brake DATSUN 610 1969 Owner's Manual

HAND
BRAKE
Removal

The
mechanical
handbrake

linkages
are
shown
in

Figs
L
21

1
22
and

1
23

1400
and
1600cc
models

Front
cable

Release
the
hand
brake
and
disconnect
the
front
cable

by

removing
the
clevis

pin
from
the
lever
Unscrew
the

adjusting

nut
from
the
rear
of
the
front
cable

Fig
L
24
Remove
the

cable
from

the
hand
brake
lever

Remove
the

clamp
holding
the
cable
to
the
under
body

Pull
out
the
lock

plate
holding
the
front
cable
to
the
retainer

and
completely
withdraw
the
cable
Withdraw
the
cable

by

unfastening
the
outer

casing
which
is

pressed
into
the
handbrake

control
bracket

Handbrake
lever

Fig
1

25

Remove
the
clevis

pin
connecting
the
lever

yoke
and
lever

Remove
the
clevis
pin
connecting
the
control

guide
and
the

control
bracket
Lift
out
the
handbrake

assembly

Rear
cable
Saloons

Remove
the

adjusting
nut

from
the

adjuster
Fig
L
26

and
disconnect
the
left
hand
rear
cable
from
the
handbrake

adjuster
Pull
out
the
lock

plates
and
remove
the
clevis

pin

connecting
the
cables
to
the
levers
of
the
rear
wheel

cylinders

Rear
cable
Estate
car
and

rigid
axle
saloon

Remove
the
clevis

pin
from
both
ends
of

the
rear
cable

Remove
the
connecting
rods

by
extracting
the

puU
off
springs

and
clevis

pins

1800cc
models

Handbrake
lever

Disconnect
the
terminal
from
the
hand
brake

warning

switch
Remove
the
nuts

securing
the
control
bracket
to

the

dashboard
Pull
out

the
lock
pin
and
cotter

pin
and
withdraw

the
handbrake
lever

assembly

Front
cable

Remove
the
return

spring
and
loosen
the

adjuster
10cknuL

Detach
the
front
cable
from
the
handbrake
lever
Remove
the

nuts

securing
the
cable
to
the
dashboard

Fig
L
27
and
with

draw
the
cable
towards
the

engine

Rear
cable
Saloon

Disconnect
the

cable
at
the

adjuster
and
detach
the
return

spring
from
the
centre
lever

See
Fig
L
28
Remove
the
cable

lock

plates
from
the
rear

suspension
Remove
the
clevis

pin

attaching
the
cable
at
the
rear

wheel

cylinder

Rear
cable
Estate
car

and
Van

Unfasten
the

pull
spring
and
remove
the
clevis

pins
at
the

balance
lever
and
wheel

sides

Fig
L
29
Detach

the

connecting

rod
Remove
the
nut

securing
the

connecting
rod
balance
lever

and
the
lever
from
the
rear
axle

housing
HANDBRAKE
Installation

Check
the
cables
for

signs
of
deterioration

fraying
etc

Examine
the
handbrake
lever
and
ratchet
for
wear
and
renew

as

necessry

Check
the

springs
for
evidence
of
weakness
and
make
sure

that
the
balance
lever
and
bushes
are

satisfactory

Installation
is
a
reversal
of
the
removal
procedure
Make

sure

that
all
sliding

parts
are

greased

Adjust
the
hand
brake
in
the

following
manner

Release
the
hand
brake
and

adjust
the
rear
brake
shoes
as

previously
described

The
1400
and
1600cc
Saloon
handbrake
is

