1979 DATSUN 210 Operating cylinder

INSPECTION

Brake
drum

I
Check
inner
diameter
of
brake

drum
to
make
sure

it
is

properly
round

and

tapered
If

it
is
not

repair
or

replace
brake

drum

Inner
diameter

Standard
diametel

203
2
mm
8

in

Maximum
diameter

204
5

mm
8
05
in

Out
of
loundness

ellipticity

less
than

0
02
mm
0
0008
in

Radial
runout

less
than
0
1
mm
0

004
in

Total
indicator

reading

Taper

less
than

0
02
mm
0
0008
in

Measured

at
a

point
40

mm

1
57
in
flam
inlet

2

Contact
surface
with

which
lin

ings
come
into

contact

should
be

fine
finished
with

No
120

to
150

sandpaper

3

Using
a
drum
racer
finish
brake

drum

by

machining
if
it
shows

any

sign
of

score
marks

partial
wear

or

stepped
wear
on
its

contact
surface

Note

After
brake
drum
has

been

completely
re
conditioned

or
re

placed
check
drum
and
shoes
for

proper
contact

pattern

Brake
e

embly

1

Replace
any
linings
which
are

cracked
worn

or
oil
stained

2
If

lining
is
worn

to
less
than
the

specified
value

replace

Lining
wear
limit

Minimum

thickness

1
5

mm
0
059

in

3

Replace
any
shoe
return

springs

which
are

broken
or

fatigued

4

Replace

fatigued
anti

rattle

spring

damaged
pin
and
or
retainer

Wheel

cylinder

I

Replace
any
cylinder
or

piston

which
is

scratched

scored
or

worn
on

its

sliding
contact
surface
Brake

System

2

Replace
worn

parts
if

piston
to

cylinder
clearance
is

beyond
limit

Piston
ta

cylinder
clearance

less
than
0
15
mm
0

0059
in

3

Replace
any
piston
cup
which
is

worn

or
otherwise

damaged

4

Replace
if

contacting
face
of

cyl

inder
and
shoe
is
worn

locally
or
in

step

5

Replace
any
damaged
dust
cover

fatigued
piston
spring
or

faulty
thread

ed

parts

6

Replace
any
tube
connector

which
is

worn
on
its

threaded

portion

INSTALLATION

Install
rear
brake
in
reverse
order

of

removal

closely

observing
the
follow

ing

1

Tighten
following

parts
to

speci

fied

torque

CAUTION

When

installing
brake
tube

use
Flare

Nut

Torque
Wrench

6694310000

ifl

Tightening
torque

Flared
nut

1
5
to
1
8

kg
m

11
to
13
fHb

Ail
bleedel

0
7
to
0
9

kg
m

15
1
to
6
5
ft
Ib

Wheel

cylinder

mounting
bolt

0

6
to

0
8

kg
m

4
3

to
5
8
ft
b

2
There
are

two

types
of

adjusters

which
have

right
thread
or
left
thread

R
H
brake

Right
thread

adjuster

L
H

brake

Left
thread

adjuster

3

Sparingly

apply
a
coat
of
brake

grease
to
the

following
points

Lubricating
points

e

Adjuster
nut
and
rod
threads

Mating
surfaces

between

adjuster

and

toggle
lever
and

pin
and

roller

BR

ll
0

J

o

BR
117
A

Fig
BR
24

Lubricating
Points

of

Adju
ter

4

Referring
to

Fig
BR

25
for

locations
of

lubricating
points
apply
a

coat
of
brake

grease
to
these

points

Exercise

care
not
to
allow

grease
to

come
into

contact
with

lining
or
ad

juster
screws

Lubricating

points

e

Contact
areas

between
wheel

cyl

inder
anchor
block
and
brake
shoe

e

Mating
surfaces
between
brake
shoe

and

brake
disc

Contact
areas

between
hand
brake

adjuster
and
brake

shoe

Contact
areas
between
brake

disc

brake

shoe
and

toggle
lever

Contact
areas
between

anti
rattle

pin

spring
retainer
and

brake
shoe

Fig
BR
25

Lubricating
Points

5

To

prevent
water
from

entering

brake
