1968 DATSUN 510 diagram

CHAPTER

TWELVE

DIFFERENTIAL
REAR
AXLE
AND
REAR
SUSPENSION
149

DIfferentIal

Rear
axle
and

suspension

Codspnng

Shock
absorber

Rear

suspensIOn
arm

Rear
axle

shaft
Wheel

beanngs

Seals

Rear

spnng

Axle
case

SpecificatIons

CHAPTER
THIRTEEN

FRONT

AXLE
FRONT
SUSPENSION
AND
STEERING
168

Wheel
hub
and

bearmg

StabilIzer

TenSion
rod

Spnng
and
strut

assembly

Transverse
lInk

Lower
ball

Jomt
Front

suspension
adjustment

Wheel

alignment

Posture

adJustment

Steenng
system

SpeCificatIons

CHAPTER
FOURTEEN

BRAKES
187

Brake

pedal

Master

cylInder

Front
diSC
brakes

Rear
brakes

Front
drum
brakes
Wheel

cylInders

Brake

system
bleedIng

Handbrake

Service
data
and

speCificatIons

CHAPTER
FIFTEEN

BODY
ELECTRICAL
SYSTEM

Wmng

SWitches
and
fuses

Instrument

meters
and

panels

Heater
205

Wmdshleld

wipers

Wmdslueld
washers

Headlamps

WIrIng
diagrams

CHAPTER

SIXTEEN

BODY

223

Front

body
trIm

Bumpers

Hood
lock
control

Doors
Door
locks
and

regulators

Trunk
lId
and

rear

bumper

Seats

Tad

gate

INDEX

235

I

CHAPTER
FOUR

ENGINE
AND
IGNITION
TUNE
UP

For
best

performance
and

economy
care

must
be
taken
in

perfornnng
tune

ups
While

accuracy
is

required
the
task
IS
not
d1flicult
if

the

steps
m
tlus

chapter
are
followed

carefully

Cars
used

pnmarily
m

CIty
stop
and

go
dnv

ing
WIll

reqwre
attention
more

frequently
than

those
used

on

highways
ThIs
is
because
the

engme
does
not
reach
full

operatIng
temperature

ConsequentlY
valves
tend
to
stick

compression

drops
and

engme
operatIon
becomes

rough

A
tune

up
IS
adVISable

every
6
000
miles
or

sooner

dependmg
on

type
of

driving
Every

12
000
nu1es
the

spark
plugs
and

ignitIon
break

er

pomts
should
be

replaced
not

Just
cleaned

and

adjusted

A
mmor
tune

up
consISts
of

checking
battery

condItIon

cleanmg
gapping
or

replacmg
spark

plugs
and
dIstnbutor
breaker

pomts
adjustIng

dIStnbutor
dwell

angle
adjusting
IgnitIon
tun

mg
and

settIng
the
carburetor
Idle
mixture
and

idle

speed
A

major
wne

up
includes
the
above

items

plus
igllltIon
compressIOn
valve
clear

ance
carburetor
emISsion
control
deVIce
and

electncal
checks
and

adjustments

Tune

up
Equipment
Required

The

follOWIng

eqUIpment
IS

required
Chap

ter
Two

provides
a

bnef

descnption
of
the
test

eqwpment
I
Voltmeter
ammeter
and
ohmmeter

2

Hydrometer

3

CompressIOn
tester

4
Vacuum

gauge

s
Dwell
meter

6
Tachometer

7
I

StrobOSCOpIC
tmung
lIght

8
Feeler

gauges

9

Torque
wrench

10
Assorted
hand

tools

Connection
of
Tune

up
Equipment

Follow
the

manufacturer
s
recommendations

for
the
use
of
test

eqwpment
If

pOSSible
Figme

1
IS
a
basiC
schematic

diagram
applicable
to

CD

10
Battery

I
TIm1Illbght

T
8Ier

spa
k
plup

56

CHAPTER
SIX

NOTE
Lubncate
the

cylinder
walls

with
new

engine
oil

prior
to
insertIOn

of
pistOns
Make

certain
that
the

ring

gaps
are
not
In
line

wIth
one
another

Place

the

gaps
180

degrees
from
each

other

and
not

posltloned
either

front

to
back
or

dIrectly
in
line
with

the

piston
pIns

CAUTION

Use
extreme
care
when

Inserting
pzs

tons
so
as
to
avoId

crankshaft

damage

14
With
the
aid
of

a

nng
compressor
illStaIl

the

pISton
and

connectmg
rod
assembhes
into

the

cyhnder
block

as
shown
in

Figure
60
Make

certain
the

proper
piston
IS
mserted
mto
the

proper
hner
and
the
F
on
each

pISton
faces

forward

@

15
Install

beanngs
mto
the

connectIng
rod

caps

after

lubncatmg
them

hghtly

16

Gently
push
connecting
rods
With

beanngs

installed
down
the

cyhnder
until
contact

IS
made

with
the
