fuel RENAULT SCENIC 2000 J64 / 1.G Technical Note 3426A Workshop Manual

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Page
07
10
11
12
VALUES AND SETTINGS
Capacities - Grades 07-1
Accessories belt tension 07-2
Checking the accessories belt tension 07-3
Tightening the cylinder head 07-5
Tyres and wheels 07-6
Brakes 07-7
Brake compensator 07-8
Underbody height 07-9
Front axle angle checking values 07-11
Rear axle angle checking values 07-13
ENGINE AND PERIPHERALS
Identification 10-1
Oil pressure 10-2
Engine and transmission assembly 10-3
Sump 10-8
TOP AND FRONT OF ENGINE
Timing belt 11-1
Cylinder head gasket 11-6
FUEL MIXTURE
Air inlet 12-1
TURBOCHARGING
Pressure regulating valve 12-2
Pressure adjustment 12-3
Turbocharger 12-4
Air-air exchanger 12-7
Manifolds 12-9
Priming catalytic converter 12-12Page
13
14
DIESEL EQUIPMENT
Technical specifications 13-1
Special features 13-3
Cleanliness 13-6
Location of components 13-9
Injection warning light 13-12
Immobiliser function 13-13
Injection programming/ air conditioning 13-14
Idle speed correction13-16
Pre-postheating control 13-17
Heater plugs 13-18
Thermoplunger 13-19
Low pressure pump (supercharging
pump)13-21
Fuel filter 13-22
High pressure pump 13-23
Injector gallery 13-27
Injectors 13-32
Checking diesel pressure and flow 13-37
Pressure sensor 13-38
Pressure regulator 13-39
Accelerator potentiometer 13-40
Centralised coolant temperature
management 13-41
Computer 13-42
ANTIPOLLUTION
Oil vapour rebreathing 14-1
Exhaust gas recirculation 14-2

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Brake compensator
07
07-8
Brake compensator
BRAKING PRESSURE
Conditions:
– Full fuel tank,
– Driver on board.
(1) The test is performed using two pressure gauges in an X arrangement.TypeCheck pressure (1) (in bars)
Front Rear
B0A5 140
+18 52 0
JA05 140 +18 32 0

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Engine and transmission assembly
10
10-5
– the closure panel for the plenum chamber.
Remove (all types):
– the shock absorber cap protectors,
– the clutch cable,
– the brake servo vacuum pipe,
– the air intake pipe,
– the turbocharging air ducts between the exchanger
and the engine,
– the hoses on the heater radiator,
– the pipes (6) and the connectors (7),– the battery mounting,
– the expansion bottle mountings and the expansion
bottle,
– the precatalytic converter mountings and the
precatalytic converter,
– the relay plate at (1) and the fuse holder (2) as well
as the connectors (3) and (4),
– the injection computer connectors (8),
– the earth strap (9),
– the fuel pipes (10) and fit cleanliness plugs.
11036R2
16869R
16872R
16870R

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Cylinder head gasket
11
11 - 9
– the brake servo vacuum pipe,
– the pipes on the cylinder head water outlet unit and
the sensor connections (1),
– the pipes (3),– the fuel pipes (4) (fit cleanliness plugs) and the wiring
mounting (5),
– the cylinder marking sensor (7),
16179R
16869R116870R5
16181R

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Cylinder head gasket
11
11-12
REFITTING (special notes)
Fit the cylinder head gasket. This is centred by two
dowels.
Bring the pistons to mid-stroke position to prevent
them from coming into contact with the valves as the
cylinder head is tightened.
Centre the cylinder head on the dowels.
Lubricate the threads and under the heads of the
mounting bolts.
Tighten the cylinder head using an angular tightening
wrench (see section '07 "Tightening the cylinder
head").
Tightening procedure for the automatic tensioner
mounting
Offer up the three touching bolts then apply a torque of
2.5 daN.m respecting the order shown below.
Refitting is the reverse of removal.
Refit the timing belt, (see procedure described in
section 11 "Timing belt").
Fill and bleed the cooling circuit, (see section 19
"Filling and Bleeding").
To reprime the diesel circuit, consult section 13, "Fuel
filter".
PRF1102

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Air intake
12
112
FUEL MIXTURE
Air intake
AIR INTAKE CIRCUIT DIAGRAM
1 Air-air exchanger
2 Air filter
3 Flow meter
4 Inlet manifold
5 Turbocharger
A Air inlet
12-1

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Manifolds
12
12-9
FUEL MIXTURE
Manifolds
REMOVAL
NOTE: Removal of the manifolds requires that you
remove the turbocharger (see section 12
"Turbocharging"). The two manifolds cannot be
removed separately.
Disconnect:
– the battery,
– the air inlet pipe from the intake manifold (2),
– the pipe leading to the pressure sensor on the
manifold (1),
– the EGR (5) solenoid valve.Remove (for the Scénic):
– the windscreen wiper arms,
– the scuttle panel,
– the bulkhead panel,
– the air unit,
– the turbocharger. TIGHTENING TORQUES (in daN.m )
Manifold mounting stud 0.8
Manifold mounting stud 2.8
EGR valve mounting bolt 2.1
16869R2
12415R1

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Manifolds
12
12-10
Remove the EGR solenoid valve pipe and the lifting bracket (4).
16157R

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Manifolds
12
12-11
Remove the nuts securing the manifolds.
If replacement of the inlet manifold is planned, remove the EGR valve (consult section 14 "Antipollution" for the
method).
REFITTING
Proceed in the reverse order to removal.
Change the manifold gasket and take care to replace it properly.Manifolds

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Priming catalytic converter
12
12-12
Priming catalytic converter
REMOVAL
Put the vehicle on a two post lift.
Disconnect the battery.
Remove the cover and the under body protection.
Disconnect the exhaust downpipe.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.
Remove:
– the priming catalytic converter mounting stay,
– the mounting nuts,
– the pre-catalytic converter. TIGHTENING TORQUES (in daN.m )
Priming catalytic converter mounting nuts
(pre-catalytic converter) 2.4
Lower mounting bolt 2.4
Priming catalytic converter stay bolt 6
16156S
11020R
11036R2