2000 RENAULT SCENIC Technical Note 3426A Workshop Manual

Downloaded from www.Manualslib.com manuals search engine COOLING SYSTEM
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

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Radiator
19
19-4
Radiator
REMOVAL
Put the vehicle on a two post lift.
Disconnect the battery.
Remove the engine undertray.
Drain the cooling circuit through the lower radiator
hose.
Disconnect the wiring of the fan unit.
Unclip the power steering reservoir and remove it.
Remove:
– the upper cross member,
– the upper radiator mountings,
– the upper hoses on the radiator,
– the inlet manifold-air exchanger duct,
– the fan unit mountings on the radiator and remove
the fan,
– the radiator mountings on the condenser and remove
the radiator.REFITTING
Refitting is the reverse of removal.
Fill and bleed the cooling circuit (see section 19
"Filling and bleeding").
NOTE: ensure that the fins of the radiator or of the
condenser (if fitted) are not damaged when
removing-refitting, and protect them if necessary. SPECIAL TOOLING REQUIRED
Mot. 1202 -01
Hose clip pliers
Mot. 1202 -02
Mot. 1448 Long nose pliers for hose clips

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Water pump
19
19-5
Water pump
REMOVAL
Put the vehicle on a two post lift.
Disconnect the battery.
Remove the engine undertray.
Drain the cooling circuit through the lower radiator
hose.
Unclip the diesel filter and remove it.
Remove:
– the front right wheel along with the mudguard,
– the style cover,
– the accessories belt (see Section 07 "Accessories
belt tension"),
– the coolant pump and power assisted steering pump
pulleys,
– the water pump.Cleaning
It is very important not to scratch the gasket faces.
Use the Décapjoint product to dissolve any part of the
gasket which remains attached.
Wear gloves whilst carrying out the following
operation.
– Apply the product to the parts to be cleaned; wait
about ten minutes, then remove it using a wooden
spatula.
Do not allow this agent to drip on to the paintwork.
REFITTING
Refit:
– the water pump (fitted with a new gasket), tightening
the bolts to a torque of 1.7 daN.m,
– the accessories belt and tension it (see section 07
"Accessories belt tension").
Fill and bleed the cooling circuit, (see section 19
"Filling and Bleeding"). SPECIAL TOOLING REQUIRED
Mot. 1202 -01
Hose clip pliers
Mot. 1202 -02
Mot. 1448 Long nose pliers for hose clips
TIGHTENING TORQUES (in daN.m)
Water pump bolts 1.7

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Suspended engine mountings
19
19-6
Manual
gearbox1319 ENGINE MOUNTING
Suspended engine mountings
TIGHTENING TORQUE (daN.m)
A 6.2E 4.4
B 6.2F 2.1
C 4.4G 2.1
D 6.2H 6.2
17518R4

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Catalytic converter
19
19-7
1419 EXHAUST
Catalytic converter
Disconnect the battery and put the vehicle on a two
post lift.
Fit a flywheel immobiliser.
Loosen the catalytic converter/precatalytic converter
mountings.
Fit tool Tav. 1233-01 replacing the bolts of the sub-
frame one by one.Remove:
– the bolts of the sub-frame tie-rods,
– the nut and eccentric bolt of the steering shaft
yoke (1),
– the torque reaction arm.
Lower the sub-frame to a height of 40 mm at the front
and 60 mm at the rear.
Remove the exhaust mounting clip.
Remove the mounting nuts of the catalytic converter
and remove it, taking care not to damage the heat
shields.
REFITTING
Proceed in the reverse order from removal.
WARNING: all damaged heat shields must be
replaced to prevent the risk of fire. TIGHTENING TORQUES (in daN.m)
Engine tie bar bolt 6.2
Steering shaft yoke bolts 3
Engine sub-frame bolts
–front ∅ 10
–rear ∅ 12 6.2
10.5
Three point flange nuts 2
Sub-frame - side member tie rod bolts 3
15870R
97390-1R2

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Identification
21
21-1
121MANUAL GEARBOX
Identification
"SCENIC" vehicles, F9Q high pressure engines, are equipped with JC5 manual gearboxes.
The W orkshop Repair Manual "JB gearbox. JC" deals with the complete repair of this component.
A mark (1), located on the gearbox casing, indicates:
AType of gearbox
BGearbox index
CManufacturing number
DFactory of manufacture
Ratios
14834-1R
JC5
Index TypeDifferential
ratio1st2nd3rd4th5thReverse
gear
113 JA0515
--
56 11
--
41 21
--
4328
--
3735
--
34 42
--
3111
--
39

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Capacities - Lubricants
21
21-2
521MANUAL GEARBOXES
Capacities - Lubricants
CAPACITY (in litres)
CHECKING THE LEVEL
Filling is by overflow5 gear box
JC5 3.1
Viscosity grade
TRX 75W 80W
92081S

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General
62
162AIR CONDITIONING
General
CONSUMABLES
– Oil for DELPHI HARRISON compressor:
PLANETELF PAG 488: 220 cm
3 ± 15
(to be ordered from ELF).
– Refrigerant:
R134a: 780 g ± 35 (Mégane)
R134a: 680 g ± 35 (Scénic)
– Compressor:
DELPHI HARRISON V5
62-1