1973 DATSUN B110 brake rotor

c

Inspection
and

adJu
Stmenf
trouble
first
check

the

linhge
f
no

1
i

jI
fect

is
found
in
the
lin1

age
check

of

manu
a
l

liiiJ
i

the
inhibitor
switch

Th

d
1F

aI
S
t
th
I
I
f
e

a

JU
i

J
u

epara
e
e

range
se
eet

ever
rom

Iy

important
ii
s3

ns
etion
of
oil
the
lower
shift

rod
and
turn
the

range

1

level
for
the
automatiC

tran
smission
select
lever
to
N

Therefore

great
care
should

be
exer

Note

In
the

position
N

the
slot
of

cised
because
defective

adjustment
will

the
manual
shaft
is

vertical

result
in

the
breakdown
of
the

trans

By
the
use
of
the
tester
check

the

two
bIack

yellow
BY
wires

from
the

inhibitor
switch
in
the

ranges
N

and

P

and
the

two
red
bIack

RB
wires

in
the

range
R
for

continuity
Turn

range
select
lever
to
both

directions

from
each
lever
set

position
and
check

each

continuity

range
It
is

normal
if

the

electricity
is
on
while
the

lever
is

within

an

angle
of

about
3
0

on

both

sides
from
each

lever
set
line
How

ever
if
its

continuity
range
is
obvi

ously
unequal
on
both

sides
the

adjustment
is

required

f

any
malfunction
is

found
un

screw
the

fastening
nut
of
the

range

selector
lever

and
two

fastening
bolts

of

the
switch

body
and
then
remove

the
machine
screw

under
the
switch

body
Adjust
the
manual
shaft
correct

ly
to
the

position
N

by
means
of

the
selector
lever

When
the
slot
of

the
shaft

becomes
vertical
the
detent

works
to

position
the
shaft

correctly

with

a
click
sound

Move
the

switch

slightly
aside
so

that
the
screw
hole
will
be

aligned

with
the

pin
hole
of
the
internal
rotor

combined
with
the

manual
shaft
and

check
their

alignment
by
inserting
a

1
5

0101
0
0591
in
diameter

pin
into

the
holes
If

the

alignment
is

made

correct
1
5ten
the
switch

body
with

the

bolts

pull
out
the

pin
and

tighten

up
the
screw

again
into
the
hole
and

fasten
the
selector
lever
as
before

Check
over

again
the

continuity
with

the

tester
If
the
malfunction
still

remains

replace
the
inhibitor
switch
mission

Inspection

Pull
the
selector
lever

toward

you

and
turn
it

so
far
as
p

to
1

range

where
clicks
will
be
felt

by
hand
This

is

the
detent
of
manual
valve
in
the

body
and
indicates
the
correct

posi

tion

of
the

lever

Inspect
whether
the

pointer
of

selector
dial

corresponds
to
this

point

and
also
whether
the
lever

comes
in

alignment
with
the

stepping
of

posi

tion

plate
when
it
is

released

Adjustment

This

procedure
can

be
accom

plished
by
referring
to
Removal
and

nstallation

Checking
and

adjusting

inhibitor
switch

The
inhibitor
switch
serves

to
light

the

reverse

lamp
in
the

range
R
of

the
transmission

operation
and
also
to

rotate
the

starter
motor
in
the

ranges

N
and
P

j

r@
I

If

r
f
B

@
I

Jt
@
@

c
v@

i

r
fji

AT109

1
Inhibitor

switch

2
Manual

shaft

3
Washer

4

Nut

5

Manual

plate

Fig
AT
II
0
Con
truction

of
inhibitor

witch
6
Washer

7

Nut

8
Inhibitor
switch

9

Range
select
lever

Check
whether
the

reverse
lamp

and
the
starter
motor

operate
normal

ly
in

these

ranges
If
there
is

any
t

ki

A

mm
ATIC
TRANSMISSION

STALL
TEST

The

purpose
of
this
test
is
to
check

the
transmission

and

engine
for

trou

ble

by
measuring
the