adjusted
to

give
a
lever
stroke
of
85
95mm
3
34
3
74
in

by
setting

the

adjusting
nuts

Fig
L
24
The
lever
stroke
on
the
estate

car
should
be

adjusted
to
50
75mm
2
0
3
0
in

by
turning

the

adjuster
shown
in
Fig
L
30

Adjust
the
1800cc
models
to

give
a
handbrake
lever
stroke

of

90
100
mm
3
5
3
9in

by
turning
the

adjuster
2
in

Fig
L

28

Retighten
the
locknut
after

adjusting

BLEEDING
THE
HYDRAULIC
SYSTEM

The
hydraulic
system
must
be
bled
if
the
circuit
has
been

opened
at

any
point
or
if

the
level
of
the
fluid
in
the
master

cylinder
reservoir
has
fallen
too

low
allowing
air
to
enter

the

system

Bleeding
is

usually
a
two
man

operation
as
assistance
will

be

required
to
work
the
brake

pedal
The
master

cylinder

reservoir
must
be

topped

up
constantly
throughout
the

operation

whilst
a
check
is
carried
out
on

the
fluid

expelled

Bleeding
should
be
carried
out
at
the
master

cylinder
nrst

then
from
the
brake
furthest

away
from
the
master

cylinder

and

working
round

finally
to

the
brake
nearest
to
the
master

cylinder
Bleeding
should
therefore
be
carried
out

in
the
follow

ing
order
Rear
left
wheel
rear

right
wheel
front
left
wheel

front

right
wheel

Oean
the
area
round
the
master

cylinder
cover
take
off

the
cover

and

top
up
the
reservoir
if

necessary
Clean
the
rele

vant

air
bleed
screw
and
take
off
the

cap

Attach
a
suitable
hose
to
the
bleed
screw
and

place
the

free
end
of

the
hose
in
a

glass
jar
containing
brake
fluid

Open
the
bleed
screw
and

depress
the
brake

pedal
to
allow

the
fluid
to
enter
the

glass
container

Tighten
the
bleed
screw

when
the

pedal
is
fully
depressed
and
allow
the

pedal
to
return

Repeat
the

procedure
until
the
fluid
is

completely
free

from
air
bubbles
then

carry
out
the
same
operation
on
the

other
three
wheels

Top
up
the
fluid
in
the
reservoir
to
the
correct
level
but

do
not
re
use
the
fluid

previously
withdrawn
from
the

system

105

inter

jjiC@
V

6iIiIIlli
I
Ii

r

f
r

7
r

Y

t
I

10

1
L

u

N
c

I

F
ll
L
2S
The
handbrake

mbly

Fig
L
27
Front
handbrake
cable
attachment

nuts

e7
rl
A

I
r

I
r

J
i

I
f

I
I

I
of

II

J

F

F
ll
L29
Balance
lever
Estate
ClU1l
and
Vans

F
ll
L
30

AdjWltins
the
handbrake
cable

Estate
ClU1l

106
J

ei
Fig
L
26

Removing
the
lock

plates
see
text

I

7
I

i

1

@
i
1

0
1

e

V

O
V

I
r

r

if1
1i

cl

t
Ji
Y

a

t

3

F
ll
L
28
Rear
cable

layout
1800
C
c
SatOOWl

ok

pedat
height
H

87
mm
7

362
in

202
mm

7
953
ill
Jltznual
transmission

AutomItic
transmission

y
Brake

pedal
full
stroke
L

141
0149
mm

5
55
to
5
86
in

Brake

pedal
p
tJv
P

5
to

15
mm

0
2
to
0
6
ilL

Fig
L
31
Brake

pedal
adjWltment
1400
and
1600
c

c

models

l

car

Ll
1
f
1

J

111

I
l
j
u

n

l

71

t
i1

Unit
mfll
in
1
Push
rod

adjusting
scrt

W

2
Ptdlz

stop

3
Brake

Iilmp
switch

