1973 DATSUN B110 heating

REAR
AXLE
REAR

SUSPENSION

y

Jo

r

J

Fig
RA
6

Removing
oil
seal

Inspection

I

Inspect
the

machined
surface
of
the
axle

shaft
and

the
axle

housing
for

rough
spots
or
other

irregularities

which
affect
the

sealing
action
of
the
oil

seal

2

Check
the
axle

shaft
for

straightness
cracks

damage

wear
and
distortion
The
bend
amount
should
be
less
than

0
3
mm
0
118
in

Note
Do
not

attempt
to

straighten
a
bend
shaft

by

heating

Assembly

Assemble
the

rear
axle
in

reverse

sequence
of
removal

noting
the

following
points

I
Place
the

bearing
spacer
wheel

bearing
and

bearing

collar
on
the
axle
shaft
and

press
them
on
the
shaft
with

a
force
of
3
to
5

tons

using
a

press
stand
ST38270000

Note
A

new
rear
wheel

bearing
should
be

packed
with

specified
MP
2

grease
Fig
RA
7
Install
wheel

bearing

2

Install
the
oil
seai
in

place
on
the
axle

housing
flange

Note
When
the
axle
shaft
is

replaced
the

new
oil

seal

must
be
used
Be

sure
to

apply
MP
2

grease

between

lips
of
the
oil
seal

3
Install
the
rear
axle

shaft
into
the
axle

housing

Check
the

clearance
between
the
wheel

bearing
and

housing
and

face
If

this
clearance
is

exceeding
the
limit
of

o
to
0
1
mm

0
to

0
0039
in

adjust
it

by

changing
the

adjusting
shim

having
proper
thickness

BEARING
ADJUSTING
SHIM

1

Fig
RA
8
Wheel

bearing
to

housing
end

face
clearance

RA
3

7

Remove
the

brake
disc

installation
bolt
and
remove

the
brake
disc
from
the

spindle

8
Disassemble

the
wheel

cylinders

Inspection

l
Drums

If

they
show

score
excessive
out
of

round

and
so
forth

reconditioning
by
machining
is

required

Brake
drum
inner

diameter

203
2

mm
8
00

in

Drum

inside
out
of
roundness

Below
0

02
mm
0
0008
in

Max

allowable
drum

inner
diameter

204
5

mm
8
051
in

2

Linings
If
brake
shoe

linings
are

incomp1etedly

seated

soiled
or

greasy
or
deteriorated
due

to
excessive

heating
repair
or

replace
them

If
the

thickness
of
the

lining
is
less

than
1
5

mm
0
0591
in

replace
it

Note
a
If
oil
or

grease
is
found
on

linings
clean

thoroughly
with
carbon
tetrachloride
or

gasoline

b
After

installing
and

bonding
lining
grind
the

lining
face

to
a
diameter

equal
to
the
brake
drum

3

Check
the

adjusting
cams

for
their
smooth

operation

4
Return

springs
If

they
are

considerably
weak

replace
them

Return

spring
dimension

Wire
diameter

x
free

length
turns

3
2

x
118

mm
20
5

0
1260
x
4

65
in

20
5

Load
x

length

55

kg
I21
lb
x
127
1

mm
5

00
in

13
4
0
528

ilL
rnv

0
t
6

hl
03

118

4
65

FREE

LENGTH

UNIT
mm

in

Fig
BR
J
7
Return

spring
BRAKE

5

Check
the
brake
disc

for
distortion

6
Check

the
bore
of
the

wheel

cylinder
for
wear

sign

of
rust
and

damage

If
clearance
between

the

cylinder
and
the

piston

exceeds
0
15

mm
0
0059

in

replace
them

Fig
BR
J
8

Sectional
view

of
front
wheel

cylinder

7
When
the

wheel

cylinder
is

overhauled
it
is

recom

mended
that

cups
be

replaced
even
if

apparently
they
are

in

satisfactory
conditions

Cups
must
be

replaced
if

deformed
due
to

damage
crack
corrosion

smelling

andf
or

aging

Reassembly
and
reinstallation

The
rear

brake
is

reassembled
and
reinstalled
in
reverse

sequence
of

disassembly
and
removal
However
note
the

following
matters

