flat tire DATSUN B110 1973 Service Repair Manual

FRONT
AXLE

FRONT
SUSPENSION

ADJUSTMENT

CONTENTS

ADJUSTMENT
DATA

ADJUSTMENT
OF
WHEEL
ALIGNMENT

ADJUSTMENT
OF
VEHICLE
LEVEL
FA
21

FA
22

FA
22

1

Carry
out

wheel

alignment
on
a
flat
surface
with
tire

air

pressure
adjusted
to
the
normal

pressure

2

Thoroughly
check
all

component
parts
of
the

steering
and

suspension
systems
and

repair
or

replace

AD
JUSTMENT
DATA

I

Wheel

alignment
unladen

Sedan

Coupe

Camber
5
to
2005

Caster
20
to
1050

Toe
in
mm
in
4
to

6

0
16
to
0
24

King
pin
inclination
7055

Steering
angle
In
430

Out
360

Tire
Pressure
Tobe

measured
when
tires
are

cold

kgfcm2
psi

6
00
12
4PR
Front
Rear

For
normal

speed

Under

100
km
h

or
60
MPH

For

high
speed

Over
100
km
h

or
60
MPH

15SSR
12

Option
Front
Rear
1
2
1
2

17
17

1
5
1
5
21
21

I

7
I
7
24
24

Front
Rear

5
00
12
4
6
R
ULT

Unloaded
Option

For
normal

speed

Under
100
km
h
or
60

MPH

For

high
speed

Over
100
km
h
or

60
MPH

Loaded

For
normal

speed

Under
100
km
h

or
60
MPH

FA
21
ADJUSTMENT
OF
TOE
IN

ADJUSTMENT
OF

STEERING
ANGLE
FA
22

FA
22

defective

parts
before

starting
the
wheel

alignment

3
The
camber

and
caster

angles
are

preset
and
cannot

be

adjusted
Adjust
the

toe
in

and
vehicle
level

only

Van

Van

Heavy
duty
spring

45
to
1045
45

to
1045

1005
to

2005
40
to
1040

5
to
7
5
to
7

0
20
to
0

28
0

20
to
0
28

7045
7045

430
430

360
360

1
2

1
2
I
7
I
7

1
5
1
5
21
21

1
2
1
5

17
21

1
5
1
8
21
26

1
2
2
5

17
36

CHASSIS

For

high
speed

Over
100
km
h
or
60
MPH

ADJUSTMENT
OF
WHEEL

ALIGNMENT

Use
a

turning
radius

gauge
and

alignment
gauge
for

the

measurement

2

Carry
out
wheel

alignment
on

a
flat
surface
with
tire

air

pressure
adjusted
to
the

normal

pressure

ADJUSTMENT
OF
VEHICLE

LEVEL

Vehicle
level
is

adjusted
by
changing
springs

ADJUSTMENT
OF
TOE
IN

Measure
toe
in
with
a
toe
in

gauge

2

Loosen
the
nut
indicated

by
arrow
mark

in

Figure

FA
56
and

adjust
the
side
rod

adjusting
bar
so
that

distance
L

between
both
side
side
rod
ball

joint
centers

is
296
8
mm
11
7
in

I
1

I
Locking
nu

t

I
2

I
Side
rod

adjusting
bar

I

Fig
FA
56

Adjusitng
toe
in
1

5
2

8
21
40

ADJUSTMENT
OF

STEERING

ANGLE

1
Place
the

front
wheels
on

turn
table

2
Adjust
both
side

steering
angle
adjusting
bolts

indicated

by
arrow
mark
and
set
them
al

the
rated

steering
angle

Note
8

Make
sure
that
clearance
between
tire
tension

rod
is
30
mm
11
181
in
or
more

b
When
the
clearance
is
less
than
30
mm
1
181

in
inaease
the
clearance

by

extending
the

stopper

bolt

Upon

completion
of
the

adjustment
max

imum

height
of
the

stopper
bolt
should
be
27
5

mm
1
083
in

Fig
FA
57

Steering
angle
adjusting
bolt

FA
22

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

Pedal

yields
under

slight

pressure

Excessive

pedal

travel

All

brakes

drag

One
brake

drags

Unbalanced
brakes
BRAKE

Use
of
a
brake
fluid
with

a

boiling
point

which
is
too
low

Reservoir

filler

cap
ven
t
hole

clogged
This

promotes
a
vacuum
in
master

cylinder
that

sucks
in
air

through
rear
seal

Deteriorated
check
valve

External

leaks

Master

cylinder
leaks

through
primary
cap

System
has

not
been
bled

Improperly
adjusted
clearance

Fluid
level
in

master

cylinder
is
too
low

Thermal

expansion
of
drums
due
to

over

heating

Insufficient
shoe
tlrdrum

clearance

Weak
shoe

return

springs

Brake
shoe

return
no
free

travel

Seized
master

cylinder
piston

Loose
or

damaged
wheel

bearings

Weak
broken
or

unhooked
brake

shoe

return

springs

Insufficient
clearance
between
brake
shoe

and
drum

Grease
or
oil
on

linings

Seized

piston
in
wheel

cylinder

Tires

improperly
inflated

Loose
wheel

bearing

BR
25
Change
with
the

specified
brake

fluid
and

bleed

system

Clean
reservoir
filler

cap
and
bleed
the

system

Fit
a

new
check

valve
and
