Disconnect both battery leads, negative lead
first.
2.Remove fuel pump assembly.
+ FUEL DELIVERY SYSTEM -
PETROL, REPAIRS, Pump - fuel.
3.Using a fuel recovery appliance, drain the fuel
from the tank into a sealed container. Follow
the manufacturer's instructions for the
connection and safe use of the appliance.
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.
Refill
1.Fit fuel pump assembly.
+ FUEL DELIVERY SYSTEM -
PETROL, REPAIRS, Pump - fuel.
2.Connect battery leads, earth lead last.
Page 333 of 1007
FUEL DELIVERY SYSTEM - PETROL
19-2-12 REPAIRS
Sensor - heated oxygen (H02S) - pre-
catalyst - LH - KV6 - Non NAS
$% 19.22.16
Remove
1.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.
2.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
3.Release and disconnect HO2S multiplug.
4.Release HO2S harness from clip.
5.Remove HO2S from LH exhaust manifold.Refit
1.Clean HO2S and exhaust manifold mating
face.
2.Fit HO2S and tighten to 55 Nm (41 lbf.ft).
3.Connect multiplug to HO2S, and secure to
support bracket and harness clip.
4.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
5.Remove stand(s) and lower vehicle.
Page 336 of 1007
FUEL DELIVERY SYSTEM - PETROL
REPAIRS 19-2-15
Sensor - heated oxygen (H02S) - pre-
catalyst - RH - KV6 - Non NAS
$% 19.22.17
Remove
1.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.
2.Remove LH front road wheel.
3.Release RH HO2S multiplug from coolant rail
bracket and disconnect multiplug.
4.Remove HO2S from RH exhaust manifold.Refit
1.Clean HO2S and exhaust manifold mating
face.
2.Fit HO2S and tighten to 55 Nm (41 lbf.ft).
3.Connect RH HO2S multiplug, secure multiplug
in coolant rail bracket.
4.Fit LH front road wheel and tighten nuts to 115
Nm (85 lbf.ft).
5.Remove stands and lower vehicle.
M30 0996
Page 345 of 1007
FUEL DELIVERY SYSTEM - PETROL
19-2-24 REPAIRS
Sensor - heated oxygen (H02S) - post
catalyst - LH - KV6 - Non NAS
$% 19.22.71
Remove
1.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.
2.Remove gear selector knob.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gear knob.
3.Release clips securing selector lever trim panel
to centre console and move trim panel aside.
4.Disconnect HO2S multiplug from harness.
5.Release grommet and withdraw HO2S harness
multiplug through grommet aperture.6.Remove HO2S.
Refit
1.Clean HO2S and mating face.
2.Fit HO2S and tighten to 55 Nm (41 lbf.ft) using
tool LRT-19-014.
3.Feed HO2S harness through grommet aperture
and secure grommet.
4.Connect HO2S multiplug.
5.Fit trim panel and gaiter to centre console and
secure clips.
6.Fit gear selector knob.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gear knob.
7.Remove stand(s) and lower vehicle.
Page 346 of 1007
FUEL DELIVERY SYSTEM - PETROL
REPAIRS 19-2-25
Sensor - heated oxygen (H02S) - post
catalyst - LH - KV6 - NAS
$% 19.22.71
Remove
1.Disconnect battery earth lead.
2.Raise front of vehicle and support on stands.
WARNING: Do not work on or under a
vehicle supported only by a jack. Always
support the vehicle on safety stands.
3.Release HO2S harness from clips.
4.Release and disconnect HO2S multiplug.
5.Remove HO2S.Refit
1.Clean HO2S and mating face.
2.Fit H02S and tighten to 55 Nm (40 lbf.ft).
3.Connect H02S multiplug and fit to bracket.
4.Fit harness into clips.
5.Remove stands and lower vehicle.
6.Connect battery earth lead.
M19 3481
Page 347 of 1007
FUEL DELIVERY SYSTEM - PETROL
19-2-26 REPAIRS
Sensor - heated oxygen (H02S) - post cat
- K1.8
$% 19.22.71
Remove
1.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.
2.Release clips securing gear lever gaiter to
centre console.
3.Disconnect HO2S multiplug from harness.
4.Release grommet and withdraw HO2S harness
multiplug through grommet aperture.5.Remove HO2S.
Refit
1.Clean HO2S and mating face.
2.Fit HO2S and tighten to 55 Nm (41 lbf.ft) using
tool LRT-19-014.
3.Feed HO2S harness through grommet aperture
and secure grommet.
4.Connect HO2S multiplug.
5.Fit gaiter to centre console and secure with
clips.
6.Remove stand(s) and lower vehicle.
M19 3325
Page 349 of 1007

FUEL DELIVERY SYSTEM - PETROL
19-2-28 REPAIRS
Filter - main
$% 19.25.02
Remove
1.Disconnect battery earth lead.
2.Remove sender unit.
+ INSTRUMENTS, REPAIRS, Sender
unit - fuel tank gauge.
3.Disconnect 2 Lucars from top of pump unit
assembly.
4.Release 3 slots in top of pump unit assembly
from lugs in base.
5.Carefully manoeuvre top of pump unit
assembly away from base, ensuring that fuel
feed hose does not become strained.
6.Collect compression spring from fuel filter.
7.Carefully release 3 sprag clips securing fuel
filter.8.Release fuel filter from inlet and outlet
connections.
9.Remove fuel filter.
10.Collect 'O' rings.
Refit
1.Lubricate NEW 'O' rings with silicone grease
and fit to ports.
2.Carefully fit fuel filter to ports and push fully
home, ensuring that sprag clips engage fully.
WARNING: Ensure earthing spring fitted to
fuel pressure regulator is correctly located.
3.Position spring to fuel filter recess and engage
in top location.
WARNING: Ensure that filter earthing tag is
correctly located to contact the base of fuel
filter.
4.Engage pump top to base, ensuring that slots
engage correctly with lugs.
WARNING: During refit, ensure that all
electrical connections are made correctly.
Earth tag on fuel pump negative terminal
must not become distorted.
5.Fit sender unit.
+ INSTRUMENTS, REPAIRS, Sender
unit - fuel tank gauge.
6.Connect battery earth lead.