4
Clevis

pin

Fig
L
32
Brake

pedaladjWltment
800
c
c

models

BRAKE
PEDAL
ADJUSTMENT

The

brake
pedal
height
and
free

play
can
be

adjusted
in

the

following
manner
1400
and
1600
CC
models

Adjust
the

length
of

the
master

cylinder
push
rod
until
the

height
of
the

pedal
pad
is
187
mm
7
36
in

for
manual

gear

boxes
and
202
mm
7
95in
for

automatic
transmission
vehicles

without
brake

light
switch

Fig
L

31

Retighten
the
locknut

Screw
in

the
brake
light
switch
until
the
screwed

part
of
the

switch
is

against
the
front
of
the

stopper
bracket
then

tighten

the
locknut

Screw
in
the

stopper
bolt
until
the
moveable

part
of
the

switch
is

completely
pushed
in

by
the

pedal
and

tighten
the

locknut
in
this

position
Make
sure

that
the

lamp
is
00

when
the

pedal
is

pushed
down

by
1
5mm
0
06
in

1800cc
models

Adjust
the
bolt
of
the
brake

lamp
switch
until
its
end
face

is
flush
with
the
locknut
then

tighten
the
locknut

securely

See

Fig
L
32

Adjust
the

pedal
stopper
until

the

pedal
pad
is

positioned
at
a

height
of
185
mrn

7
28
in
from
the
floor

then

tighten
the

stopper
with
the
locknut

Adjust
the

length

of

the
master

cylinder

push
rod
until
a

pedal
free

play
of
I
5mm

0
04
D
2in
is
obtained
then

retighten
the
locknut

Depress
the
brake

pedal
several
times
to
make
sure
that
a

full
travel
of
145mm
5
7
in
is
available
and
that

the
pedal

moves

freely
and
without
noise

Technical
Data

BRAKE
PEDAL

Pedal

height

1400
and
1600cc
models
I
87mm

7
362in
manual

gearbox

202mm
7
953in
auto

matic

185mm

7
28in

145mm
5
71
in
1800cc
models

Full
stroke

MASTER
CYUNDER

Inner
diameter

Piston

running
clearance
19
05mm
0
75
in

0
15mm
0
006
in

WHEEL
BRAKE
CYLINDERS

Inner
diameter

1400
and
1600cc

Front
drum

Front
disc

Rear
with
front
drum

Rear
with
front
disc
22
22mm
7
8in

50
8mm

2
0

in

22
22mm

7
8in

20

64mm
13
16
in

Inner
diameter
I
BOOcc

Front
drum

20
6mm

13
16in
Front

disc

Rear
50
8mm
2

0in

22
2mm
7
8
in

BRAKE
DRUM
AND
BRAKE
DISC

Drum
inner
diameter

Drum
outer
diameter

Out
of
round
maximum

Repair
limit
of
drum

Maximum
disc
run
out

Repair
limit
of
disc
228
6mm
9
0in

232mm
9
13in

0
05mm
0
002

in

230mm
9
055
in

0
06mm
0
0024
in

8
4mm
0
331
in

BRAKE
UNINGS

Drum
brakes

Width
x

thickness
x

length
40
x
4
5
x
219
5mm

1
575
x
1
772
x
8
642in

Disc
brakes
39
7
x
9
x
86mm

1
563
x
0
354
x

3
386in

Total

braking
area

Front
drum
brake

Front
disc
brake

Rear
351

sq
cn
54
4

sq
in

114
2

sq
cm

17
7

sq
in

351

sq
cm
54
4

sq
in

107

N
Engme
SYMPTOMS
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Trouble
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ENGINE
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PERIODS
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REAR
AXLE
AND
REAR
SUSPENSION