drum

apply
dry
sealant
to

brake

disc

mounting
surfaces
of
the

follow

ing

parts

Wheel

cylinder

Anti
rattle

spring

6
Make

sure
that

entire
brake

shoe

fits
in

place

7

Make
sure
that

adjuster
operates

properly

8
After
installation
is

completed

check
and

adjust
shoe

to
drum
clear

ance

by
operating
hand
brake
several

times

9

Bleed
brake

system

BRAKE

BOOSTE
R

INSPECTION
OF

OPERATION

Checking
vecuum

pressure

I

Connect
a

vacuum

gauge
in
the

tine
between
check
velve

and
brake

booster

1
Check
valVe

2

Vacuum
gauge

BA942

Fig
BR
26
Air

Tighte
Te
Set

Up

Probable
cause

Air

leakage
at

check
valve

2
Air

leakage
at

push
rod

seal

3
Air

leakage
between
valve

body
and

seal

4
Air

leakage
at
valve

plunger
seat

5

Damaged
piping
or

joints

Air

tight
test
Under
loed

Fifteen

seconds
after

engine
is

stopped
and

brake

fully

applied
ob

serve
the
rate

of

drop
in
air

pressure

registered
by
vacuum

gauge
If

vacuum

Probable
cause

Air

leakage
at
check
valve

2

Damaged
diaphragm

3
Reaction

disc

dropped
off

4

Air

leakage
at

poppet
assembly
seat

and
valve

body

Inspec
tinK
chec
k
valve

Remove

clip
and
disconnect
hoses
Brake

System

2
Start

engine
end
merease

engine

speed
Stop

engine
when

vacuum

gauge
indicates
500

mmHg
l9
69

inHg

Air

tiKht
test

No
load

Fifteen
seconds
after

engine
is

stopped
observe
the
rate

of

drop
in
air

pressure
registered
by
vacuum

gauge

If
vacuum

pressure
drop
below
the

specified
value
refer
to

the

following

chart
to
determine
the

cause
of

failure

Maximum
vacuum

leakage

25

mmHg
0
98

inHgl

Corrective
action

Replace
check
valve

Replace
brake
booster
as
an

assembly

Repair
or

replace

pressure
drops
below
the

specified

value
refer
to
the

following
chart

to
determine
the
cause
of
failure

Maximum

vacuum

leakage

25
mmHg
0
98

inHgl

Corrective
action

Replace
check
valve

Replace
brake
booster
as
an

assembly

at
connections
The
check
valve
can

now
be
removed

BR
12
JQeL

i
l
f

BR119A

Fis
BR
27
Location

of
Check
Valllt

2

Using
a
brake

booster
testel

apply
a
vacuum

pressure
of
500

mmHg

19
69

inHg
to
the

port
of
check

valve
on
the
brake
booster
side
If

vacuum

pressure
drops
below
the

specified
value
in
15

seconds

replace

check
valve
with
a
new
one

Maximum

vacuum

leakage

01
eheck
valn

10

mmHg
0
39

inHgl

3
When

pressure
is

applied
to
the

b

rake
booster
side
of
check
valve
and

valve
does
not

open
replace
check

valve
with
a

new
one

I

0

tLLiJ

Manifold
side
Brake
booster
side

1

Spring

2

Valve
BR963

Fig
BR
28

Check
Value

4
When

installing
check

valve
be

careful
to
avoid

incorrect
connectiolU

See

Fig
DR
28

Operetlns
test

1
Connect

an
oil

pressure
gauge
to

brake

ine
at
connection

on
master

cylinder

2
Install

a

pedal
force

gauge
on

brake

pedal

3
Start

engine
end

increase

engine

speed
until
a
vacuum

pressure
of

500

mmHg

19
69

inHg
is

registered
on

vacuum

pressure
gauge
With

a

steady

vacuum

pressure
of
500

mmHg
19
69

inHg
measure
oil

pressure
with
res

pect
to
each

pedal

operating
force

Relationship
between
oil

pressure

and

pedal
operating
force
is

illustrated

in

Fig
BR

29
If
test

results
are
not

as

specified
in

Fig
BR

29
check
brake