bleed
the

system

Check
master

cylinder
piping
and

wheel

cylinder
for
leaks
and
make

necessary
re

pairs

Overhaul
master

cylinder

Bleed

the

system

Adjust
shoe

to
drum

clearance

Full

up
with

specified
brake

fluid

Bleed
the

system
if

required

Allow
drums

to
cool
off
Check
brake

shoe

linings
and
drums

Replace
damaged

parts

Adjust
clearance

Replace
the

springs

Adjust
pedal
height

Service
the

master

cylinder
replace
the

piston
and
bleed

the

system

Adjust
or

replace
wheel

bearings

Replace
spring

Adjust
brakes

Clean
brake
mechanism

replace
lining
and

correct
cause
of

grease
or

oil

getting
on

lining

Service
the
wheel

cylinder
and

bleed
the

system

Inflate
tires

to
correct

pressure

Adjust
wheel

bearing

DESCRIPTION

MAINTENANCE

AND
SERVICE

Tire
inflation

Tubeless
tire

repair

Wheel

repair

Wear

DESCRIPTION

TIRE

SIZE
in

Standard

Optional
WHEEL

AND
TIRE

WHEEL
AND
TIRE

CONTENTS

WTl

WT2

WT2

WT2

WT2

WT2
Radial
tire

Tire
rotation

INSPECTION

Wheel
balance

Wheel
and
tire

6
00

12
4PR

Tubeless

6
00
12
4PR

with
tube

6
00
12
4PR

Snow
tire

6

00S
12
4PR

Sports
Tubeless

155SR
12
Radial

with
tube

except
for
Van

use

5
00

12
4PRULT
with

lube
front

for
Van
use

5
00

12
jPRULT
with
tube
rear

TIRE

INFLATION
PRESSURE
To
be

measured
when

tires
are

cold

kg
cm2

psi

6
00
I

2
4PR

Front
Rear

For
normal

speed

Under
100
km
h
or
60

mph

For

high
speed

Over
100

km
h
or
60

mph

155SR
12

Optional

Front

Rear

5
00
I
2

4
6PR
ULT

Optional
Front
Rear
Sedan

Coupe

1
2
1
2

17
17

1
5
1
5

22
22

1

7
1
7
24
24
Van
Van

Heavy

duty
spring

1
2
1

2

I
7
17

1
5
1
5

22
22

WTl
WT
3

WT
4

WT
4

WT
4

WT
4

CHASSIS

Unloaded

For

normal

speed

U

nder
100

km
h
or

60

mph

F
or

high

speed

Over
100

km
h

or

60

mph

Loaded

For
normal

speed

Under
100

kmlh
or

60

mph

For

high
speed

Over
100

kmlh
or

60

mph

MAINTENANCE
AND
SERVICE

Tire
inflation

Correct
tire

pressure
is

very
importan
t
to

ease
of

steering
and

riding
comfort
This
also
reduces

driving

sound

to
a
minimum

resulting
in

longer
tire
that

is

overinfla
lion
or

underinflation

promotes
wear
at
center

tread
or
shoulder

of
tire

If
all
tires
are

inspected
frequently
and
maintained

correct
tire

pressure
it
is

possible
to
detect

sharp
material

in
the
tread

Also
the
above

check
avoids
abnormal
wear

which

invites
serious
trouble

If
tires
indicate
abnormal
or

uneven
wear
the

cause
of
trouble
should
be
detected
and

eliminated

After

inflating
tices

leakage
in
valve

should
be
check

cd
Without

valve

caps
leakage
will

occur
due
to

dirt
and

water

resulting
in

underinOation

Accordingly
whenever

tire

pressure
is

checked
be
sure
to

secure
valve

caps
and

tighten
firmly
by
hand

Tubeless
tire

repair

In
urder

to

inspect
a
leak

apply
soapy
solution
to
tire

or

submerge
tire
and
wheel
in
the
water
after

inflating
tire

to

specified
pressure
Special
inspection
for
leaks
should
12
15
17
22

1
5

1
8

22
25

1
2
2
5

I
7

36

1
5
2
8
22
40

be

carried
out
around

the
valve
wheel
rim
and

along
the

tread
Exercise

care
to
bead
and
rim
where

leakage
occurs

Wipe
out
water

from
area
which
leaks
air
bubbles
and

then
mark
the

place
with
chalk

After

remuving
the

materials
caused

puncture
seal
the

point
to
avoid

damage
to
the

tire
due
to

entrance
of

dirt

and

water
When

repairing
the

puncture
use

the
tire

repair

kits
which
are
furnished

from
tire

dealers

following
the

instructions

provided
with
the
kits
In

case
that
a

puncture
becomes

large
or
there

is

any
other

damage
on

the
tire

fabric

repair
must
be

carried
out

by
authorized

tire

dealers

Wheel

repair

Inspect
wheel
rim

flange
for
bend
or

dents
If

any
of

the
above
deterioration
is
detected

repair
should
be
made

to

secure
complete

sealing
The

flange
should

be
cleaned

by
a
