Pipe RENAULT SCENIC 2000 J64 / 1.G Technical Note 3426A Owner's Manual

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Injector rail
13
13-27
Injector rail
IMPORTANT: before any intervention, connect the
after-sales diagnostic tool, query the injection
computer and check that the injection rail is not under
pressure.
Take note of the fuel temperature.SPECIAL TOOLING REQUIRED
Mot. 1294 -01 Tool for removing windscreen
wiper arms
Mot. 1383 Tool for removing high pressure
pipes
ESSENTIAL SPECIAL TOOLING
"Low torque" torque wrench
TIGHTENING TORQUES (in daN.m)
High pressure pipe nut 2.5±0.2
Injection rail mounting bolt 2.2±0.2
REMOVAL
Remove (for the Scénic):
– the windscreen wiper arms using tool Elé. 1294-01,
– the scuttle panel,– the bulkhead panel.
Disconnect the flow meter and remove the air unit.
11020R
11036R2

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Injector rail
13
13-28
REMOVAL
Disconnect:
– the battery,
– the pressure sensor (1),
– the injectors,
– the cylinder marking sensor.
Undo and remove the diesel HP pipes.
Insert the plugs to maintain cleanness.
Gently remove the injection rail.YOU SHOULD FOLLOW THE CLEANNESS INSTRUCTIONS CLOSELY
16192-2R

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Injector rail
13
13-29
REFITTING
Position the injection rail and finger-tighten the mounting bolts (the rail should
be floating).
Position all the HP pipes and finger-tighten them.
Tighten:
– all the HP injection pipe connections (on the injector side (1) then on the
injection rail side (2).
– the rail bolts (3).
– the HP pump/rail pipe (4).
16192R1

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Injector rail
13
13-30
NOTE: it is imperative that you replace the fuel return pipe (5) placed on the
injectors during removal.
16192-1R

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Injectors
13
13-32
Injectors
IT IS FORBIDDEN TO REMOVE THE INTERIOR OF
AN INJECTOR OR TO SEPARATE THE INJECTOR
HOLDER FROM THE PIPE.
IMPORTANT: before any intervention, connect the
after-sales diagnostic tool, query the injection
computer and check that the injection rail is not under
pressure. Take note of the fuel temperature.SPECIAL TOOLING REQUIRED
Elé. 1294 -01 Tool for removing windscreen
wiper arms
Mot. 1383 Tool for removing high pressure
pipes
TIGHTENING TORQUES (in daN.m)
Injector clamp mounting bolt 2 ± 0.2
High pressure pipe nut 2.5 ± 0.2

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Injectors
13
13-33
REMOVAL
If necessary, remove:
– the bulkhead panel using tool Elé. 1294-01,
– the scuttle panel,
– the air unit.
NOTE: the injectors may be replaced individually.
Remove the HP pipe using the tool Mot. 1383.
Insert the plugs to maintain cleanness.
Remove:
– the injector mounting clamp,
– the injector,
– the flame shield washer.YOU SHOULD FOLLOW THE CLEANNESS INSTRUCTIONS CLOSELY
16192-2S

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Injectors
13
13-35
NOTE: be careful when refitting that you do not stress the HP pipe. Remove
the injection rail.
Fit:
– the injector,
– the diesel return pipe.
16192-1S

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Injectors
13
13-36
Fit the high pressure pipe.
Loosen the high pressure pump/rail pipe.
Tighten to torque:
– the injector,
– the injector side connections, then the injection rail connections,
– the rail.
– the pump/rail pipe (high pressure pump side under pressure).
NOTE: it is essential that you replace the fuel return pipe placed on the
injectors during removal.
16192S
After any intervention, check that there are no leaks in the diesel circuit.
Start the engine at idling speed until the fan starts up, then accelerate
several times under no load.

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Oil vapour rebreathing
14
14-1
114ANTIPOLLUTION
Oil vapour rebreathing
CIRCUIT DIAGRAM
1Engine
2Oil separator
3Air filter unit
4Inlet manifold
CHECKING
To ensure the correct operation of the anti-pollution
system, the oil vapour rebreathing circuit must be kept
clean and in good condition.AOil vapour rebreathing pipe for the bottom of engine
BOil vapour rebreathing pipe for the top of engine
COil separator
DOil vapour rebreathing pipe linked to the intake
pipes
13042R
DI1322

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Alternator
16
16-2
REMOVAL
Put the vehicle on a 2 post lift.
Disconnect the battery as well as all electrical
connections on the alternator.
Separate the diesel filter from its mounting and
remove.
Unclip the power steering reservoir.
Release the air conditioning pipe at (A).
Remove:
– the wiring mounting support (1) and remove the unit,
– the front right wheel as well as the mudguard,
– the accessories belt.Special features of vehicles fitted with air
conditioning:
Before removing the accessories belt, check the
centreline of the automatic tensioner (see
section 07 "Accessories belt tension").
Loosen bolt (A), then bolt (B) until the shoulder is
exceeded while holding the automatic tensioner plate
using a 9.35 mm square, then relax the belt by moving
the ratchet in the direction of the arrow.
Remove:
– the bolts (A) and (B),
– the alternator mountings and remove the alternator. SPECIAL TOOLING REQUIRED
Mot. 1273 Tool for checking belt tension
16870R4
98837-1R4