light DATSUN B110 1973 Service User Guide

CHASSIS

Fig
PD
28

Measuring
backlash

7

Existence
of

foreign
matter

between
the

drive

gear

and
differential

case
is

considered
when
backlash

fluctuates

considerably
Measure
drive

gear
back

deflection

8

Check
the

run
out
of

ring
gear
side
is
within
0

05
mm

0

0020
in
total

indicator

reading

ot

Fig
PD
29

Measuring
run
out

of
ring
gear

9
When
run
out
of

ring

gear
is

normal
and

fluctuation

of
backlash
is
considerable

replace
the

gear
set
Before

replacing
the

gear
set
be

sure
to
measure

companion

flange
deflection

Fluctuation
of
backlash

may
be

con

siderable
due

to
deflection

of

pinion
bearing
Limit
of

deflection

A

portioo

B

portion
Less
than
0
05
mm
0

0020
in

Less
than
0

05
mm
0
0020

in

Ct
r

r

f

1

I

f

i
r
I

oj
j

12
r

Fig
PD
30

Measuring
place

10
At
the
same
time
check

bearing
preload
Bearing

preload
should
read
8
to
15

kg
cm

6
95

to
13
03
in

lb
of

rotating
torque
2
3

to
4
3

kg
5
1

to
9
5
1b
at

companion
flange
bolt

hole

If

preload
does
not

accord
with
this

specification

adjust
it

with
side

bearing
shims

II
Check
and

adjust
the
tooth
contact

pattern
of

ring

gear
and
drive

pinion

I

Thoroughly
clean

ring
and
drive

pinion
gear
teeth

2
Paint

ring
gear
teeth

lightly
and

evenly
with
a

mixture
of

powdered
red
lead
and
oil
of
a
suitable

consistency
to

produce
a
contact

pattern

3
Rorate

pinion
through
several

revolutions
in
the

forward

and
reverse
direction
until
a
definite

contact

pattern
is

developed
on

ring
gear

4

When
contact

pattern
is
incorrect

readjust
thickness

of

adjust
shim

Be

sure
to

wipe
out
red
lead

completely
upon

completion
of

adjustment

5

Incorrect
contact

pattern
of
teeth

can
be

adjusted
in

the

following
manner

a

Heel
contact

To

correct
increase
thickness

of
drive

pinion
adjusting

washer
in
order

to

bring
drive

pinion
close
to

ring
gear

PD
14

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

Judgement

Components

Rust

Fig
h

Discoloring
FRONT
AXLE
AND
FRONT
SUSPENSION

x

f
Unserviceable

May
be
used
when
minor

Rust

should
be
removed
with
0

emery

paper

Race

and
roller

00

u

o

o
Ou

u

The
wheel

bearing
is

serviceable
if
discolor

ing
can
be
removed

with
solvent
or

by

polishing

r
c

1
1

Ie

r
r

iJ
a
Inner
race

flaking

d

Cracked
roller

J

I

11

Ji

l
L
i

I

11

J

g
Recess
on
roller
o

0

0

CIl
Cause

Temperature
increase

during
operation
lowers
when
the

bearing

stops
moisture

inside
the

bearing
is

condensed

becoming
fine

drips
and
the

grease
is
moistened

The

bearing
has
been

placed
in
a

highly
moistened

place
for
a

long
period
of
time

Intrusion
of
moisture
chemicals
etc
or
the

bearing
is
touched

with
bare
hand
and
no

rustproof
action
has
been
taken

Slight
discoloring
may
look
like
oxidized

oil
stain

due
to

grease

In

the
most

cases
this
occurs
when

preliminary
pressure
is
too

high

b
Roller

flaking
c

Cracked

inner
race

I

lJ

f

t
j

e

Recess
on
inner
race

f
Recess
on
outer
race

cc

h
Rust

on
outer

race
FADD7

FA
9

CHASSIS

Reinstallation

Reinstall
the

wheel

bearing
in

reverse

sequence
of

removal

2

Install
the

bearing
outer
race

by
the

use
of

a
froot

wheel

bearing
drift

special
tool

ST353
10000

Fig
FA
22

Installing

bearing
outer

race

3
Fill

the
wheel
hub
and

hub

cap
with
multi

purpose

grease
MIL

G2108
or
10924

up
to

the

portion
indicated

by
asterisk
in

Figure
F
A
23

l
I

L

I

I
P

p

r

Fig
FA
23

Greasing

points
of
hub

assembly

4
Fill
the

spaces
between
wheel

bearing
rollers
and

grease
seal

lip
pocket
with

multi

purpose

grease
suf

ficiently

FA

10
Fig
FA
24

Filling
spaces
betweetJ
wheel

bearing
rollers

with

grease

5

Apply
multi

purpose
grease
to
the

spindle
shaft
and

threaded

portions
wheel