wire
brush
when
rust
is
found
on

the

flange

Furthermore
if

excessive

pitting
occurs
on

the
rim

eliminate
it
with
a
file

Wear

Misalignment

When
the

front
wheels

align
in
excessive
toe

in
or

WT
2

WHEEL
AND
TIRE

toe
out
condition
tires

scrape
the
tread

rubber
off
The

wear

of
tread

appears
feathered

edge

Center

This
wear
is

caused

by
overinllation
of
the

tire
The

inllation

pressure
must
be

kept
within
the

specified
limit

Shoulder

The
wear

may
be

caused

by
underinflation
incorrect

wheel
camber
or
continuous

high

speed
driving
on

curves

n

general
the
former
two

are
common
Because
under

I

I

I
I

1

1111

I

r

r
m

1
J
11

tHlla

tJ
I

1
1
1
I

1
Ull

Toe

in
aT
toe

au
t
wear

l
f

I

II

I

I

I

I

Ill

Ill

Underinflation
wear
I

11
01

DIIII

II
1

11111

NIII

13111
inflation
wear

appears
on

both
sides
of
tread
and
on

the

other
hand

camber
wear

causes

only
one
tread

side
For

cornering
tread
wear
the
driver
must

operate
car

slowing

down
on
curves

Uneven

Uneven

wear
is
caused

by
incorrect
camber

or
caster

malfunctioning
suspension
unbalanced
wheel
out
of

round
brake

drum
or
other

mechanical

conditions
To

repair
this
abnormal
wear

correct
the
above

defective

parts

Ii

I

I

I
I

1

i
f

I

I
I

I

I

III

I
I
11

DlIIn
ilia

pml
H

IlLl

11111

Overinflation
wear

1D1I1
d

II

1I111

II
j

J

1
51

I

I

I

1

il
I

I
II

l
f
I
11
11111

I
IIIII

i
1

iI

1111111

Uneven
wear
f

I

I
u

WT004

Fig
WT
1
Abnonnal

tire
wear

Radial

tire

Tires
of
radial

ply
construction

will
revolve
with
less

camber
thrust
force
and
with

greater

cornering
power
on

turns
This
tends
to
cause
local
or

rapid
wear
on
the

treads

with
excessive

toe
in

Exercise

special
care
for
front

wheel

alignment

during
the
life
of
tires
Note
a
Radial

ply
tires

should
not
be
mixed
with

ordinary
tires

since
their
characteristics
differ
from

those
of

ordinary
tires

b
The
same
brand
radial

ply
tires
should
be

installed
on
all
wheels

c

The
tubes

designed
for
radial
tire
should
be
used

exclusively

d

Snow
chain
should
not
be
fitted
because
of

damaging
side
wall

WT3

CHASSIS

TROUBLE

DIAGNOSES
AND

CORRECTIONS

Condition

Heavy
steering

Loose

steering

PuU
to
one

side

Steering
shock
Probable
cause

Low
tire

pressure

Incorrect

front
wheel

alignment

Lack
of

lubricant

Firm

sticking
of

the
ball

joint
and
strut

bearing

Improper
adjustment
and

damage
of

steering

gear
housing

Hard

locking
of

column

bearing

Incorrect
front

wheel

bearing
adjustment

Loose

steering
linkage
connections

Loose

steering
gear
housing

mounting

Incorrect

adjustment
of

adjust
nut

Incorrect
tire

pressure

Incorrect
front
wheel

alignment

Incorrect

front
wheel

bearing
adjustment

Unequal
brake

adjustment

Weak
front

suspension
units

Deformation
or

improper
fitting
of
sus

pension

Incorrect
front
wheel

alignment

Loose
front
wheel

bearings

Loose

steering
linkage
connection
and

trans

verse
link

Incorrect

adjustment
of

ball
nut

Wheels

out
of

balance

ST
18
Corrective

action

Inflate

tires
to

recommended

pressure

Adjust
to

specifications

Lubricate

steering
gear
and
ball

joints
or

replace
worn
ball

joint

Replace

Adjust
or

replace
according
to
instructions

Lubricate
with

bearing

grease

Adjust
or

replace
as

required

Inspect
replace
worn

parts
if

any
and

tighten
nuts
to
recommended

torque

Tighten
mounting
bolts

to

proper
torque

Adjust
according
to

instructions

Inflate
to
recommended

pressure

Inspect
and

correct
front
wheel

alignment

Adjust
bearings
according
to

instructions

Adjust
brakes

Replace

Check
correct
or

replace

Inspect
and
correct
front
wheel

alignment

Adjust
bearings

Inspect
replace
worn

parts
if

any
and

tighten
nuts
to

proper
torque

Adjust
steering
gear
according
to

in

structions

Inspect
and
correct
wheel

balance