2000 RENAULT SCENIC torque

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High pressure pump
13
13-23
High pressure pump
IT IS PROHIBITED TO REMOVE THE INTERIOR OF
THE PUMP.
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. 1054 TDC setting pin
Mot. 1200-01 Pump-pulley retaining tool
Mot. 1383 Tool for removing high pressure
pipes
Mot. 1525 Pulley extractor
Mot. 1525-01 Extractor adaptor for F9Q
ESSENTIAL SPECIAL TOOLING
"Low torque" torque wrench
TIGHTENING TORQUES (in daN.m)
High pressure pipe 2.5±0.2
High pressure pump mounting 3.2± 0.3
High pressure pump pulley nut 5 ± 0.5
Suspended mounting cover bolt 6.2 ± 1
Torque reaction arm bolt 15

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High pressure pump
13
13-25
REFITTING
Refitting is the reverse of removal.
NOTE: be careful not to place the high pressure pipe under stress. Undo the
high pressure rail.
Offer up the high pressure pipe nuts on the pump and rail side.
Tighten the high pressure rail.
Tighten the high pressure pipe connections to torque (high pressure pump
side first).
You must replace the diesel return pipe after each removal.
16192-1S

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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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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
13-36
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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Pressure sensor
13
13-38
Pressure sensor
TIGHTENING TORQUES (In daN.m or/and°)
Pressure sensor 3.5 ± 0.5
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.
PRESSURE SENSOR (1)
REMOVAL
Disconnect the battery.
Remove the sensor connector.
Unscrew the pressure sensor.REFITTING
Replace the seal.
Screw in the sensor then tighten it to torque.
Connect the connector. YOU SHOULD FOLLOW THE CLEANNESS
INSTRUCTIONS CLOSELY.
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.
16192R2

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Pressure regulator
13
13-39
Pressure regulator
TIGHTENING TORQUES (In daN.m or/and °)
Regulator bolt 0.9 ± 0.1
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.
PRESSURE REGULATOR (2)
REMOVAL
Disconnect the battery.
Remove the regulator connector.
Remove the retaining bracket for the diesel
temperature sensor.
Unscrew the regulator mounting bolts.
Remove the regulator by turning in an anticlockwise
direction (do not use any tools as a lever when
removing the pump regulator).REFITTING
Change the seals.
Dampen the seals with clean diesel.
Replace the regulator in the pump by turning it in an
anticlockwise direction (do not use any tools as a lever
when replacing the pump regulator).
Fit the mounting bolts then tighten to torque.
Connect the connector. YOU SHOULD FOLLOW THE CLEANNESS
INSTRUCTIONS CLOSELY.
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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Thermal plunger unit
19
19-3
Thermal plunger unit
REMOVAL
Put the vehicle on a 2 post lift.
Disconnect the battery.
Remove the engine undertray.
Position the hose clips at the inlet and outlet of the
thermal plunger mounting unit (plugs).
Disconnect the hoses on this unit.
Remove the mounting bolt for the thermal plunger
support unit as well as the supply wires and remove
the unit.
REFITTING
The plugs are tightened in the usual fashion.
Refitting is the reverse of removal.
Top up the coolant and bleed the cooling circuit (see
section 19 "Filling - bleeding"). SPECIAL TOOLING REQUIRED
Mot. 453 -01
Mot. 1202
Mot. 1448Hose clamp pliers set
Hose clip pliers
Long nose pliers for hose clips
TIGHTENING TORQUES (in daN.m)
Thermal plungers 2