Rear
wheel

bearing
nut

Brake

backplate
25
33

kgm
181
239

IbJt

7

3
7

kgm
19
5
26
8

lb

ft

1400
1600
Shock
absorber

upper
mounting
3

kgm
l6
61b
ft

Shock
absorber
lower

mounting
3

kgm
16
6
Ih
ft

1800cc
Shock
absorber

mountings
1
6
2
2

kgm
12
161b
ft

Drive
shaft
to
differential
nuts
5
6

kgm
36
2
4341b
ft

Drive
shaft
to
rear
axle

flange
5
6

kgm
36
2
43
4lb
ft

Bump
rubber
nuts
2
8
4
0

kgm
20
29
Ib

ft

Bump
rubber
nuts

180Occ
1
6
2
2

kgm
12
16
Ib
ft

Wheel
nuts

Rear

suspension
member

mounting
nuts
8
9

kgm
58
651b
ft

10

kgm
72
Ib
ft

Differential
member

mounting
nuts
8
5

kgm
61
5Ib
ft

Suspension
arm
to

suspension
member
nuts
10

kgm
58
72
Ib
ft

Differential
to
differential

member
6
8

kgm
43
581b

fl

Propeller
shaft

flange
nuts
4
0
8
5

kgm
29
62
Ib
ft

Propeller
shaft

flange
nuts

I
800cc
2
0
2
7

kgm
14
201b

fl

Differential
to

suspension
member
6
8

kgm
43
58Ib
ft

1800cc
Estate
car
and
Van
610

Body

Shock
absorber

upper
mounting
0
9
1
2

kgm
6
5
8
7Ih

fl

Shock
absorber
lower

mounting
3
5
4
5

kgm
25
33Ib
ft

Rear

spring
U
bolt

clip
6
0
6
5

kgm
43
47
Ib
ft

Shackle

spring
6
0
6
5

kgm
43
47Ib
ft

Spring
front

pin
6
0
6
5

kgm
43
47Ib
ft

Brake
back

plate

Estate

car

Van

Differential

gear
carrier

to
axle
case

Propeller
shaft

flange

Bump
rubber

Wheel
nut

Drain
and
filler

plug
2
2
2
7

kgm
16
20IbJt

L5
2
0

kgm
II
14
Ib
ft

2
0
2
5

kgm
14
18Ib
ft

2
0
2

7kgm
14
20Ib
ft

0
9
1
2

kgm
6
5
8

7Ib
ft

9

kgm
58
65Ib
ft

4
2
6
9

kgm
30
4
49
9
lb

ft

FRONT
SUSPENSION

Front
hub
nut

3
0
3
5

kgm
21
7
25
3

Ib
ft

Disc
brake

backplate
to
strut
2
7
3
7

kgm
19
5
26
7

Ib
ft

Brake

ca1liper
bolts
7
3
9
9

kgm
52
8
71
6

Ib
ft

Brake
disc
bolts
3
9
5
3

kgm
28
381b
ft

Stabilizer
bolts

suspension

arm
side
1
2
I

7kgm
8
7
12
3

Ib
ft

130
Tension

rod
to
frame

Tension

rod
to

transverse
link

Strut

assembly
upper
nuts

Steering
lever
to

strut

Ball

joint
to

transverse
link

Ball

joint
to
knuckle
ann

Piston

rod
nut

Gland

packing

1400
and
1600
CC
models

Flange

mounting
bolts

Bali
stud
nut

Gear
ann
nut

Idler
ann
nut

Adjusting
screw
nut

Steering
gear
mounting
bolts

Idler
arm

bolts

1800cc

models
610

Body

Gear
ann
nut

Rear
cover

bolts

Sector
shaft
cover

Sector
shaft

adjusting
screw

locknut

Steering
gear
mounting
bolts

Steering
linkage

Idler
arm
to
frame

Ball
stud
nuts

Side
rod
locknuts

Column
shaft

Steering
wheel
nut

Column

clamp

COll

piing
worm
shaft

Coupling

mounting
bolts

Brake

pedal
pivot

Brake

pipe
connection

Brake
disc
bolts

Bridge
pipe

Brake
hose
to

cylinder

Brake
calliper
bolts

Wheel

cylinder
bolts

Stud
side

Hexagon
side
4

5
5
5

kgm
33
40Ib
ft

4
9
6
3

kgm
35
4
45

6

Ib
ft

3
9
5
2

kgm
28
2
37

6

Ib
fr

6
8

kgm
43
581b
ft

1
9
5

kgm
14
18Ib
fL

5
5
7
6

kgm
40
55Ib
ft

6
7
5

kgm
43
54Ib
ft

7
13

kgm
51
94Ib

ft

STEERING

1
8
2
5

kgm
13
18Ib
ft

5
5
7
6

kgm
40
55Ib
ft

12

5
14
0

kgm
90
101
lb

ft

5
5
7
6

kgm
40

55Ib
ft

1
8
2
5

kgm
13
18Ib
ft

10

kgm
72

Ib
ft

4
4
6
1

kgm
32
44Ib
ft

14

kgm
lOllb
ft

L5
2
5

kgm
II
18Ib
ft

1
5
2
5

kgm
II
18Ib
ft

2
0
2
5

kgm
14
5
18Ib
ft

6
8

kgm
43
4
57
8Ib
ft

4
4

6
1
kgm
32
44Ib
ft

5
5
7
6

kgm
40
55Ib
ft

4
4
6
1

kgm
32
44lb
ft

4
5

kgm
29
36
Ib
ft

1
3
1
8

kgm
9

4
13
0
lb

ft

4
5

kgm
29

36Ib
ft

L5
2
2

kgm
II
16Ib
ft

BRAKES

