1973 DATSUN B110 Service Repair Manual

CHASSIS

for
wear
cra
ks

straightness
and

damaged
thread
s
If

defective

parts
are
found

replace
with
new
ones

4

Inspect
all
rubber

pans
for
wear

damage

separation

and
deformation

Replace
them

if

necessary

Installation

Install
the
rear

spring
in
reverse

sequence
of
removal

noting
the

following
matters

Coat
the

front
bracket

pin
front
bracket

bushing

shackle

pin
and
shackle

bushing
with
a

soap
solution

prior

to

assembly

2

The
front

pin
securing
nut
and
shock
absorber
lower

end

securing
nut

should
be

tightened
with
the
vehicle

unladen

Note
Make
sure

that
the

flange
of
the
shackle

bushing
is

clamped
evenly
on

both
sides

REAR
SHOCK
ABSORBER

Replacement

lack

up
the

center
of
the
rear
axle

and

support
the

axle

housing
with

stands

Fig
RA
14

Removing
the
shock
absorber
ower
end
2
Remove
the

lower
end
of
the
rear
shock

absorber

from
the

spring
seat
See

Figure
RA
14

FiK
RA
15

Removing
shock
absorber

upper
bracket

3
Remove
the
rear

shock
absorber

installing
nut

located
under
the
rear
seat
back

4

Install
rear

shock
absorber
in
reverse

sequence
of

removal

Inspection

Test
the
shock

absorber

and

compare
with
the

specifications

given
in
Service

Data
and

Specifications

Replace
if

necessary

2

Check
for

leakage
cracks
and
the

shafl
for

straightness

3

Inspect
the
rubber

bushings
for

damage
cracks
and

excessive

deformation

Replace
the
defective

parts
jf

necessary

RA
6

REAR
AXLE
REAR
SUSPENSION

SERVICE
DATA
AN

D
SPECIFICATIONS

Shock
absorber

Applied
model
Sedan

Coupe
Van

Stroke

x
max

length
mm
in

167x506
6
57xI9
9

180
x
440
7
09
x
17
3

180
x
468
7
09
x
18
4

Damping
force
at
0

3mjs

Rebound

Compression
kg

Ib

kg
lb
58

128

38
83
8
68

I
50

45
99
2
90
198

45

99
2

Rear

spring

Length
x
widlh

x
thickness

NO

ofleaves
mm

in
6
I

1

llOx50x72
O
6
1

I
ll

x50x7
2
6
3

1
110
x
50

x

13
1

0
24
1

43
7x
1

97x

0
28
2
0
24
2

43
7xI
97x
0

28
1

0
52

1

1

110x50x
6
2
43
7X
1

97
x
0
24

1

7
1
0
28
2

11
1
0
43
1
0
24
1

43
7x
1
97x

0
28
2

Heavy
duty
spring

Camber

Free
mm
in

109
t3
4
29

1
0
1181

11
0
433
109
1
3
4

29
1
0

1181

11

0
433
131
1
5
5

15
tO
1969

11
0
433
Loaded
wi
th

specified
load

mm

in

Specified
load

kg
Ib
In

423
In
423
295
650

Spring
eye
diameter

Front
mm
in
35
1
378
35
1
378

35
1
378

Rear

mm
in
23
0
906
23

0
906
23
0

906

Rear

axle

End

play
mm
in
Less
than
0
1

0
0039

Rear
axle

end
shim
mm
in

0
Q75
0
003

Wheel

bearing
coUar

pressing

force
ton

Ib
3
to
5
6

600
to
11

000

Tightening
torque

Axle
shaft
to

housing

flange
bolt
nuts
kg
m

ft
lb

1

5
to
2

0
10
9
to
14
5

L7
to
2
5

12
3
to
18
1

Differential
carrier

to

housing
bolts

Spring
V

bolts
3

2
to
4
0
23
1
to
28

9

RA

7

CHASSIS

Wheel
nuts
8
0

to
9

0
7

8
to
65
1

Spring
front
bracket
to

body
bolt
nuts

Sedan
and

Coupe

Van
6

to
0
1
6
to
14
5

6
to
I

11
6
to
15

2

Spring
shackle

pin
nuts
1
6
to
0
11
6
to
14

5

Spring
front

pin
nut

Sedan
and

Coupe

Van
6
to
2
0
1
6
to
14

5

3
2
to

4
0
23
1
to
28

9

Shock
absorber

upper
nuts

Sedan
and
Van

Coupe
3
6
to
4
5

26
0
to

32
5

0
to
1

7
2
to
8
6

Shock
absorber
lower
nuts

Sedan
and
Van

Coupe
3
6
to
4
5

26
0
to

32
5

0
to
I
2
7
2
to
8
6

0
6
to
0

8
4
3
to
5
8

Torque
arrester
to

body
bolts

SERVICE
JOURNAL
OR
BULLETIN
REFERENCE

DATE
JOURNAL
or

BULLETIN
No
PAGE
No

SUBJECT

RA
8

r
jWW

5

jJ
S
L
l

J

J

DATSUN
1200

MODEL
8110

SERIES

I
NISSAN

I

NISSAN
MOTOR
CO
LTD

TOKYO
JAPAN
SECTION

BR

BRAKE

BRAKE

SERVICE

DATA
AND