crankshaft

17
Set

connectIng
rod

caps
over
crankshaft
and

insert

COnnectIng
rod
bolts
Make
certam
that
the

numbers
on
the
rods

and
the
rod

caps
face
in

the
same
direction

18

Tighten
rod
bolts
to
the

proper
torque
speci

ficatIon

as
shown

m

Figure
61

I
J

@v

N

i

19
Check
the

connecting
rod
end

play
With
a

feeler

gauge
as

previously
described

Cylinder
Head
Installation

1

Spread
a
suitable

gasket
seahng
agent
on
the

top
of
the

cylinder
block
and

position
a
new
head

gasket

2

Spread
seahng
agent
on

top
of
the

gasket

CAUTION

PositIon
the

crankshaft
so
that
no

pzston
IS
at

top
dead
center

Before

installing
head

point
the

keys
on
the

camshaft
and

crankshaft

straight
up

Once

the
head
zs

Installed
do
not

rotate
the

camshaft
and

crankshaft

separately
as

damage
to
the

piston

tops
might
result

3
Place
the

cyhnder
gently
onto
the
head

gask
et

NOTE
Three

dIfferent

types
of
bolts

are
used

to
hold
down
the
head

Make

certain
the

proper
ones
are
used

In

the

proper
places

4
Insert
head
bolts

through
holes
ill
head
and

thread
them
mto
the

cyhnder
block

5

Refemng
to

Figure
62

use
a

torque
wrench

and
Datsun
tool
ST49010000
or

equivalent
to

tIghten
the
head
bolts
to

specIficatIon
Tighten

them

gradually
m
three
or
four

stages
wlnle
fol

lOWIng
the

sequence
diagram
Torque
values
are

hsted

m
the

specIfication
table

ENGINE

57

@
L
13
and

L
16

engme

000000
8

4
2

6
10

7

3
1

5
9

o
0

0
0

0
Front

Crankshaft
and

Timing
Chain

Assembly

1

Insert
a
woodruff

key
mto
the
crankshaft

key

way
and
slide
the
crankshaft

sprocket
mto

place

2
Insert
a
woodruff

key
m
the

Illiddle
crank

shaft

keyway
and
slide
the

dIstnbutor
dnve

gear

mto

place

3
FIt
the
oil
thrower

to
the
crankshaft

as
shown

m

Figure
63

NOTE
Make
certam
that
the
crank

shaft
and

camshaft

keys
are

polntlng

upwards

4
Install
the

tmung
chain

over
the
crankshaft

and
camshaft

sprockets
Figure
64
shows
the

proper
relatIonslnp
of
the

tIming
marks
on
the

camshaft

sprocket
the

tmung
cham
and
the

crankshaft

sprocket
There
should
be
42
hnks

of
cham
from

tmung
mark
to

tmung
mar
k

5
Install
the
cham

gwdes
and
cham
tensIoner

NOTE

If
the
stretch

of
the
cham

roller
links
IS
extreme

adJust
the

cam

shaft

sprocket
location

by
tranfernng

the

camshaft
set

pOSltlon
of
the

cam

shaft

sprocket
to
No
2
or
No
3
hole

Procedures
to
make

thIS

adJustment

are

gIVen
m

steps
6

through
II

below
@

1
Fuel

pump
drive

eam

2
Cham

gUide

3
Cham

tensloner

4
Crank

sprocket

5
Cam

sprocket

6
Cham

gUide

6
Set
N
1

pISton
at

top
de

8
n
r
on

f

compressIon
stroke

7
Refer
to

Figures
65
and
66

Figure
65
is
a

dIagram
of
the
camshaft
locate

piate
an
d
FI

1

66
shows
the
front
side
of
the
camshaft

sprOcKee5
r

11
r

If

8
Examme
whether
the
camshaft
locatIon
hole

y

on

the
camshaft

sprocket
com
ff
llii
sl
ff
end

foI

tri4o

of
the

oblong
groove
in
the
camshaft

locate
E
1litc

If
the
locatIon
hole
IS
off
the
end
of
the

groove

the
stretch
of
the
cham
is

beyond
limit

9
Remove
the
bolt

holding
the
oil

pwp
p
cam

and
camshaft

sprocket
Move
the
camshaft

sprocket
mto

posItIon
so
that
No

2
hole
coin

Cides
With
the

oblong

groove
No
2
hole
should

be
on
the

right
end
of
the

oblong
groove

10
If
the
locatIon

hole

posItIon
still
isn
t
cor

rect
rotate
the
camshaft

sprocket
to
hole
No
3

which
should
be
on
the

nght
end
of
the

oblong

groove

@

98

CHAPTER
NINE

CHARGING
CIRCUIT

Figure
23
IS
a
schematIc

dIagram
of
the

charg

Ing
CIrcuIt
whIch

mcludes
the

battery
alter

nator

voltage

regulator