3
5
4
0

kgm
25
3
28
9

Ib
ft

1
5
1
8

kgm
10
8
13
0
lb

ft

3
9
5
3

kgm
28
2
38
3
IbJt

1
7
2
0

kgm
12
3
14
51b

fl

1
7
2
0

kgm
12
3
14
5lb

ft

7
3
9
0

kgm
52
8
65
llb
ft

0
5
0
7

kgm
3
6

5
llb
ft

1
4
1
8

kgm
10
13
Ib
ft

inter
M
j

@W

J

1

i
I

r

p

@
2
1
Strut
mounting
inzulDtor

Thruu
b

aring

J
Coil

prins

4
rubber

j
Sl1ut

mbly

6
Compression
rod

Z
Bal

joint

8
T
1ink

9
Stabi
iur

10
ODS

rnt
r
i

L
St

Ting
wheel

2
Steering
column
maft

J
Rubb
rCOfl
linK

4

Sturing
lower
joint

5

St
rinuotlr
IwusUr8

6
Sid
rod

XlI

Fig
C
1
Front

suspension
assembly
Fig
C
2
The
steering

gear

iQ

r
y
y

v

I
Ii

1
1

Fig
C
3

Collapsible

steering

Fig
C
4

Disconnecting
the
brake
hose

I

f41
I
I
t

h
I

t
t

Il
t

k
I

Fig
C
5

Removing
the
front
hub
and
brake

disc
Fig
C
6

Detaching
the
brake
disc

522

Remove

the
road
wheel
and
disconnect
the
brake
hose
at

the
connector
as

shown
in

Fig
C
4
of
this
section

Remove
the
brake

calliper
assembly
and
hub

cap
Withdraw

the
cotter

pin
and
remove
the
wheel

bearing
locknut

Remove
the
wheel

bearing
washer
and
take
off

the
hub

and
brake
disc

Fig
C
5
Remove
the

bearing
collar
take
out

the
outer

bearing
cage
and

prise
out

the
hub

grease
seal
Remove

the
inner
bearing
cage
and
drive
out
the
outer
races

of
the
inner

and
outer

bearings
using
the

special
drift
ST49120000

if
avail

able

Separate
the
brake
disc
from
the
hub
by
taking
out
the

retaining
bolts
as
shown
in

Fig
C
6

Installation
is
a

reversal
of
the
removal

procedure
Adjust

the
wheel

bearings
as

previously
described

taking
care
to

tighten
the
wheel

bearing
locknut
to
the

specified

torque
read

ing
of
3
0
to
3
5

kgm
21
7
to
25
3lb
ft
Turn
the
hub

several
times
to
settle
the

bearing
then
retighten
the
nut
to
the

same

figure
Slacken
the
locknut

by
a

quarter
turn
900
and

insert
the
cotter

pin
when
the
hole

in
the

spindle
is
aligned

with
the
hole
in
the
nut
Check
that
the
force

required
to
turn

the
hub
is
less
than
7
0

kg
cm
97
2
in
oz

STABILIZER
Removal
and
Installation

Remove
the

splash
board
and
take
off
the
bolts
I
in

Fig
C
7
which
attach
the
stabilizer
at

the
transverse
link
sides

Remove
the
bolts

attaching
the

stabilizer
bracket
2
to

the
frame
then

withdraw
the
stabilizer

Check

the
bar
and
rubber

components
for

signs
of
deforma

tion
or

damage
and
renew
as

necessary

Installation

is
a
reversal
of
the
removal

procedures
Tighten

the

fixing
bolts
to
a

torque
reading
of
1
2
to
I
7

kgm
8
7
to

12
3
lb
ft
at

the
transverse
link

side
and
1
9
to
2
5

kgm
13
7
to

18
llb
ft
at
the
frame
bracket

SPRING
AND
STRUT
ASSEMBLY

The

spring
and
strut
assembly
can
be
serviced

by
following

the
instructions
previously
given
for
the
assemblies
on
vehicles

fitted
with
the
L14
L16
and

Ll8engines

When

reassembling
make
sure
that
the

parts
shown
in

Fig
C
8
are

thomughly
greased
Installation
of
the

assembly

will
be

accomplished
more

easily
if
the
dust
cover
on
the
bonnet

ledge
is
removed

Tighten
the
nuts
and
bolts
to
a

torque
figures
given
in

TIGHTENING

TORQUES

TRANSVERSE
LINK
AND
LOWER
BALL
JOINT

The
transverse
link
and
lower
ball

joint
can
be

removed
in

a

similar
manner
to
the

parts
on
vehicles
fitted
with
L
14
L
16

and
L
18

engines

Renew
the
link

if
cracked
or

damaged
in

any
way
Check

the

measurement
A
in

Fig
C
9