bearing
washer
and
wheel

bearing
lock
nut

surfaces

slightly

6
Install
the

wheei

bearing
and

grease
seal

on
the
wheel

hub
and
install

them
on
the

spindle

Note
In

order
to

provide
the

bearing
with
a

proper

prepressure
and
to
extend
the

bearing
service
life

install
the

wheel

bearing
grease
seal
washer
and

lock
nut

carefully
so
that
no
dust
and

foreign

matters
stick

on

grease
applied
to
them

Wheel

bearing

adjustment

I

Tighten
the
wheel

bearing
lock
nut
to
2
2
to
2
4

kg
m

15
9
to

174
ft
lb

tightening
torque

Fig
FA
25

Tightening
wheel

bearing
lock
nut

2

Turn
the
wheel
hub
a
few

turns
both
clockwise
and

counterclockwise
to
settle
down
the

bearing
and

retighten
the

wheel

bearing
lock
nut
to
the
same

tightening

torque

3
Return
the
wheel

bearing
lock
nut
in

range
from
400

to
700
and

coincide
it
with

cotter

pin
hole
on
the

spindle

FRONT
AXLE

FRONT
SUSPENSION

I

f

f

ij

Reassembly
Fig
FA
37

Greasing
strut

mounting
bearing

Be

careful
not
to

drop
or
scratch

part
since
all

parts
are

precision
finished
When

reassembling
thoroughly
clean

all

component
parts
and
make

sure
that
dirt
and

other

foreign
matters
are

completely
removed

During
reassem

bly
do
not

use
cloth

or
gloves

I

Secure
the
strut
attachment

of
strut
Quter

casing
in
a

vise
Strut

attachment

special
tool
ST35650000

2
Insert

the

piston
rod
and

cylinder
assembly
into

the

strut

outer

casing

3

Fill
the

strut
outer

casing
with
correct
amount

of
oil

1

Fig
FA
38

Pouring
shock
absorber
oil

Note
a

Correctly
measure
amount
of

shock
absorber
oil

to
be

poured
because

the
amount

of
oil

directly

affects

damping

power

280
cc
17
1

cu
in
for
AMPCO

ATSUGI
make

265
cc
16
2
cu
in
for
TOKICO
make

b
Use
Nissan

genuine
oil
for
the
shock
absorber

oil

Nisseki
Shock
Absorber
Oil
A
2
for

Atsugi
make

Tokico

light
Oil
No
1
D
S
for

Tokico
make

FA

15
4
Install
a
rubber

O

ring
on

top
of
the

piston
rod

guide

and
install
the

gland

packing
by
the
use
of
a

gland
packing

guide
special
tool
ST35550000

Apply
multi

purpose
grease
MILG
2108
or

10924

lightly
to

the

lip
portion
indicated

by
asterisk
0

in

Figure
F
A40

ST35550000

1

Fig
FA
39

Installing
gland
packing

a
1
c

I

Fig
FA
40
Cross
sectional
view

of
gland
packing

5

Tighten
the

gland
packing
to
8
0

to
11
0

kg
m
57
8

to

79
5
ft
1b

by
the
use
of

a
gland

packing
wrench

special
tool

ST35500000

ST35500000

Fig
FA
41

Tighrening
gland
packing

Vehicle
pulls
to

right
or
left

When

driving
with

hands
off
the

steering

wheel

over
a

flat
road
the
vehicle

gently

swerves
to

right
or

left

Note
A
defective
rear

suspension

may

also
be
the
cause
of
this
trouble

and
therefore

see
also
the

chapter

dealing
with
the
rear

suspension

Instability
of
vehicle

Stiff

steering
wheel

checking
up
procedure

Jack

up
front
wheels

detach
the

steering

gear
and

operate
the

steering
wheel
and

If
it
is

light
check

steering
linkage
and

suspension
groups

If
it
is

heavy
check

steering
gear
and

steering
colunm

groups
CHASSIS

Malfunction
of
shock
absorber
inside
the

strut
or
loose
installation
bolts

Unbalance
of
vehicle

level

Improper
air

pressure
of
tire
or

insuf

ficient

tightening
of

wheel
nuts

Difference
in

height
of

right
and
left
tire

treads

Incorrect

adjustment
or

abrasion
of
front

wheel

bearing

Collapsed
or
twisted
front

spring

Incorrect
wheel

alignment

Incorrect
brake

adjustment
binding

Worn

rubber

bushings
for
transverse
link

and
tension
rod

Deformed

steering
linkage
and

suspension

link

Unbalanced
vehicle

level

Improper
air

pressure
of
tire

Worn

rubber

bushings
for

transverse
link

and
tension

rod

Incorrect
wheel

alignment

Worn
or
deformed

steering
linkage
and

suspension
link

Incorrect

adjustment
of

steering
gear

Deformed
unbalanced
