Service manual

CLUTCH
TROUBLE DIAGNOSES
AND
CORRECTIONS
Condition
Noises audible
on
pedal depression
Noises audible on
pedal
release
Probable cause
Excessively
worn
damaged
or
poorly
lubri
cated release
bearing
Seized release
bearing
and
diaphragm
spring
fingers
Insufficient
pedal
free travel
Weakened unhooked
or broken clutch
pedal
return and control
springs
Weakened broken
or
unhooked
clutch with
drawal lever
return
spring
Excessive
play
between clutch disc
hub and
drive
shaft
spline
Misalignment
of
clutch disc to
flywheel
causes slight
movement of disc
hub in
respect
of
facing
This noise is
especially
audible with
engine
idling
or at low
speed
Broken
or weakened clu
tch
disc
cushion
springs
Insufficient
pedal
free travel
Weakened unhooked or broken
clutch con
trol and
pedal
return
springs
Weakened
broken or
unhooked
clutch with
drawallever
return
spring
Distorted or worn drive shaft
Excessive
play
of release
bearing
on
slip
sleeve
CL
11
Corrective
action
Replace
the
bearing
which
being
cased
cannot be
greased
inside
Replace
the release
bearing
Clean
diaphragm
spring
fingers
with
metal
brush and
smooth
out
bearing
contact faces with felt
polishers
Readjust pedal
free travel correctly
Set
springs
in
position
or
replace
them
if
weakened
or
snapped
Replace
the
spring
or hook it
up
as
required
Replace
the
clutch disc
and
ensure
that
clearance between hub
of
new
clutch
and
drive
shaft
is within
0
50 rom 0
0197
in
endwise and
0
20 rom 0 0079 in
crosswise
When clearances
exceed
above
limits
replace
the drive
shaft also
Set level of clutch disc
with
clutch
disc in
place
on
drive
shaft set
it under
slight
rotation and
check for no
run
ut
using
a
scriber
Replace
the clu Ich
disc
Set
pedal
free travel correctly
Check the
springs
for correct
position
and
replace
them
if
necessary
Replace
the
spring
or hook it
up
as
required
Replace
the drive shaft
and
clutch
disc
if
necessary
Replace
the worn
parts