The
measurement
between

front
and
rear
transverse

link
bushes
should
be
less
than
1
0
mm

0
039
in

Replace
the
bushes
if

necessary
The

lower
ball

joint

should
be

replaced
if
the
axial

play
of
the

joint
exceeds
0
03

to
0
6

mm
0
0012
to
0
0136

in
A

grease
nipple
must

be
installed

in

place
of
the
ball

joint

plug
so

that
the

joint
can
be
lubricated
with
multi

purpose
grease

as

previously
described

SUSPENSION
MEMBER

Removing
and

Installing

Jack

up
the
vehicle
and

support
it
on

stands

2
Remove
the

splash
board
Refer
to

Fig
C
I
0
and
detach

the

compression
rod
I
the
stabilizer
2
from
the
trans

verse
link
3
Detach

the
steering
linkage
from

the
suspen

sion
crossmember
4

3
Take
out

the
nuts

attaching
the
transverse
links
and
remove

the
links
at
both
sides
of
the
vehicle

4

Support
the

engine
with
a
hoist
as
shown
in

Fig
C
II

taking

care
not
to

damage
the
throttle
and
remote
control

linkages

and
then
remove
the

engine
mounting
bolts
at
both
sides

5
Remove
the

bolts
shown
arrowed
in
Fig
C
12

and
lift
the

suspension
member

away

Renew
the

suspension
member
if
it
is
cracked
or

deformed

in

any
way
Installation
is
a
reversal
of
the
removal

procedure

FRONT
WHEEL
ALIGNMENT

As

previously
stated
the
castor
and
camber

angles
are

preset
and
cannot

be

adjusted
A

thorough
check

should
be

made
of
the

steering
and

suspension
system
and
all
defective

parts
renewed
if

the

angles
are

incorrect
See
Technical

Data

The
front
wheels
should
toe
in

12
to

15
mm
0
4
7
to

0
59

in

Adjustment
can
be
carried
out

by
slackening
the
locknuts

1
in

Fig
C
13
and
then

turning
the
tie

rods

by
an

equal
amount

until
the
correct
toe

in
is
achieved
A
toe

in
gauge
will
of
course

be

required
for
this

operation

STEERING
WHEEL
AND
COLUMN
Removal

Disconnect
the
horn
wire
and
remove
the
horn
bar
Remove

the

steering
wheel
nut
and

pull
off
the

steering
wheel

2
Remove
the
turn

signal
and

lighting
switch

assembly
followed

by
the

steering
column
shell
covers

3
Remove
the
bolts
from
the
rubber

coupling
to

disconnect

the
lower

joint
See

Figs
C
14
and
C

I
5
if
the
car
is

fitted
with

right
hand
drive
The
lower
joint
upper
bolt

should
be
removed
to
disconnect
the

joint
if
the
car

is

fitted
with
left
hand
drive

4
Remove
the
cotter

pin
from
the
trunnion
and
disconnect

the

gearchange
rod
and
selector
rod

5
Remove
the

steering
column

upper
clamp
and
take
out
the

bolts

securing
the
lower

plate

STEERING
COLUMN

Dismantling
and

Assembling

Remove
the
C
washer
socket
screw
and

upper
bracket

bolt
Remove
the
lower
bracket
bolts
and
detach
the
remote

control

linkage
from
the
column

assembly

Remove
the

snap
ring
at
the

top
of
the
column
and
extract

the
column
shaft
from
the

jacket

Disconnect
the
rubber
coupling
from
the
lower

joint

then
remove

the
snap
ring
and
dismantle
the
lower
joint

S25

12

11
3
1

i

20

20

y

l
17
4

5

17

1
18

le

8
15

0

20
lQ
l
ah
rod
a

S
y

Dus

ewer

Stopper
rint

condiuy
putcm
cup

MaJler

cylinder
puto

Primmy
plJlan
cup

Inlet
l
tIhe

cwy

Pi
Jton

retunl
SPrin8

cylinder
body

RtJeTfoir
btJnd

au

y

Rel6l
Ou

Reservoir
cap
ass

Bl
der
screw

cap

Binder
screw

C1teck
l1a
1ve

spring

Chechob
y

Packin8

Piston

stopper
scrrw

Vain

cap
fllsJcet

Vah
e

cap

Components
of
the

single
master

cylinder
Jx
1
