Datsun 1000 - CLUTCH FAULT DIAGNOSIS

1
iUtch
Secure
the
lock nut
and
recheck the
pedal pad heigllt
2
Release the
lock
nut
at
the
upper
end of
the
outer
cable and
adjust
the
pedal
free travel
Adju
t the cable uhtil a free travel
of between
II 15
rum
0 433 0
591 in from the
original
pedal
height setting
has
been ohtairiect
Check
the
bearing
release lever free
travel
and
this
reading
should
be 3
0
4
0 rum 0
1
i81
0 1575 in
Should
the
bearing
release lever free
travel
not
be
within this tolerance
readjust
the
pedal
free
travel
Tighten
the
cable
adjusting
lock
nut and recheck the
free
travel
I Clutch
slipping
9
LUTf U
FAIJI
T DIAGNOSIS
Possible
cause
a Clutch
bleadjustfnent
b
W
eak or
broken
diaphragm spring
c
Worn driven
plate
facings
d Worn
or
scored
flywheel face
2
Gutch shudder
Possible cause
a Oil
or
gummy
driven
plate facings
b
Scor d
pressure plate
or
flywheel
c Loole
or
damaged engine mounting
d Loose or
damaged
driven
plate
hub
e
Loose driven
plate
facings
f
Cracked
pressure
plate
face
3
Gutch
grab
Possible cause
a
Gummy
driven
plate
facings
b Cracked
pressure
piate
face
el Loose
or broken
engine mountings
4
Throw out
bearing
noise
Possible
cause
a
Dry
or seized
bearing
b
Incorrect
clutch cable
adjustment
c
Faulty
or
broken
diaphragm spring
5 Insufficient clutch release
Possible
cause
a
Excessive free travel of clutch
pedal
b
Excessive
play
of release lever
c Pilot
bushing
siicking
d Clutch disc
warped
e
Leaking
master
cylinder
cup
f Leaking
shive
cylinder
cup
g
Air in
hydraulic
system
h
Low fluid levei
in
reservoir
Remedy
Check and
adjust
to
spepifications
Check
and
renew
assembly
Check
arid renew
driven
plate
Renew
flywheel
and
ring gear
Remedv
Check
and
renew
driven
plate
J
eriew
pressure plate
and cover
assembly
or
flY Yheel
and
ring gear
Check
arid renew
mountings
as
riecessary
Check
and renew driven
plate
Renew
or check driven
plate
Renew
pressure plate
and cover
assembly
Remedv
Renew
driven
plate
Renew
pressure plate
and cover
assembly
Check
and renew
engine mountings
as
necessaiy
Remedy
Checkand
renew
bearing
Check
and
readjust
to
specification
Check
and
renew
pressure plate
assembly
Remedv
Adjust correctly
Adju
t
correctly
eplace pilot
bearing
Replace
clutch disc
Replace cup
Repl
ce
cup
Bleed
system
Top
up
with
brake fluid
56
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