wheel

Improper
air

pressure
of
tire

Insufficient
lubricants
or

mixing
im

purities
in

steering
linkage
or

excessively

worn

steering
linkage

Stiff
or

damaged
suspension
ball

joint
or

lack
of

grease

Worn
or

incorrectly
adjusted
wheel

bearing

Worn

damaged

steering
gear
and

bearing

FA

26
Replace
or

retighten

Correct
the
unbalance

Adjust
or

tighten

Replace
tires

Adjust
or

replace

Replace

Adjust

Adjust

Replace

Replace

Correct
the

unbalance

Adjust

Adjust

Adjust

Replace

Adjust

Correct
or

replace

Adjust

Repl
nish

grease
or

re

place
the

part

Replace

Replace
or

adjust

Replace

REAR
AXLE
REAR

SUSPENSION

REAR
AXLE

CONTENTS

DESCRIPTION

REAR
AXLE
SHAFTS

Removal
RA
1

RA
l

RA
l

8
Inspection

Assembly
RA
3

RA

3

1
Axle
shaft

2

Spacer

3
Wheel

bearing

4

Wheel

bearing
collar

5
Oil
seal

6

Bearing
adjust
shim

7

Axle
case

8
Brake
drum

DESCRIPTION
Fig
RA
l
Sectional
view

of
rear

axle

The
rear
axle

is
of
a

semi

floating

type
The
axle

housing
is
a

press
steel

Banjo
type
housing
It
is

light
in

weight
and
is

sufficiently

strong
to
withstand
all
torsional

and

bending
loads

The

rear
wheel

bearings
are
of

presea1ed
types
There

fore
no

frequent
lubricating
service
is

required
However

when
the
rear

axle
is

disassembled
the
wheel

bearings

should
be

packed
with
an

approved
grease

prior
io
the
reinstallation

being
careful
not
to

damage
the

sealing

rubber

REAR
AXLE
SHAFTS

Removal

Apply
wheel
chocks

on
front
wheels

jack
up
the

rear

of
the
vehicle
and

support
it
on
stands

RA
l

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

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

Tightening
torque

3

way
connector
1
5

to
1
8

kg
m

10
8
to
13
0
ft
lh

1
5
to
1
8

kg
m

10

8
to
13

0
ft

lh

1
5
to
1
8

kg
m

10

8
to
13

0
ft

lb

0

7
to
0
9

kg
m

5
1
to
6
5

ft
1b
Master

cylinder

Brake
hose

Air
bleeder

5

Fill
the

master

cylinder
brake

fluid
reservoir
with

brake
fluid
and

perform
air

bleeding
complele1y

Note
a
Do
not
use

brake
fluid
other
than

specified

b
The

specified
brake
fluid
is
used
for

both

single

and
tandem

type
master

cylinders

6

Upon

completion
of
air

bleeding
make

sure
that
the

brake

operates
correctly
and
check
the
brake
tube
and

hose
connectors
for
fluid

leaking
Fully
depress
the

brake

pedal
continue
to

depress
the
brake

pedal
for
several

seconds
and
make
sure
that
no
brake

fluid
leaks
from

any

part
of
the
brake
line

Replace
defective

part
if

required

Brake
line

pressure
differential

warning

light
switch

A

warning
light
is

located
on
the
instrument

panel
to

warn
the
driver
when

a

pressure
difference
of
13

to
17

kg
cm2
185
to

2421bJsq
in
exists
between
the

front
and

rear
b
rake

systems

A

hydraulically
actuated

warning
light
switch

is
located

in

the

engine
compartment
Both
front
and
rear
brake

systems
are
connected
to
this
switch
assembly

When

a

pressure
difference
of
13

to
17

kgJcm2
185
to

242

lbJsq
in
occurs
between
the
front
and
rear

brake

systems
the
valves

will
shuttle
toward
the
side
with
the

low

pressure
The
valve
contacts
with
the
switch
terminal
BRAKE

the

ground
circuit

for
the

warning
light
is

completed
and

thus
the

warning
light
lights

In
this

case
correct
the

hydraulic
brake

problem
and

bleed
the
brakes

Check
the

warning
light
switch

assembly
for
a

proper

operation
Check
the
switch

assembly
for
fluid

leakage

Note
Do

not

attempt
to

repair
switch
for

any
reason

replace
switch

assembly
completely

1
To
front
brake

L
H

2

From
master

cylinder
F

3
From
master

cylinder
R
4
To
rear
brake
L
B
R
M

5
To
front
brake
R
H

Fig
BR
12

Warning
light
switch

r

I

@

I
I
3

I
Valve

assembly

4

Piston
load

spring
Wire
terminal

Brake
tube

Fig
BR
13
Sectional

view

of

warning
light
switch

BR
7