transmission RENAULT SCENIC 2007 J84 / 2.G Transmission - Clutch Workshop Manual
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Transmission
"The repair procedures given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The procedures may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from
which his vehicles are constructed."
V1
All rights reserved by Renault s.a.s.
Edition Anglaise
Copying or translating, in part or in full, of this document or use of the service part
reference numbering system is forbidden without the prior written authority of
Renault s.a.s.
© Renault s.a.s.
V1 MR-372-J84-20A000$000_engTOC.mif
CLUTCH
Clutch - Operation 20A - 2
Hydraulic clutch - Operating diagram 20A - 3
Hydraulic clutch - Tooling and equipment 20A - 4
Hydraulic clutch - Customer complaints 20A - 5
Hydraulic clutch - Fault finding chart 20A - 6
20A
MR-372-J84-20A000$000_engTOC.mif
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CLUTCH
Clutch - OperationCLUTCH
Clutch - Operation
20A
20A - 2
20A
20A - 2V1 MR-372-J84-20A000$166_eng.mif
120A
CLUTCH
Clutch - Operation
The clutch is a system which enables mechanical action to be either linked or not to an end component.
It is made up of an assembly of parts located between the engine and the transmission components.
It ensures the following functions:
●When engaged: transmits the power provided.
●When disengaged: this transmission is interrupted.
●Between the two positions: the transmission of power is gradually restarted.
There are different types of clutch:
●Depending on number of discs:
●dry single disc clutch,
●dry double disc clutch with single control,
●double disc clutch with separate control (double),
●wet or dry multidisc clutch.
●Depending on type of control:
●manual control,
●hydraulic control,
●electric control with electronic servo.
The system is made up of the flywheel (b) (attached to the engine) (the bolts in the centre are screwed into
the crankshaft (a)).
The clutch plate is attached to the gearbox.
The outermost part is called the friction or pad. The pressure plate ensures that the clutch plate is held
against the flywheel when the clutch is engaged, as this is what ensures that they turn at exactly the same
speed, one driving the other.
The pressure plate springs are pushed in by the clutch thrust bearing.
When the clutch control (hydraulic, or cable operated) is activated, the clutch plates move apart and less and
less movement is transmitted, leaving the gearbox free of the engine. This, for example, allows the vehicle
remain stationary without stalling the engine, or a gear to be changed.
The opposite action involves gradually releasing the clutch control, so that the engine and gearbox are
reconnected. This manoeuvre is called "slipping the clutch".
a:crankshaft
b:flywheel
c:pressure plate
d:spring
e:clutch pedal
f:clutch thrust bearing
g:gearbox input shaft
h:clutch plate
i:clutch plate pad
MR-372-J84-20A000$166_eng.mif