SPECIFICATIONS

TROUBLE

DIAGNOSES
AND

CORRECTIONS
BR
1

BR
23

BR

24
GI

DESCRIPTION

BRAKE

PEDAL

Removal

Inspection

Reinstallation

TANDEM
MASTER

CYLINDER

Removal

Disassembly

Inspection

Reassembly

Reinstallation

SINGLE
MASTER
CYLINDER

Removal
and

disassembly

Inspection

Reassembly
and
reinstallation

BRAKE
LINE

Removal

Inspection

Reinstallation

Brake
line

pressure
differential

warning
light
switch

FRONT
DRUM
BRAKE

cr

I

1
0

I

I

CD
BRAKE

BRAKE

CONTENTS

BR
2

BR
2

BR
2

BR
2

BR
2

BR
3

BR
3

BR
3

BR
3

BR
4

BR
4

BR
4

BR
5

BR
5

BR
5

BR
5

BR
5

BR
6

BR
6

BR
7

BR
8
Removal

and

disassembly

Inspection

Reassembly
and
reinstallation

FRONT

DISC
BRAKE

Brake

pad

Caliper

assembly

Reassembly

Reinstallation

REAR
BRAKE

Removal

and

disassembly

Inspection

Reassembly
and
reinstallation

HAND

8RAKE

Removal

Inspection

Reinstallation

ADJUSTMENT

Brake
shoe
clearance

Brake

pedal

height

Hand
brake

Bleeding
hydraulic
system

@

7

o

i

1

Brake
hose

2
Brake

master
cylinder

3

3
way
connector

4

Hand
brake
lever
5

Brake
hose

6
3

way
connector

7

Hanger
strap

8
Turn

buckle

Fig
BR

l
Brake

system

BR
BR
8

BR
9

BR
9

BR
lO

BR
Il

BR
12

BR
14

BR
16

BR
16

BR
17

BR
17

BR
18

BR
18

BR

19

BR
19

BR
20

BR

20

BR
20

BR
21

BR
21

BR
22

CHASSIS

DESCRIPTION

The
Datsun
1200

series
new
models

adopt
a

hydraulic

brake

Dis
brake
or
two

leading
shoe

type
drum
brake
is

used
for
the
front

wheels
and

leading
trailing
shoe

type

drum
brake
is
used
for
the

rear
wheels

With

adoption
of
the

disc
brake

safety
at

high
speed

range
driving
is
further

improved

For
the

master

cylinder
either

single
type
or
tandem

type
is
used

There
are
two

types
of
tandem

type
master

cylinder
one
is
for
disc

brake
and
the
other
for
drum

brake
Under
the

standard

specifications
h0wever
the

tandem

type
master

cylinder
is

used
for
disc
brake
and

single
type
is
used
for
drum

brake

The
tandem

master

cylinder
provides
a
dual

brake

system
improving
safety

The
hand
brake
is
of

a
mechanical

type
which
brakes

the
rear

wheels

through
the
control
lever

and
steel
wire

The

control
lever
is
located
between
the
driver
and

assistant
seats
and
can
be

operated
easily

BRAKE
PEDAL

The

steering
colunm
bracket

supports
the
brake

pedaL

The
brake

pedal
is
instaUed
on
the

steering
column

bracket
with
a
fulcrum

pin
The
brake

pedal
arm
and

brake
master
cylinder

push
rod
are

joined
with
a

clevis

pin
The

stop
lamp
switch

opposes
the
brake

pedal
arm

bracket
and

operates
as

the

pedal
arm
moves

t

2

3
Stop
lamp
switch

Brake

pedal
stopper

Brake

pedal
arm
4
Clevis

pin

5
Push
rod

6
Fulcrum

pin

Fig
BR
2
Brake

pedal
installation
Removal

Unhook
the
rerum

spring

Remove
the

spring
pin
from
the
clevis

pin
which
is

used
to
connect
the
master

cylinder
push
rod
to

the
brake

pedal
arm
remove
the

clevis

pin
and

separate
the

push

rod
from
the

pedal
arm

3
Remove
the

fulcrum

pin
which
is
used

to
connect
the

pedal
arm
to
the

bracket
and

separate
the

pedal
arm
from

the
bracket

@

mm
l6
qf

@

@

t

Spring
pin
5
Nut
9
Return

spring

2

Clevis

pin
6

Spring
washer
10
Brake

pedal
arm

3
Washer
7
Nut
It
Brake

master

4

Spring
lasher
8

Fulcrum
shaft

cylinder

Fig
BR
3
Brake

pedal
components

tandem

type
master

cylinder

Inspection

1

Check
sliding
parts
for
wear
and
the

return

spring
for

weakness

2
Check
the
brake

pedal
for
bending

warping
and

crack

3

Check
other

parts
for
serviceabilities

Reinstallation

Reinstall
the
brake

pedal
in
reverse

