Range Rover. Manual — part 104
LAND ROVER V8
17
REPAIR
8. Remove 4 bolts securing fuel rail to inlet
manifold.
9. Release injectors from inlet manifold and remove
fuel rail and injectors.
10. Release spring clips securing injectors to fuel rail
and remove fuel injectors.
11. Remove and discard 2 ’O’ rings from each
injector.
12. Fit protective caps to each end of injectors.
Refit
13. Clean injectors and recesses in fuel rail and inlet
manifold.
14. Lubricate new ’O’ rings with silicone grease and
fit to each end of injectors.
15. Fit injectors to fuel rail.
16. Secure injectors to fuel rail with spring clips.
17. Position fuel rail assembly and push-fit each
injector into inlet manifold.
18. Fit bolts securing fuel rail to inlet manifold and
tighten to
9 Nm (6 lbf.ft).
19. Connect fuel feed hose to fuel rail.
20. Connect injector harness multiplugs and secure
to fuel rail.
21. Carefully position coil assembly, fit 2 lower fixing
bolts but do not tighten at this stage.
22. Connect multiplugs to coils.
23. Fit HT leads to spark plugs and clips on rocker
covers.
24. Fit upper inlet manifold gasket.
See MANIFOLD
AND EXHAUST SYSTEM, Repair.
19
FUEL SYSTEM
NEW RANGE ROVER
18
REPAIR
ENGINE FUEL TEMPERATURE (EFT) SENSOR
Service repair no - 19.22.08
Remove
NOTE: Because fuel leakage will not occur
when sensor is removed, it is not
necessary to depressurise the fuel system
for this operation.
1. Disconnect battery negative lead.
2. Disconnect multiplug from fuel temperature
sensor.
3. Remove sensor from fuel rail.
Refit
4. Ensure sensor and location in fuel rail are clean.
5. Fit sensor. Tighten to
17 Nm (13 lbf.ft)
6. Connect multiplug.
7. Reconnect battery negative lead.
HEATED OXYGEN SENSOR (HO
2
S)- FRONT (up to
99MY) AND REAR
Service repair no - 19.22.16 - Front
Service repair no - 19.22.17 - Rear (NAS Spec.
only)
Remove
1. Raise the vehicle.
WARNING: Support on safety stands.
2. Remove clip securing HO
2
S lead.
3. Release HO
2
S multiplug from bracket on sump
or transfer gearbox. Disconnect multiplug from
engine harness.
LAND ROVER V8
19
REPAIR
CAUTION: Although robust within the
vehicle environment, HO
2
S sensors are
easily damaged by dropping, excessive
heat and contamination. Care must be exercised
when working on the exhaust system not to
damage the sensor housing or tip.
4. Remove sensor from exhaust front pipe.
Remove sealing washer and discard.
Refit
5. Ensure mating faces are clean.
NOTE: New HO
2
S is supplied pre-treated
with anti-seize compound.
6. If refitting existing HO
2
S, coat threads with
anti-seize compound.
CAUTION: Do not allow anti-seize
compound to come into contact with HO
2
S
nose or enter exhaust system.
7. Position HO
2
S with new sealing washer on
exhaust pipe. Tighten to
20 Nm (15 lbf.ft)
8. Connect multiplug to engine harness. Secure to
bracket.
9. Secure lead in clip.
10. Remove stands. Lower vehicle.
HEATED OXYGEN SENSOR (HO2S) - FRONT -
from 99MY
Service repair no - 19.22.16
Remove
1. Raise vehicle on ramp.
2. Release HO
2
S harness from clip if fitted, and
disconnect HO
2
S multiplug.
3. Remove HO
2
S from exhaust front pipe.
Refit
4. If refitting existing HO
2
S apply anti-seize
compound to threads.
5. Fit new sealing washer to HO
2
S.
6. Fit HO2S and tighten to
45 Nm (33 lbf.ft).
7. Connect HO
2
S multiplug and secure harness to
clip.
8. Lower vehicle.
19
FUEL SYSTEM
NEW RANGE ROVER
20
REPAIR
SPARK PLUGS
Service repair no - 18.20.02
Remove
1. Remove air intake hose.
See this section.
2. Disconnect 8 h.t. leads from spark plugs.
CAUTION: To avoid damage to h.t. leads,
disconnect them by pulling the rubber
boot NOT the lead.
3. Remove 8 spark plugs and washers from
cylinder heads.
Refit
CAUTION: Take care not to cross-thread
spark plugs when fitting as costly damage
to the cylinder head will result. It is
essential that correct type of spark plug is fitted.
Incorrect grade of spark plugs may lead to piston
overheating and engine failure.
4. Ensure spark plug gaps are between 0.89 - 1.01
mm and set gap if necessary.
5. Fit spark plugs to cylinder heads and tighten to
20 Nm (15 lbf.ft)
6. Connect h.t. leads to spark plugs.
7. Fit air intake hose.
See this section.
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