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

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Page
16
19
21
62
STARTING - CHARGING
Alternator 16-1
Starter 16-4
COOLING SYSTEM
Filling - bleeding 19-1
Diagram 19-2
Thermoplunger unit 19-3
Radiator 19-4
Water pump 19-5
ENGINE MOUNTING
Suspended engine mounting 19-6
Exhaust
Catalytic converter 19-7
MANUAL GEARBOX
Identification 21-1
Gears 21-1
Capacity - Lubricants 21-2
AIR CONDITIONING
General 62-1
Compressor 62-2
Dehydration canister 62-3
Condenser 62-4
Pressure relief valve 62-5
Connecting hoses 62-6

Downloaded from www.Manualslib.com manuals search engine ENGINE AND PERIPHERALS
Engine and transmission assembly
10
10-4
Remove:
– the battery,
– the engine undertray.
Drain:
– the cooling circuit through the bottom hose of the
radiator,
– the gearbox and the engine (if necessary),
– the refrigerant circuit (if fitted) using filling equipment.
Remove:
– the front wheels along with the mudguard,
– the sub-frame and body tie rods,
– the track rod ends,
– the brake calipers (as well as the ABS sensors, if
fitted) and secure them to the suspension springs,
– the shock absorber base bolts,
– the heat shield (A) as well as the gearbox control,
– the clip (1) of the catalytic converter and secure this
to the body.
– the front bumper,
– the horn,
– the two mountings for power assisted steering
hoses on the right hand side of the sub-frame,
– the nut and the eccentric bolt of the steering shaft
yoke, after pushing back the guard.SPECIAL NOTES FOR VEHICLES FITTED WITH A
DRIVER'S AIRBAG
Remove (for the Scénic):
– the windscreen wiper arms using tool Elé. 1294-01,
– the front grilles,
16663R1
WARNING
In order to eliminate any risk of damaging the
rotary switch under the steering wheel, observe
the recommendations below:
!Before the steering column and the steering
rack are uncoupled, the steering wheel MUST
be immobilised with the wheels straight for the
duration of the operation using a "steering
wheel locking tool".
!If there is any doubt regarding the correct
alignment of the rotary switch, the steering
wheel must be removed so that the alignment
procedure described in the "AIRBAG" section
can be applied.
REMINDER: in this case, only qualified
personnel who have received training may carry
out the operation.
11020R

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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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Engine and transmission assembly
10
10-6
– the earth strap on the bulkhead,
– the mountings of the air conditioning hoses (if
fitted) on the compressor and the condenser.
NOTE: it is essential to insert plugs in the pipes and on
the compressor to prevent the moisture entering the
circuit.
Remove the upper radiator mountings and attach the
cooling system to the engine.
Fit the engine retaining tool Mot. 1453 ensuring that
the strap is correctly positioned.
Remove the suspended engine mounting cover.Insert a wooden block between the gearbox and the
sub-frame.
Remove the nut (1), then tap it with a copper hammer
to release the suspended engine mounting stud.
Fit tool Mot. 1159 as shown below.
13932R
17518R1
17518R2
99024R2

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Engine and transmission assembly
10
10-7
Fit tool Mot. 1040-01 under the engine sub-frame.
Lower the lift until the tool touches the ground.
Remove the sub-frame mounting bolts and take out
the engine and transmission assembly by lifting the
body.
When starting to lift the body, ensure that the catalytic
converter is removed and extract the radiator from its
upper mountings (then place it on the sub-frame).
NOTE: for any operation requiring the engine, gearbox
and sub-frame assembly to be separated, take care to
mark the position of tool Mot. 1159 on the sub-frame.REFITTING
The alignment of the sub-frame with the body will be
made easier by positioning two threaded rods
Mot. 1233-01 in the two front mountings of the sub-
frame on the body.
When lowering the body onto the engine - gearbox
assembly, ensure that the catalytic converter is
refitted.
Tighten the sub-frame mounting bolts to a torque of:
– 6.2 daN.m at the front,
–10.5 daN.m at the rear.
See section 19 "Suspended engine mounting" for
the tightening torques for the engine and gearbox
assembly mountings.
Refitting is the reverse of removal.
Refit the heat shields correctly.
Apply Loctite FRENBLOC to the caliper mounting
bolts and tighten them to the recommended torque.
Press the brake pedal several times to bring the
pistons into contact with the brake pads.
Fill:
– the engine and gearbox with oil (if necessary),
– the cooling circuit and bleed it (see section 19
"Filling - bleeding").
Fill the refrigerant circuit using the filling equipment (if
fitted).
98755R1

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Cylinder head gasket
11
11 - 6
Cylinder head gasket
SPECIAL TOOLING REQUIRED
Mot. 251 -01 Dial gauge support
Mot. 252 -01 Pressure plate to measure
piston protrusion
Mot. 1054 TDC setting pin
Mot. 1159 Tool for holding engine on
subframe
Mot. 1202 -01
Hose clip pliers
Mot. 1202-02
Mot. 1387 Tool for checking the automatic
tensioner centreline
Mot. 1448 Long nose pliers for hose clips
Mot. 1453 Engine support
Mot. 1505 Tool for measuring belt tension
Mot. 1453 Timing belt pretensioning
torque tool
ESSENTIAL SPECIAL TOOLING
Cylinder head testing equipment
14 torx socket
Angular tightening wrench
55 torx socket
REMOVAL
Put the vehicle on a 2 post lift.
Disconnect the battery.
Remove the engine undertray.
Drain the cooling circuit through the lower radiator
hose.
Remove:
– the timing belt (see method described in section 11,
"Timing belt").
– the two PAS pipe mountings on the right hand sub-
frame. TIGHTENING TORQUES (in daN.m and/or ˚)
Tension roller nut 5
Crankshaft pulley bolt 2 + 115˚ ± 15˚
Suspended mounting cover bolt 6.2
Suspended mounting limiter bolt 6.2
Torque reaction arm 6.2
Wheel bolts 9

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Diagram
19
19-2
Diagram
1 Engine
2 Radiator
3 "Hot" container with degassing after thermostat
4 Heater matrix
5 Thermostat mounting
6 Thermoplunger mounting (if fitted)7 3 mm ∅ restriction
8 6 mm ∅ restriction
9 Oil/water exchanger
10 Water pump
11 Thermostat
12 Bleed screw
The expansion bottle valve rating is 1.2 bar
(colour: brown).

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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