booster
for
condition
in
manner
des

cribed
under

Inspection
before
re

moval
of

this
unit

REMOVAL
M60

120
1
710

AA
I
1

1

110
1
560
1
v

e
100

1
420
I

90
1

280
I
1

1

80
1
140
I
Z

I
t

70
1

000
i

60
850

I

o
50
710
d

40
570

g
i

gl

j
ll
10

140

J
0

1
0

2
0

221
441

Rod

operating
force

kg
lb
Brake

System

Also

check
brake
line
for

evidence

of
fluid

leakage

Note

Detennine
whether
source
of

problem
is
in
brake
booster
or

check
valve
Before

you
reach

a

fmal
conclusion

always

inspect

check
valve
first

o
10
20

30
40
50

22
44

66
88
110

Pedal

operating
force

kg
lb

BA121A

Fig
BR
29

Performance

Diagram
of
Brake
Booster

Remo

parts
in

numerical
order

enumerated

BR593
ti

J

Fig
BR
30
Procedures

for
Removing

Brake
Booster

ADJUSTMENT

I

Adjust
the

length
of

push
rod
to

the

value
indicated
below

Length
ad
justment
of

push
rod
is

made
at
the

tip

of

push
rod

Length
A

9
75
to
10
00
mm

0
3839

to
0
3937
in

j
f

Irl

I

l
if

L
J

BA290

Fig
BR
31

Length
A

BR
13
BR288

Fig
BR
32

Adjusting
Push
Rod

Length

2

Install

clevis

Adjust
length
of

operating
rod
to

specified
value

length
B

135
mm
5
31
in

c
f

lIJ
t

t

B

BR947

Fig
BR
33

Length
B

INSTALLATION

Install

in
the

reverse

sequence
of

removaJ

IiJ
Tightening

torque

Master

cylinder
to
brake
booster

0
8
to

1
1

kg
m

5
8

to
8
0
ft
Ib

Brake
booster
to

body

0
8

to
1
1

kg
m

5
8

to
8

0
ft

lbl

Note

After
brake
boOster
is

properly

installed
in

car
conduct
an
air

tight

and

op
rational
tests
as

previously

described

Brake

System

INSPECTION

AND
ADJ
USTMENT

BRAKE
PEDAL

Free

height
h
mm
in
143
to

149

5

63
to
5

87

Free

play
at

pedal
pad
a
mm
in
I
to
5

0
04
to

0
20

Full
stroke

at

pedal
pad
s

With
brake
booster
mm
in
140
5
51

Depressed
height
d

mm
in

more
than

70
2
76

HAND
BRAKE

Pulling
force

Stroke
kg
lb

mm
in

Number

of
notches

MASTER

CYLINDER

Allowable
clearance
between

cylinder
and

piston

mm
in

BRAKE

BOOSTER

Maximum
vacuum

leakage
15

seconds
after

engine
is

stopped

mmHg
inHg

mm
in

mm
in
Push
rod

length
A

Operating
rod

length
8

I

c

tY

1I1

fF

I

BA290
d

IF

CHECK

VALVE

Maximum
vacuum

leakage
15

seconds
after
500

mmHg

19
69

inHg
pressure
is

applied
mmHg
inHg

BR

17
h

d
1

II

II

d
h

Free

play

V
Free

height

Depressed
height
aR002A

Full
stroke

20
44

93

to
106

3
66

to
4
17

7

to
8

less
than
0
15
0

0059

25

0
98

975
to
10
00
0
3839
to

0
3937

135
5
31

1

B

BR947

10

0
39

FRONT

DISC
BRAKE

Pad

wear
limit

Minim
urn
thickness

Rotor

repair
limit

Runout

Parallelism

Thickness

DRUM
BRAKE

Lining
wear
limit

Minimum
thickness

Drum

repair
limit

Maximum
inner

diameter

Initial

stage
203
2

nun
8
in

Out
of
roundness

Radial
cunout

Taper

Wheel

cylinder

repair
limit

Piston
to
cylinder
clearance

TIGHTENING

TORQUE

Master

cylinder
to
brake
booster

Brake
booster
to

body

Brake

tube
flare
nut

Brake

hose
connector

Air
bleeder
valve

3

way
connector

mounting
bolt

Brake

warning
lamp
switch
lock
nut

Caliper
fixing
bolt

Rotor

fixing
bolt

Rear
brake
wheel

cylinder

mounting

bolts

Front
brake
baffle

plate
fixing
bolts

Rear
brake
disc

fixing
bolts

BRAKE
BOOSTER

Brake
booster
to

body

Operating
rod

lock
nut