sequence
of

removal

noting
the
following
matters

1
Grease

sliding

parts
and
retum

spring
hook
with

multipurpose
grease
MIL

G
2108
or
G
10924

2

Tighten
the
fulcrum

pin
installation
nut
to
2

1
to

2
9

kg
m

15
2
to
21
0
ft
lb

BR
2

BRAKE

TANDEM
MASTER
CYLINDER

The

tandem
master

cylinder
allows
either
front
or
rear

brake

displaying
sufficient

braking
effect

although
a

trouble
occurs
in
one
side
of
either

front
or

rear
brake

improving
driving
safety
The

tandem

type
master

cylinder
is
manufactured

by

NABCO
or
TOKlCO
When

disassembling
and

reassem

bling
be

careful
not
to
mix
the
individual
manufacturer
s

parts

t

I

Fig
BR
4
Cross
sectional

view

of
tandem

type

master

cylinder

Removal

L
Remove
the

clevis

pin
and

separale
the

brake

pedal

from
the
master

cylinder
push
rod

2
Disconnect
the
brake
tube
from
the

master
cylinder

3
Remove
the
master

cylinder
installation
bolt

remove

the

master

cylinder
shim

and
remove
the
master

cylinder

assembly
from
the

body

Disassembly

L

Drain
brake

fluid
and

remove
the

stopper
bolt

2

Remove
the
dust
cover

remove
the

snap
ring
and

stopper
ring
and
remove
the

push
rod

assembly

3

Take
out
the

piston
mechanism

components
in

order

of
the

primary
piston
assembly

secondary
piston
assem
bly
and

piston
spring

4
Remove
the
valve

cap
and

remove
the
valve
as

sembly

Note
Disassemble
the
master

cylinder
carefully
so
that

the

sliding
surface
of
the

piston
and

piston

cup
are

not

damaged
Do
not

remove
the
fluid
reservoir

unless

really
necessary
Moreover
do

not
remove

the

piston
cup
unless
the

piston
is

replaced

Inspection

Thoroughly
clean
all

disassembled

parts
check
for

wear

damage
and
other
defective

conditions
and

replace

if

necessary

Note
Do
not
clean
rubber

parts
with
mineral
oil
since

they
are
deteriorated
Use
brake

fluid
or
alcohol

When
aloohol
is
used
however
do

not
immerse

BR
3

CHASSIS

Ii

t

L

1

J

rJ
I

e

i
L
rubber

parts
und
alcohol

long
than
30
seconds

After
the

parts
are
cleaned

dry
them
with
com

pressed
air

Check
the

cylinder
and

piston
for

damage
and

uneven
wear
on
the

sliding
surface
and
for

other
defective

conditions

Replace
as

required

2

Replace
if
the

cylinder
and

piston
clearance
is

more

than
0
15

mm
0

006
in

3
In

principle
replace
the

piston
cup
packing
and

valves

with
new
ones
whenever

the
master

cylinder
is

disassembled
Be

sure
to

replace
if

damaged
worn

weakened

or

expanded

4
Check

the
return

springs
for
wear

damage
and
other

defective
conditions
and

replace
as

required

5

Replace
others
if

deformed

damaged
or
defective

Reassembly

Assemble
the
master

cylinder
in

reverse

sequence
of

SINGLE
MASTER
CYLINDER

s
m

e
disassembly
noting
the

following
matters

Apply
brake

fluid
to
the

component
parts
such
as

cylinder
bore

piston
etc
and

carry
out

the

operations

carefully
so
that

the

component
parts
are
not

damaged
or

no
dust
and
other

foreign
matters
enter
the

cylinder
and

brake
fluid
reselVoir

Moreover
for
rubber

parts
such
as

piston
cup
etc

apply
rubber

grease
slightly

Tightening
torque

Valve

cap

2
5

to
3
5

kg
m

I8
to
25
3

ft
Ib

Bleeder
screw

0
5

kg
m
3
6
ft
lb

Stopper
bolt

0
5
to
0
3

kg
m
l
I
to
2

2ft
lb

Reinstallation

Reinstall
the

master

cylinder
in

reverse

sequence
of

removal
After
air

bleeding
make

sure
that

no
brake
fluid

leaks
from
the
circuit
For
the

pedal
height
adjustment

refer
to
lhe

paragraph
pedal
adjustment

r
11L

y

Fig
BR
5
Cross

sectional
view

of
single
master

cylinder

BR
4