As

y
bm
ke
mtUtn

cylinder

2

Oil
rnenoir

ClIp

3

Brake
oil
1
turJ1

U

4

Oil
rnervou
hlznd

5

Dlertler
JCTeW

6
Blettkr
ta
W

azp

7
Va
lle

cap

8
Gtuket

9
b

y
nzJpa

10

Vah
e

tpriIog

11

Valve
Uflt

12

Stopper
1CTe
W

Components
of
the
tandem
master

cylinder
13

Itukin8

U

b
y
pbto
A

15
PUlon

cup

16

Cylbukr

17

Au
y
puto
B

18
A

y
voba

tpriIog

19

1nktvahatprilog

20
PUlan

cup

21
40

y
pw
r
rod

22

Stopper
rinr

23
Dwt
coper

Fig
D

Fig
D
2

4
1
A
S

y
catft7a

2

Equalizu
hmuJ
broke

J
R
B

Tt
lJ1
cab

4

AdiU3tt
T
cailk
rmr

5

S
1TiIw
retum

6
L
H
ntu
Ofbk

7
Pir

fulcrum
hand
braJcalev
r

8

aJ
Vb1l
front
hand
bmka

9

TrutUon

pin
hand

bt
rzU
ctlbk

10
P
atMock

rand
IRvke
azb1l

10

1

L
1

4

6

l

Nota

@
Apply
11lI
gteall

@ApplychlSSis

1

7

Fig
D
3
Handbtaka

linkage
system
1

Tandem
nmt

cylintkr

2

Two

MY
COnMC
or

3
Brake
line

prtSlf
e

difftrentiJzl
umil16
ootch

Fig
D
S

Layout
of

brake

piping
with

tandem

master

cylinder

I

530

BrakIng
System

Description

Front

disc
brake
Friction

pads

Front

disc
brake
Removal
and
Installation

Rear
drum

brake
Removal
and
Installation

Master
Vac
Servo
Unit

Handbrake

cables
Removing

Handbrake

Adjusting

Brake

pedal

Adjusting

Rear
drum

brake

Adjusting

Bleeding
the

hydraulic
system

DESCRIPTION

The
vehicle
is
fitted
with
disc
brakes
for
the
front
wheels

and
leading
trailing
shoe

type
drum
brakes

for
the
rear
wheels

A
conventional

single
master

cylinder
is
fitted
to

the

Standard
and
DeLuxe
models
See

Fig
D
I
for
details
The

DeLuxe
models
are
however
additio

ally
equipped
with
a

Master
Vae
servo

unit
which

provides
a

much
higher
braking

performance
with
minimum
force

required
on
the
brake

pedal

A
tandem
master

cylinder
and
Master
Vac
servo
unit
are

fitted
as
standard

equipment
to
the
Datsun
CL30UA
and
CL3

OUT
models
Fig
D
2

gives
an

exploded
view
of
this

type
of

master

cylinder

The
handbrake
is
of
the
mechanical
type
with
the
handle

linked
to
the
rear
shoe

operating

lever
through
a
system
of

rods
and
wires
See

Fig
D
3

As
on

previous
models
a

brake

pressure
differential
warn

ing
light
switch
is

incorporated
with
dual
brake
circuits
The

front
and
rear
brake

systems
are
connected
to
the
switch
which

provides
a

warning
via
a

warning
light
on
the
instnllnent
panel

when
a

pressure
difference
of
13
to
17

kg
sq
cm
IB5
to
242

lb
sq
in
occurs
between
the
front
and
rear

systems

Brake

piping
layouts
of
the
single
and
tandem
master

cylinder
systems
are
shown
in

Figs
D
4
and
0
5

FRONT
DISC
BRAKE
Friction

pads

The
disc
brakes
are
self

adjusting
but
the
friction

pads

should
be
checked
for
wear
after
the
fIrst
6
000
un
4
000
miles

and
then

every
5
000
km
3
000
miles
The

pads
must
be

replaced
if
the
friction

lining
on

any
pad
has
worn
to
less
than

1
0
mm
0
04
in

The
thickness
of
the

pads
can

easily
be
checked
after
remov

ing
the
anti
rattle

clip
from
the
calliper
plate

Full

servicing
procedures
are

given
in
the
section
BRAKING

SYSTEM
for
vehicles
fitted
with
Ll4
Ll6
and
Ll8

engines

FRONT
DISC
BRAKE
Removal
and
Installation

Refer
to

the
section
BRAKING
SYSTEM
for
the
Ll4
L16

and
LIB

engines
for
full
details
of
the
removal

and
installation

procedures

Check
the
thickness
of
the
friction

pads
as

previously

described

and

replace
them
if

necessary
