belt RENAULT SCENIC 2000 J64 / 1.G Technical Note 3426A User Guide

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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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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

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Alternator
16
16-3
REFITTING (special notes)
Refit in reverse order to removal.
The belts on vehicles fitted with air conditioning are
tensioned by bringing the automatic tensioner plate to
a stop at bolt (B), without forcing it, using a 9.35 mm
square.
See section 07 "Accessories belt tension" for the
belt tension value for vehicles without air conditioning.
NOTE: never refit a belt once it has been removed,
but replace it.
98837-1R1

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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