Flange
io

shell
cover

Push
rod

adjusting
nut
nun
in

nun
in

nun
in

mm
in

nun
in

nun
in

mm
in

nun
in

mm
in

nun
in

kg
m

ft
lb

kg
m
ft
lb

kg
m
ft
Ib

kg
m

ft
lb

kg
m

ft
Ib

kg
m
ft
lb

kg
m
ft

Ib

kg
m
ft
lb

kg
m
ft

Ib

kg
m
ft

lb

kg
m

ft
Ib

kg
m
ft
Ib

kg
m
ft

lb

kg
m
ft
lb

kg
m

ft
lb

kg
m
ft
lb
Brake

System

BR

1B
1
6
0

063

less

than
0
12

0
0047

less
than

0
03
0
0012

more
than
8
4

0
331

1
5

0
059

204
5
8

05

less
than
0
02
0
0008

less
than
0
1
0
004

less
than

0
02
0
0008

less
than
0
15
0
0059

0
8

to
1
1
5
8
to
8

0

0
8

to
1
1
5
8
to
8
0

1
5

to
1
8
II

to
13

1
7
to

2
0

12
to
14

0
7

to
0
9
5
1

to
6
5

0

8
to

1
1
5
8
to
8
0

l
2
to
1
5
9

to
II

7
3

to
9

9
53
to
72

3
9

to
5
3

28
to

38

0
6

to
0
8
4
3
to
5
8

0
34

to
0
44
2
5

to
3
2

2
2
to
2
7

16
to

20

0
8
to

1
1
5
8
to
8

0

1
6
to
2
2

12
to

16

0
8

to
1
1
5
8
to
8

0

1
6
to
2
2
12

to
16

Inspection

I
When

steering
wheel
can
not
be

rotated

smoothly
but

steering
gear

steering
linkage
and

suspension
system

are
normal
check
the

steering
system

for
the

following
matters

and

replace

faulty
parts

I
Check
column

bearings
for
dam

age
or
unevenness
If
so
lubricate
with

recommended
multi

purpose
grease
or

replace
with
a
new
one
as

steering

column
assembly

2
Check

jacket
tube
for
deforma

tion
or

breakage
and

replace
if
neces

sary

3
Check
column

spring
and
re

place
if

damaged
or

weakened

2
When
the

car
comes
into

light

collision
check

the
following
parts

and
replace
if

necessary

I
Jacket
tube

Measure
dimension
A
between

column

clamp
and

top
end
of
lower

jacket
tube

When

jacket
tube
is
crushed
dimen

sion
A
is
reduced

Column

length
A

191
mm
7
52
in

1
Jacket
tube

2
Column
clamp
ST669

Fig
ST
l1
Standard
Dimension
on

Collapsible
Column

2
Column

clamp

Measure
dimension
0
as
shown
in

Fig
ST
12

When

jacket
tube
is
crushed
dimen

sion
0
is

increased

Length
1J

Column
bracket

o

mm
0
in
Steering
System

r

1

Steering
wheel

side

1
Column

clamp

2
Block

ST679

Fig
ST

12
Standard
Dimension
B

3

Steering
wheel

Check

steering
wheel
for
axial

play

When

steering

jacket
shaft
is

crush

ed
axial

play
exists

j

Axial

direction

ST194

Fig
ST
13
mpecting
Steering
Wheel

for
Axial

Play

4
Sector
shaft

When

collision
occurs
abnormal

strength
is

applied
to

gear
arm
As
a

result
of
this
serration
of
sector
shaft

is

apt
to

be
distorted

1

Serration
of
sector

shaft

2
Gear
arm
ST195

Fig
ST

14
mpeeting
Serration

of

Sector
S

IuJft
for

Deformation

STEERING
GEAR

RB4SL

Removal

I

Remove
clutch

operating

cylinder

manual
transmission

equipped
models

only

Note

Do
not
remove
clutch
hose

from

8
cylinder

2
Remove
nuts

securing
front
tube

to
exhaust
manifold

ST
5
3
Remove
bolt

securing
V
bolt

housing
clamp
to

gusset
catalytic
con

verter

equipped
models

only

STa6l

Fig
ST
5
Clutch

Operating
Cylinder

and
Front
Tube

4

Remove
bolt

securing
front
tube

to
exhaust

mounting
bracket

1

Q
I

II
@

J
111111

ST862

Fig
ST

16
Exhau
t
Mounting
Bracktt

5

Remove
front
tube
from
exhaust

manifold

Note
Do

not
remove
front
exhaust

tube

assembly
from

catalytic
con

verter
or
muffler

assembly
Refer

to
Section
FE

ST863

Fig
ST
7
Removal

of
Front
Tube