maximwn

num

bers
of
revolutions
of
the

engine
while

vehicle
is
held
in
a
stalled
condition

and
the
carburetor
is
in
full

throttle

operation
with

the
selector
lever
in

AT
51
rang
s
D
2

and
I

respectively

and

by
com

pairing
the
measured

re

sults

with
the

standard
values

Standard
stall
revolution

1
750
to
2
000

rpm

Components
to
be
tested
and
test
items

1

Clutches
brake

and
band

in

trans

mission

for

slipping

2

Torque
converter

for
function

3

Engine
for
overall

property

Stall
test

procedures

Before

testing
check
the

enigne
oil

and

torque
converter
oil

warm

up
the

engine

cooling
water
to
the

suitable

temperature
by

warming
up

ope
ration

at

1
200

rpm
with
the

selector
lever
in

the

range
P

for
several
minutes

and

warm

up
the

torque
converter
oil

to

the

suitable

temperature
60
to
IOOoC

140
to
2120F

1
Mount
the

engine
tachometer
at
a

location
that
allows

good
visibility

from

the
driver

s
seat
and

put
a
mark

on

specified
revolutions

on
the
meter

2
Secure
the

front
and
rear
wheels

completely
with
chocks
and

apply
the

hand
brake
Be

sure
to

depress
the

brake

pedal
firmly
with
the
left
foot

before

depressing
down
the
accelerator

pedal

3
Throw
the

selector
lever
into
the

range
D

4

Slowly
depress
the

accelerator

pedal
down
till
the

throttle
valve
is

fully
opened
Quickly
read
and
record

the

engine
revolution
when
the

engine

begins
to
rotate

steadily
and

then

release
the
accelerator

pedal

5
Turn
the

selector
lever
into
N

and

operate
the

enigne
at

approxi

mately
1

200

rpm
for
more
than
one

minute

to
cool
down
the

torque
con

verter
oil
and
coolant

6
Make
similar
stall
tests
in
the

ranges
2
I

and
R

Note

The
stall
test

operation
as

spec

ified
in

the
item
4
should
be

made
within
five
seconds
If
it

takes
too

long
the
oil
deterio

rates
and
the

clutches
brake

CHASSIS

Tightening

torque
of

front

suspension
cross
member

and

body
is
3
2
to
4
0

kg
m
23

1
to
28

9
ft

Ib

5

Tightening
torque
of
bolt

used
to

secure
the

upper

portion
of
the
strut

assembly
on
the

body
is
1
6
to
2
1

kg
m
11
6
to
15
2ft

lb

FRONT
AXLE

Removal

I

Jack

up
the
vehicle
remove
the
wheel
and

discon

nect
the
brake
hose
at

the
strut
outer

casing
bracket

unit

For
details
see
Removal
of
front
axle
and

suspension

assembly

2
Remove
the
brake

caliper
installation
bolts
and

remove
the

caliper
assembly
Disc

type
brake

3

Remove
the
brake
druOL

Drum

type
brake

4
Remove
the
hub

cap
with
a
flal

headed
screwdriver

or
other

proper
tool
and
hammer
Be

sure
to

tap
lightly

5

Remove
cotter

pin
from

the
wheel

bearing
lock
nut

and
remove

the
lock
nut

6

With

the
wheel

bearing
washer

and
wheel

bearing

installed
on

the
wheel
hub

remove
the

wheel
hub
from

the

spindle

In
the

case
of
a
disc

type
brake
the

wheel
hub

may
be

removed

with
the
disc
rotor
installed

on
the
wheel

hub

Fig
FA
17

Removing
wheel
hub
7
Remove

the
return

spring
and
brake
shoes
remove

brake
disc

assembly
installation
bolts

and
remove
the

brake
disc

assembly
from
the

spindle
Drum

type
brake

Fig
FA
IS

Removing
brake
disc
a
ssembly

8

Remove
baffle

plate
set
screws
and
remove

the

baffle

plate
Disc

type
brake

Fig
FA
19

Removingbaffleplate

9

Utilizing