Check

the
brake
disc
for

scoring
and
out
of

round
The

standard
diSc
thickness
is
10
0
mm
0
394

in
and
must
not

be

reground
below
8
40
mm
0
331
in
The
run
out

of
the

disc
should
be
less
than
0
06
mm

0
0024
in
and
can
be

checked

with
a
dial

gauge
positioned
near

the
outer

diameter

of
the
disc
as

previously
described

REAR
DRUM
BRAKE
Removal
and
Installation

The
rear
drum
brakes
See

Fig
D
6
can
be
removed
and

inspected
as
described
in
the

section
BRAKING
SYSTEM
for

vehicles
fItted

with
L14
L16
LIB

engines

Examine
the
brake
drums
for

scoring
and
out
of

round

The

maximum
inner
diameter
of
the

drum
must
not

exceed

229
6
mm
9
040

in
after

reconditioning
Out
of
round
should

be
below
0
05
mm
0
002
in

Renew

the
brake
shoe

linings
if

they
are
contaminated
or

incorrectly
seated
or
if
the

thickness
of
the

lining
has
been

reduced
to

1
5
mm

0
06
in
or
less
Oil
or

grease
can
be
re

moved
from
the

linings
by
cleaning

thoroughly
with
carbon

tetrachloride
or

petrol

Check
the
shoe

return

springs
and

replace
them
if

they

have
become
weakened
Check
the

bores
of
the
wheel

cylinders

for

signs
of
wear

damage
or
corrosion
Renew
the

cylinders

and

pistons
if
the
clearance

between
the
two

parts
exceeds
to

0

15
mm

0
006
in
Renew
the
c

ps
when

overhauling
the

wheel

cylinders

MASTER
V
AC
SERVO
UNIT

Removing
and

Dismantling

The
servo

unit
should
be
removed
and
overhauled
at

yearly

intervals
A
Master
Vac

repair
kit

is
available
and
all

parts

marked
in

Fig
D
7
should
be
renewed
after

dismantling
the

unit
These
items
are
all

supplied
as

part
of
the
repair
kit

The
unit
can
be

removed
as

follows

Remove
the
clevis

pin
from
the

push
rod
and
detach
the

Master
V
ac

unit
from
the
brake

pedal

2
Disconnect

the
brake
tube
from
the
master

cylinder
and

the
vacuum
hooe
from
the
Master
Vac

3
Take

off
the

retaining
nuts

and
remove
the
Master
Vac
and

spacer
then

separate
the
master

cylinder
from
the
Master

Vac

Mark

the
front

cylinder
shell

and
the
rear
shell

and
stud

assembly
before

dismantling
the
unit
then

proceed
as

follows

S31

inter
j
IJ

ITJJ

4

532
6

7

Fig
D
4

Layout
of
brake

piping
with

single
master

cylinder
3
15

7

6

e

2
1
rQt
coper

2

Adiwtint
Urim

3
dUe

4

Adiuster

5
Retum

springs

6
Anti
ttk

qJrinp

V

7

Adiwt
t

Fig
D
6
Rear
drom
brake

components
8
JIJmd
bnzke
Iner

9
Wh
1

cylinder

10

Lilli

11
A
nti
rattle

pim

3
4
1
PIIz

ed
st
tl1

2

Push
rod

3

Dittp
urtun

4
Rmr

Vrdl

J
Jbwer

phton

6
VQcwunl
OJlt

7
01

8
VQcuum
wzhe

9

fuppet
aucmb1y

10
Vah

body
pzrd

JEiID

12
II
Air

li
mur

Fzlter

12

V4lveopt
l
t1tintrod

13
Vobe

rdunuJNin8

14

lbppet
mum

Pri
If

15
AiTvah
e

16

RDut

17

Valve

plunger

18

Reaction
dUe

19

lJttp
rrqm
mum

Pri
If

20

Front
s
relJ

IS

Fig
D
Section

through
the
Master
Vac
unit
J
Bralee

rube
A

2
Front
COfIMctor

3
Bralee
tube
B

4
PreS
lJ
hO
e

front
R
H

5
Brake
tube
C

6
tubeD

7
Pressure
hose

front
L
H

8
2

way
connector

9
Brake
tube

E

10
Rear
connector

11
Pressure
hose
rear

R

12
Brake
tube
F

13
Brake
tube
G

14
PntruFe
h
e
raIT
L
H

IJ
Brake
hlbe
H

16
Hose
lock

plate

17
Hose

Jock

spring

Fig
US

Removing
the
air
silencer
retainer

Fig
D
9

Removing
the
valve

plunger
stop
key

G

lj

t

I

e

6
I

r

6

Fig
D
1O

Removing
the
bandbrake
front

cable