When

assembling
the
wheel

cylinder
be

sure
to

apply

rubber

grease
to
the

piston

cup
and

other
rubber

parts

slightly

2
When

installing
the
wheel

cylinder
to
the
brake

disc

apply
brake

grease
to
the

cylinder
disc
and

adjusting

plate
sliding
surfaces
and
to
the
wheel

cylinder
lever

fulcrum

portion

sufficiently
so
that
the
wheel

cylinder

slides

smoothly

BR
9

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

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

BODY

Removal
and
installation

The

rear
window
electric
defroster

glass
is
removed

from
or
installed
on
its

position
in
the

same
manner

as

that
for
the
standard

rear
window

glass

Heat
wire
harness

1

Fig
BF
66
Rear

floor
wiring
Note
a

Use
care
not
to

give
scratches
and

wiring

b
Remove
weather

strip
whenever

glass
is
to
be

replaced

After

glass
is
installed
in

place
apply
sealant

between

panel
and
weather

strip

1

Connection
Specifications

Glass

Semi

tempered
heat

absorbing

type

Power

consumption
75W

l2V

Heating
wire
Baked

on
rear
window

Interior
side

Heating
wire

coverage

Horizontal

Vertical
Full
width

390
mm
15
35
in

Inspection
and

repair

Ground
terminal
How
to

locate
a
broken

heat
wire

and
a
break

a
Method
I

Start
the

engine
and
turn

on
the
window

defogger
system
If
the
area
around
a

specific
heat
wire

is
not

defogged
that
line

is
broken

n
if
U

i

p
w
w

j
w

j
fj

f

i

j
L
1

2
Defogged
area

Broken
heat
wire

Fogged
area

Fig
BF
69

Defogging
pattern

BF
34

Air
intake

system
in

trouble

Overheating

Overcooling

Others

NOISY

ENGINE

Car

knocking

Car
knock
when

coasting
ENGINE

Diny
ur

clogged
fuel
strainer

Fuel

pump
will
not
work

properly

Clogged
carburetor

jets

Clogged
air
cleaner

Air

inhaling
from
manifold

gasket
or
carbu

retor

gasket

Insufficient
coolant

Loosened
fan
belt

Worn
or
defective
fan
belt

Defective
thermostat

Defective
water

pump

Clogged
or

leaky
radiator

Defective
radiator
filler

cap

Air

mixing
into

cooling
system

Improper
grade

engine
oil

Incorrect

ignition
timing

Defective
carburetor

lean
mixture

Defective
thermostat

Low

octane
fuel

Improper
tire

pressure

Dragging
brake

Slipping
clutch

Overloading
to

engine

Carbon

knocking

Timing
knocking

Fuel

knocking

Preignition
misusing
of

spark
plug

Incorrect
throttle

opener
adjustment

Trouble
in
PCV
valve

ET
30
Replace

Repair
or

replace

Disassemble
and
clean

Replace
element

Replace
gasket

Replenish

Adjust

Replace

Replace

Replace

Flush

repair
or

replace

Replace

Retighten
each

part
of

cooling
system

Replace
with

proper
grade
oil

Adjust

Overhaul
carburetor

Replace

Replace
with

specified
octane
fuel

Adjust
to

the
specified

pressure

Adjust

Adjust

Use

right

gear
in

driving

Disassemble
cylinder
head
and
remove

carbon

Adjust
ignition
timing

Use

specified
octane
fuel

Use

specified
spark
plug

Adjust
throttle

opener

Replace
PCV
valve

ENGINE

12
000
to
12
011
dia
0
4720
to

0
4724

I

t
r
1

1
1

ftlM

e

f
i1i

e

e

I

Standard

alve
guide

hole
diameter

UNIT
mm

in

Fig
EM

Valve

guide
hole

Fig
EM
38

Removing
and

refitting
valve

guide

Guide

hole
For
standard

inner
valve

guide
12

011
to
12

000
dia

0
4724

to
0

4720
dia

12

211
to
12
200dia

0
4804

to
0
4800
dia