two

grooves
inside
the
wheel
hub

tap
and

remove

the
wheel

bearing
outer
race
from
the
hub

Fig
FA
20

Removing
wheel

bearing
outer
race

FA
6

FRONT
AXLE
FRONT
SUSPENSION

10
Remove

four
brake
disc

fitting
bolts
and

remove

the
brake

disc
rotor
from
the
wheel
hub

assembly
Disc

type
b
rake
Inspection

1
Grease

seal

I

ycQ

r

A
1
r

j

t

I
I

i
I
When

grease
leakage
is
delected

during

disassembly

replace

2

Replace
the

grease
seal
with
a
new
one
if

worn
or

cracked

Fig
FA
21

Removing
brake
disc
rotor
2
Wheel

bearing

Remove
used

grease
from
the
wheel

bearing
with

solvent
and

inspect
the

bearing
for

operating
condition

from
the

rotation

operating
sound
and

appearance
The

outer

race

may
be
checked

for
the
condition
of

rolling

surface
with
the

race
installed
on
the
wheel
hub

Visual

serviceability
judgement
standard
for
the

wheel

bearing
is
indicated

in
the

following
table

Visual

Serviceability
Judg
ment
Standard
for
Wheel

Bearing

INNER
RACE
SURFACE

OUTER
RACE
FITTED

SURFACE

COLLAR

SURFACE

OUTER
RACE

SURFACE

INNER

RACE
FITTED

ROLLER
ROLLING

SURFACE

SURFACE

SMALL

COLLAR
INNER

RACE

LARGE
COLLAR

ROLLER

SUPPORTER

OUTER
RACE

FA
7

CHASSIS

Strut

assembly

Strut
outer

diameter

Piston
rod
diameter
mmlin

nml
in
45
17

7

18
0
709

15
0
984
Piston
diameter

mmlin

Damping
force
at

piston
speed
0
3
m
sec

Expansion

kg
Ib

Compression
kg
lb
48
106

22
48
5

Piston
rod

Bend

limit

Wear
limit
mm
in

0
1
0

0039

mm
in

0
025
0
0010

Piston

cylinder

Bend
limit

Wear
limit

inside
mm
in

mm
in
0
2
0

0079

0
1
0
0039

17
0

669
Stabilizer
bar
diameter

mm
in

Front
wheel

bearing
rotation

starting

torque

kg
cm
in
lb

Ball

joint
shaking
torque
kg
cm
in
lb

Ball

joint
end

play

axial

direction
mm
in
9
0
7

8

35
to
60
30
4
to
52
1

0
3
to
1
0
0
0118

to
0

0394

TIGHTENING

TORQUE

Front
axle

Brake

disc
rotor
and

hub

assembly

tightening
torque

Wheel

bearing
lock

nut

Disc
brake

caliper
fixing
bolt

Buffle

plate
installation
screw

Brake

disc

assembly
installation
bolt
kg
m
ft
lb

4
4

to
5
9
31

8

to
42
7

2
2
to

2
4

15
9
to
174

4
6

to
6
1

33
3
to
44
1

0
3
to
0
4

2
1
to
2
9

2
7

to
3
7

19
5
to
26
8

Strut

assembly

Gland

packing
tightening
torque

Piston
rod

self

locking
nut

Upper
support
nut
8
0

to
11

0
57

8
to
79
5

3
6

to
4
5

26
0

to
32
5

1

6
to
2
1

I
1
6
to
15
2

Transverse
link

and
ball

joint

Bolts
used
to
install
the

knuckle
arm

to
strut

Ball

joint
castle
nut

Bolts
used
to

install
the
transverse
link
to

ball
4
6
to

6
1
33
3
to

44
1

5
5
to
7
4
39
8

to
53
5

FA
24

BRAKE

CYLINDER
SIDE

PISTON
SIDE

COMPR
ESSION

DECOMPRESSION

Movement

exceeding
the

elastic

displacement
is

released
with

slipping
on

the
seal
surface
Returns
in
elastic

displacement
of

the

seal

Fig
BR
21
Piston

seal
automatic

adjusting
operation

Brake

pad

Replacement

1
Jack

up
front
unit
of

the
vehicle
and
remove
lhe

front

wheeL

2
Remove

clip
from
the

retaining
pin
and

supporting

the
brake

pad
remove
the

retaining
pin
and
coil

spring

I

I
Brake

pad

2

Retaining
pin

I
31
Clip

Fig
BR
22

Removing
retaining
pin

3
Unhook

the

hanger
spring
and
withdraw
the
brake

pad
and
shim
with
a

pair
of

pliers

BR
ll
Fig
HR
2

Withdrawing
brake

pad
