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Condition
Clutch chatters
Noisy
clutch
Clutch
grabs
CLUTCH
Probable
cause
and
testing
Corrective
action
Clutch
chattering
is
usually
noticeable when vchicle
is
just
rolled off with clutch
partially
engaged
Weak
or
broken
clutch
disc
torsion
spring
Oil
or
grease
on
clutch
facing
Clutch
facing
out
of proper
contact
or
clutch
disc runout
Loose
rivets
Warped
pressure
plate
or
clutch
cover
surface
Unevenness
of
diaphragm
spring
toe
height
Loose
engine mounting
or
deteriorated
rubber
A noise is
heard after clutch
is
disengaged
Damaged
release
bearing
A
noise
is
heard when clutch
is
disengaged
Insufficient grease
on
the
sliding
surface
of
bearing
sleeve
Clutch
cover
and
bearing
are
not
installed
correctly
Replace
Replace
Replace
Replace
Repair
or
replace
Adjust
or
replace
Retighten
or
replace
I
Replace
Apply
grease
Adjust
A
noise is
heard when vehicle
is
suddei11y
staited offwith clutch
partially engaged
Damaged
pilot bushing
I
Replace
When
grabbing
of clutch
occurs
vehicle will
not start
off
smoothly
from
a
standing
start
or
clutch
is
engaged
before clutch
pedal
is
fully
depressed
Oil
or
grease
on
clutch
facing
Clutch
facing
worn or
loose
rivets
Wear
or
rust
on
splines
in
drive shaft and
clutch disc
Warped flywheel
or
pressure
plate
Loose
mountings
for
engine
or
power
train units
CLll
Replace
Replace
Clean
or
replace
Repair
or
replace
Retighten
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