2004 DACIA SUPERNOVA Repair Manual

20
CLUTCH
D I A G N O STIC
LEGEND / KEY
Is checked
Operations
performed
The pedal of the clutch

op poses no resistance Inci
dent
noticed
Th e state of the
hydrau lic tubing is
checked
The fixa tion of the
hydrau lic receiver is
checked
The state of the
clutch mecha-
n ism is checked
and it is replaced
if necessaryThe fau lty parts
are replaced
The fau lty parts
are replaced
NON-CONFORMING
NON-CONFORMING CONFORMING
CO NFO RMI NG
20 - 3
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20
CLUTCH
The axis of the clutch
pedal is lubricated
The retu rn of the
clutch pedal is
checked
The fau lty parts
are replaced
Th e em itting cylinder
or the hydraulic re-
ceiver are seized up
The sliding of the mov-
ing part of the hydrau-
lic receiver is checkedThe fa ulty parts
are replaced





Clutch pedal is tough /
rigid
NON-CONFORMING
NON-CONFORMING NON-CONFORMING CONFORMING
CONFORMING
D I A G N O STIC
20 - 4
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20
CLUTCH
The complete return
of the clut ch pedal is
checked
The state of the
hydrau lic circuit is
checked
The worn-out or oiled
clutch is checked
- The worn-out elements are
replaced
- The cause of the leakage is
e liminated.
The st at e of the
pedal is checked


The state of the clutch
m echanism is checked,
and it is replaced if
nece ssary


Clutch skidding
The engine has the ten-
dency to accelerate
NECONFORMING
NON-CONFORMING
The faulty parts are
replaced
CONFORMING
CONFORMING
CONFORMING
D I A G N O STIC
20 - 5


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20
CLUTCH
The ge arbo x has a noise / rattle
The clutch pe dal pushed to the fullest:
-stopped car
-eng ine not running.
The comp lete return of the
clutch peda l is checked
The state of the
pedal is checked
The state of the hydraulic
ci rc uit, that of the emitting
cylinder and of the hydrau-
lic receiver, are checked
The state of the
clutch is checked
The fau lty parts
are replaced
The state of the hydraulic
circu it is checked and the
circu it is drained
The state of the
hydrau lic receiver is
checkedThe fa ulty parts
are replaced
The stroke of the
hydrau lic receiver
is checked
The state of the
clutch is checked
NON-CO NFORMING




CONFORMING

CONFORMING
CONFORMING

CONFORMING

NON-
CONFORMING
CONFORMING

NON-CONFORMING
D I A G N O STIC

CONFORMING
NON-CONFORMING
NON-
CONFORMING

The defect is looked
for at the level of the
gearbox
20 - 6
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20
CLUTCH
The gears cannot be coupled
-stopped car
-e ngin e working
The opera tion of the
clutch is checked
Sticking clutch
The clutch is unstuck
The selection
steering is checked
The selection
steering is adjusted
The state of the steering
elemen ts is checked
The fau lty parts are
replacedThe g earbox is checked


CONFORMING

CONFORMING

CONFORMING

NON-
CONFORMING

NON-
CONFORMING

NON-
CONFORMING

D I A G N O STIC

20 - 7
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20
CLUTCH
Trepidation
(t he car starts “by fits”)
The sta te of the props
of the gearbox is checked
Oiled clutch, or clutch hav-
ing a beat
The fau lty parts are replaced.
The o rigin of the beat is elimi-
nated.
The pr ops are replaced and the tight-
ening of the gearbox fixing spots on
the engine is checked, and also the
fixing of the engine
Clutch pedal has a “creak”
The axis of the clutch
pedal is oiled
Pedal axis worn-out
The fau lty parts are replaced
NON-CONFORMING



NON-
CONFORMING

CONFORMING



D I A G N O STIC
20 - 8
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20
CLUTCH
CLUTCH DISC MECHANISM
REPLACEMENT
This operation is done after taking apart the engine - gearbox ensemble and after
their separation.
The stopping sector MOT 582 is mounted.
The screws fixi ng th e mechan ism are taken off.
The mechan ism and the clutch disc are taken apart.
Visual inspection is done: - wear of engi ne flywheel;
- co ndition of the starter crown;
- watertightness at the level of the crankshaft fitting;
- co ndition of the flywheel surface (it must not have scratches).
The fau lty parts are replaced and the grooves of the clutch shaft are cleaned.
SPECIAL DEVICES
MOT 582 Flywheel immobilizing sector
AMB 1518 Clutch centering device
TIGHTENING COUPLES (daNm)
Clutch mechanism screws 2
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20
CLUTCH
The clutch disc is mounted with the A damping flange towards the gearbox
The clutch d isc is centered with the AMB 1518 centering device
The clutch mech anism is mounted;
Th e fixing screws are progressively put on the thread of the mechanism, then they are tight-
ened to the couple;
The MOT 582 fly wheel-stopping sector is taken off.
CLUTCH DISC MECHANISM
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