and
shim

Note
When
the
brake

pad
is
removed
do
not

depress
the

brake

pedal
or
otherwise
the

piston
will
come
out

Inspection

Clearance
between
the

brake

pad
and
rotor
is

adjusted

automatically
Check
the
brake

pad
for
wear

after
the

first
10
000
km
6
000

miles

driving
and

every
5
000

km
3
000

miles
thereafter

1

Clean
the
brake

pad
with
carbon
tetrachloride
or

gasoline

2
When
oil
and
or

grease
is

heavily
sticked
on
the

pad

or
when
deteriorated
or
deformed
due
to

overheating

replace
the

pad
with

a
new
one

3
When
thickness
of
the

friction
material

pad
is
less

than
1
6
mm
0
0630
in

replace

Replace
when
total

pad
thickness
is

less
than
6
1
mm

0
2402
in

Note
Replace

pads
as
a
set

Replacement
at

only
one

position

may
cause
uneven
brake
effect
It
is

recommended
that
rotation
of

pads
be
made

periodically

4
Check
the
rotor
Refer
to
Rotor

inspection

Reinstallation

1
Clean
the

calipers
and

piston
pad
installing
parts

Note
Do
not
use
mineral
oil
Be
careful
not
to

apply
oil

on
the
rotor

2

Depress
the

piston
into
the

cylinder
so
that
new

pad

can
be
installed

CHASSIS

Fig
BR
24

Depression
piston
A

and
B
into

cylinder

Nota
a
Nota
that
brake
fluid

may
overflow
from
the

reservoir
It
is
recommeooed
that

operation
be

carried
out

by

loosening
the
breather
to
release

brake
fluid

b
The

piston
can
be

easily
pushed
in

by
hand
But

if

pushed

excessively
the

groove
of

piston
goes

inside
of
seal
as
shown
in

Figure
BR
25
and
the

seal
will
be

damaged
When
the

piston
is

pushed

excessively
into
the

cylinder
remove
the
brake

assembly
disassemble
it

push
out
the

piston
to
the

arrow
direction
as
shown
in

Figure
BR
25
and

reassemble

r
w

i

@

I

I

I

I
i

I

I

I

1

I
1

1
Piston

ieat

1
2

I
Normal

position
I

Fig
BR
25
Piston

pushing
in

position

3

Install

pad
and
anti

squeal
shim
assemble

the

anti

squeal

spring
and

retaining

pin
and

secure
them

with

clip
ARROW

MARK

Fig
BR
26
Arrow
mark
on
shim

I

Install
the
shim

so
that
the
arrow

mark

points
the

rotor
forward

rotating
direction

2

Apply
the
coil

spring
to

the

retaining

pin
which
is

distanced

from
the
air

bleeder

4

When
the

pad
is

installed

depress
the
brake

pedal

several
times

so
as
to
settle
down
the

pad
in
the

position

Caliper

assembly

Removal

L

Remove
the
brake

pad
Refer
to
Pad
re

placement

2

Disconnect
the
brake

tube
from
the
wheel

cylinder

3

Remove

the
strut

assembly
and

knuckie
arm
instal

lation
bolt

so
as
to

ease
removal
of

the

caliper

assembly

installation
bolt

BR
12

CHASSIS

Note
When

cleaning
rubber

parts
use
alcohol

or
brake

fluid
If
rubber

parts
are
cleaned
with
mineral
oil

they
will
be
deteriorated

1

Calipers

If
the

cylinder
wall

is

damaged
or
worn

replace
If
the

cylinder
wall
is
rusted
or

foreign
matters
are
accumu

lated
on

the

cylinder
wall

carefully
polish
with
fine

emery

paper
so
that

the

cylinder
wall
is
not

damaged

If
rusted
or

roughened
excessively

replace

2

Pad

See

paragraph

covering
replacement
of

pad

3
Piston

Replace
if

unevenly
worn

damaged
and
or

rusted

Note
The

piston

sliding
surface
is

plated
Thus

do
not

use

emery
paper
although
rusted
or

foreign

matters
are
Slicked
on
the

sliding
surface

4

Seals

