Defender 90 NAS. Manual — part 20
17
EMISSION CONTROL
2
REPAIR
VAPOUR SEPARATOR
Service repair no - 17.15.19
Remove
1. Remove 7 screws securing floor carpet rear
retainer.
2. Release lower section of door sealing rubber on
one side.
3. Remove carpet retainer.
4. Fold floor carpet back on RH side.
5. Release RH side carpet and move aside to
reveal 2 screws securing vapour separator.
6. Remove 2 screws securing vapour separator.
7. Release vapour separator pipe from clip on fuel
pipe.
8. Depress 2 lugs on vapour separator connector
and disconnect pipe.
9. Using tool LRT-19-002 depress collar at green
end of ’speedfit’ connector and disconnect pipe.
10. Remove vapour separator.
Refit
11. Position vapour separator and connect pipes.
12. Using assistance, align vapour separator and fit
and tighten screws.
13. Apply adhesive to side carpet and body.
14. Fold down side and floor carpets.
15. Fit carpet retainer and fit and tighten screws.
16. Secure door sealing rubber.
EMISSION CONTROL
3
REPAIR
FRONT PIPE / CATALYTIC CONVERTER
Service repair no - 17.50.09
Remove
WARNING: The removal of the exhaust
system must only be carried out when the
engine is cold.
1. Raise vehicle on ramp.
2. Remove oxygen sensors.
See FUEL SYSTEM,
Repair, Heated oxygen sensor (ho2s) - front
and
See FUEL SYSTEM, Repair, Heated
oxygen sensor (ho2s) - rear
3. Remove 4 bolts securing front anti-roll [sway] bar
mounting brackets.
4. Remove 6 nuts securing front pipe assembly to
exhaust manifolds.
5. Remove 2 nuts securing front pipe assembly to
intermediate pipe.
6. With assistance, release front pipe assembly
from exhaust manifolds.
7. With assistance, release front pipe assembly
from intermediate pipe.
8. With assistance, lower anti-roll [sway] bar and
remove front pipe assembly.
9. Remove and discard flange gaskets.
Refit
10. Clean exhaust flange mating faces.
11. Fit new flange gaskets.
12. With assistance, position front pipe to vehicle.
13. With assistance, locate front pipe on exhaust
manifolds and intermediate pipe.
14. Fit and tighten flange nuts.
15. Reposition front anti-roll [sway] bar and secure
with bolts.
16. Fit heated oxygen sensors.
See FUEL
SYSTEM, Repair, Heated oxygen sensor
(ho2s) - front and See FUEL SYSTEM, Repair,
Heated oxygen sensor (ho2s) - rear
17. Lower vehicle.
SFI
1
DESCRIPTION AND OPERATION
ENGINE MANAGEMENT SYSTEM COMPONENT
LOCATION
1. Engine Control Module (ECM)
2. Ignition coils
3. Fuel pressure regulator
4. Mass air flow (MAF) sensor
5. Relay module
- Main relay
- Fuel pump relay
6. Engine coolant temperature (ECT) sensor
7. Camshaft position (CMP) sensor
8. Throttle position (TP) sensor
19
FUEL SYSTEM
2
DESCRIPTION AND OPERATION
1. EVAP purge valve
2. Inertia switch
3. Engine fuel temperature (EFT) sensor
4. Crankshaft position (CKP) sensor
5. Heated oxygen sensor (HO2S) - 4 off
6. Injectors - 8 off
7. Idle air control valve (IACV)
8. Knock sensors - 2 off
9. Intake air temperature (IAT) sensor
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