diameter

rom
in
F
or
service

valve

guide

3

Press
new

valve

guide
into
the
valve

carefully
so
that

it
will

fit

smoothly
after

heating
the

cylinder
head
to

ISOo
to
2000C
3020

to
3920F

The
valve

guide
of
0
2
mm
0
0079
in
oversize

diameter

is
available
for
service

Interference
fit
of
valve

guide
to

guide
hole

mm
in
0
022
to
0
044

0
0009
to

0
0017
4
Ream

the
bore
with

the
valve

guide
pressed
in

using

a
valve

guide
reamer

Special
tool
STl1080000

Reaming
bore
8

000
to
8
015
mm

0
3
ISO

to
0
3160
in

5

Correct
the
valve
seat

surface
with
the
new
valve

guide
as
the
axis

Valve

seat
insert

Check
the
valve
seat
inserts
for

any
evidence

of

pitting

at
valve
contact
surface
and
reseat
or

replace
valve
seat

insert

if
the
valve
seat
insert
is
worn

excessively

The
valve

seat
insert

of
O
S
mrr
0

0197
in
oversize

is

available
for
service

Fig
EM
39

Valve
seat
correction

INTAKE

D

N

o

o

i
i

o
2Q
Qi
tQJ

g
1
181

u
xO
00391

t
4

I

J
1

11
33
5d

a

o
I

11
3191

37

080
to

37
096
dill

1
459
to
1
460
M

N

M

N

o

0

0

ON

o

0

j
EXHAUST

E

r
33
080
to

33
096
dia
N

Ol

1
302
to
1
303
c
i

1

2

I
N

0

r26
dia

11
023

0

0
8

to
1
0C

10
0315
to
0
03941

UNIT
mm

in
Cl

Q

u

o

Fig
EM
40

Standard
valve
seat
insert

EM
12

ENGINE
ElECTRICAL
SYSTEM

SPECIFICATIONS

Make
and

type

Primary
voltage
v

Spark

gap
mm
in

Primary
resistance

at
200C
680

F
n

Secondary
resistance

at
200C
680F
Kn

External
resistor

at
200C
680
F
n

Applied
resistor
HANSHIN
HITACHI

H5
15
2
C6R
601

12
12

more
than
7

more
than
7

0
28
0
28

1
17
to
I
43
l
l
7

to
I
43

11
2
to
16
8
11
2

to
16
8

l
3tol7
l
3tol7

RC
15
5560R
151O

SPARK
PLUG

CONTENTS

DESCRIPTION

INSPECTION

CLEANING
AND

REGAP
EE
37

EE
37

EE
38

DESCRIPTION

The

spark
plugs
are
of
the
resister

type
having
14
mm

0
551
in
threads
and
0
8
to
0
9
mm
0
031
to
0
Q35
in

gap

Note
All

spark
plugs
installed
on
an

engine
must

be
of

the

same
brand
and
number
of
heat

range

INSPECTION

1
Remove

spark
plug
wire

by
pulling
on
boot
not
on

wire
itself

2
Remove

spark
plugs

3

Check
electrodes
and
inner
and
outer

porcelains
of

plugs
noting
the

type
of

deposits
and
the

degree
of

electrode
erosion

Refer
to

Figure
EE
74

Normal
Brown

to

grayish
tan

deposits
and

slight
elec

trode
wear
indicate
correct

spark

plug
heat

range
SPECIFICATIONS
AND

SERVICE
DATA

TROUBLE

DIAGNOSES
AND

CORRECTIONS
EE
38

EE
39

Carbon
fouled

Dry
fluffy
carbon

deposits
on
the

insula

tor
and

electrode
were

mostly
caused

by
slow

speed

driving
in

city
weak

ignition
too
rich
fuel
mixture

dirty
air

cleaner
etc

H
is

advisable
to

replace
with

plugs
having
hotter
heat

range

Oil
fouled
Wet

black

deposits
show

excessive
oil

en

trance
into
combustion

chamber

through
worn

rings

and

pistons
or
excessive

clearance
between

valve

guides

and

stems
If
the
same

condition
remains

after

repair

use
a

hotter

plug

Overheating
White
or

light
gray
insulator
with
black

or

gray
brown

spots
and

bluish
burnt
electrodes
indicate

engine

overheating
Moreover
the

appearance
results

from
incorrect

ignition
timing
loose

spark
plugs
low

fuel

pump
pressure
wrong
selection

of
fuel
a

hotter

plug
etc

H
is
advisable
to

replace
with

plugs
having
colder

heat

range

EE
37