Primarily
replace
both

piston
and
dust

seals
whenever

overhauling

Note
The

piston
seal
affects

not

only

leaking
but
also

piston
return
For

this
reason

replace
the

piston

seal

even
if

the

damage
is
minor

S
Rotor

Check
the
rotor
and
if
it

shows
score

excessively
out

of
round

and
so
forth

reconditioning
by

machining
is

required
If

any
abnormal
conditions
such
as

crack

distortion

and
excessive

deflection

replace
the

rotor

Standard
rotor
thickness

9
5
mm
0
3740
in

Limit
of

reconditionillg
rotor
in
thkkn

8
4

mm
0
3307
in

Deflection
of
the
rotor

Below
0
03

mm
0
0012

in
I

I

I

I

ri

U

h

J
r

Fig
BR
1

Measuring
deflection
of
disc

Reassembly

Apply
the
rubber

grease
to

cylinder
bore
and
install

the

piston
seal

2

Insert

the
bias

ring
to

piston
A

so
that
the

roundish

portion
of

bias

ring
comes
to
the

bottom
of

piston

1

ilY
f@

I
I

C

I
1

n
tL

c

ffi

1
1
fJ

u

IZ

@

I
I
Yoke

Chamfer

13
PistonA

I
4
Roundish

portion

Fig
BR
32

Installing
bias

ring
into

piston
A

Note
Be
careful
not

to
confuse
the

piston
A
with
B

BR
14

CHASSIS

4

With
the

hand
brake
lever

pulled
depress
the

push
button
and
make
sure
that
the

pawl
disengages
the

teeth
when
the

push
button
is

depressed
5

to
6
mm

0

1969
to
0

2362
in

completely

5

Make
sure
that
the
cable
dust
cover
is
not

damaged

or

warped

Reinstallation

Reinstall
the
hand
brake
in

reverse

sequence
of

removal

noting
the

following
matters

Be

careful
not
to

damage
or
twist

the
dust

cover

2

Tighten
the

hanger
strap
and
the

cable

connecting

nut
to

0
8
to
1
0

kg
m

5
8
to
7
2
ft
1b

3
When

adjusting
rear
brake
shoe

clearance
be
sure
to

loosen

the
inner
cable

sufficiently

4

Grease
the

sliding

parts
with
multi

purpose
grease

MIL
G
2108
or

G
10924

AD
JUSTMENT

Brake
shoe
clearance

Front
drum
brake

Jack

up
the
vehicle
and

remove
the
wheeL

2
With
the

brake
drum
installed

tighten
the

cam

adjusting
stud
clockwise

up
to
such
an
extent
that
the

brake
shoe
comes
into

contact
with
the
brake
drum

by

applying
your
hand

and
tool
from
reverse
side
of

the

brake
disc

Fig
BR
50

Adjusting
front
brake
shoe

clearance
Turn
the
cam

adjusting
5
ud

counterclockwise

up
to

such
an
extent
that
the
brake
shoe
is

separated
slightly

from
the
brake
drum

4
Turn
the
brake
drum

and
if

the
brake

shoe

interferes
the
brake
drum

readjust
the
clearance
In

addition

depress
the

brake

pedal
and
make
sure
that

the

brake

operates
effectively
and

correctly

Front

disc
brake

Ordinarily
adjustment
is
not

required
because
clear

ance
between

pad
and
rotor
is

adjusted
automatically

by
elasticity
of
the

piston
seal

Rear

brake

Jack

up
the
vehicle
and
remove
the
wheeL

2

Appiying
your
hand
and
tool
from
reverse
side
of

the

brake
disc

tighten
the

brake

adjuster
wedge

clockwise

up
to

such
an
extent
that
the
brake
shoe

comes
into

contact
with
the

brake
drum

Fig
BR
51

Adjusting
rear
brake
shoe
clearance

3
Return
the

adjuster
wedge
properly
so
that
the

brake
shoe
is

separated
from
the
brake
drum

slightly

4
Turn
the

brake
drum
and
if

the
brake
shoe

interferes
the

brake
drum

readjust
In
addition
de

press
the
brake

pedal
and
make
sure
that
the
brake

operates
effectively
and

correctly

BR
20