and
assocIated

wumg

f

08
ALTERNATOR

Figures
24
and
25

page
100

proVIde
ex

ploded
VIews
of
the
alternator

and
the
relatIve

locatIon
of
all

parts
In
an
alternator
the

mag

netic

pole
turns
and
the

armature
IS
fixed
The

magnetIc
field

IS
Induced

by
the
rotor
wh1ch

consists
of
alternator

shaft
field
coIl

pole
pIeces

and

slIp

nngs
The

slIp
rmg
pressed
In
the
shaft

conducts

only
a
small
field
current

Output
cur

rent
is

generated
In
the
armature
COIls
located

In

the

stator
The
stator
has
three

wIndmgs
and

generates
three

phoase
alternatIng
current
Six

dIodes
are
Installed

mto
a
heat

SInk

They
rectIfy

alternator

output
to
direct

current
for
use

by
all

electrIcal

systems
in
the

vehicle

Removal

1
DIsconnect
the

negatIve
battery
terrmnal

2
Remove

two
nuts

holdIng
electnc
leads

to

back

of
alternator
and
remove
the

Wire
leads

3

Unplug
the
electrIc
connector
from
the

back

of
the
alternator

4
Loosen

the

adJustlng
bolt
and
the

mounting

bolt

holdIng
the
alternator
In

positIon

@

r

I

I

I

L

Alternator
5
Remove

the
alternator
dnve
belt
from
the

alternator

pulley

6
Remove
the
bolts

holdmg
the
alternator

7
Remove
the

alternator
from
the
veh1cle

Disassembly

1
Unscrew
and

remove
the

through
bolts
as

shown

m

Figure
26

@

2

Separate
the
dIOde
end

housmg
from
the
dnve

end

hOUSIng
assembly
by
hlttmg
the
front

bracket

lIghtly
WIth

a
wooden
hatnnler
See

Fig

ure27

3

Usmg
SO
t

Jaws
on
a
VIse

place
the
dnve
end

housmg
m
the
VIse
and

remove
the

pulley
nut
as

shown
m

Figure
28

Cl

E

C

c5

i
u

5

o
l

co
c

c

0

1
T

Battery

r

r

L

J

Voltage

regulator

ENGINE

ELECTRICAL
SYSTEM

105

VOLTAGE

REGULATOR

REMOVAL

To

remove
the

voltage
regulator
dISconnect

the
6

way
multIple
electrIcal

COlInector
and
the

screws

holdmg
the

regulator
to
the
SIde
wall

lJ

R
ftl5
C

Wt

Str

Ii

DISTRIBUTOR
W
I
vE

Dlstnbutors
used

on
models

covered
m
this

manual
are
SImilar

except
that

some
have
a

dual
contact

pomt
system
rather
than

a

single

contact

system
The
dual

pomt
system

applies

to
1970
and
newer
models

eqUIpped
With
the

exhaust
and

evaporatIve
ermsslOn
control
deVIce

The

pomts
are

placed
m

parallel
In
the
circuIt

so
that
there
IS
a

pqase
dIfference

In
their

opera

tIon
Phase
dlfference

IS
5

degrees
on
1970

19
71

models
and
31h

degrees
on
1972
models

This

can
be

adjusted
With
the

adjustIng
screw
on

what
IS

called
the
retarded
breaker
Figure
51
shows
the
dual

point
distributor

FunctIonally
the
dIStnbutor
consists

of
the

hIgh

voltage
electrical

system
the

ignitIon
switch
the

centrifugal
advance
mechanISm

a
vacuum
ad

vance

mechanIsm
and

a
mechanIcal

driving

mechanISm

Figure
52

next

page
IS
an

ignItion

diagram
that
shows

parts
of

the

IgnItIon
CIrCUIt

The
dIstributor
shown

IS

typIcal
of
the

single

contact

pomt
system

CONSTRUCTION

Figure
53
shows

a

typical
distributor
used
and

Figure
54
shows

the
dIStnbutor
in
an

exploded

VIeW

Figures
55

page
107
and
56

page
108

provide
detaIled

exploded
VIews
of
the

lugh

tenSIon
cable

system
and
the

single
point
contact

system
Figure
57

page
109
covers

dIStrIbutors

With
the
dual

pOInt
system
The

descnptions

given
below

for

dIsassembly
and

repair
apply

espeCIally
to
the

smgle
pOInt
system
but
are

generally
true
for
the
dual

point
system

@

@
ADVANCED
BREAKER

PHASE
DIFFERENCE

5

DEGREES

CHAPTER
ELEVEN

CLUTCH
TRANSMISSION
AND
DRIVESHAFf

CLUTCH

i
es

ription

Datsun
uses
a

single
dry
dtsc
clutch
with

dIaphragm
spring
The

major
components
are

clutch
cover

pressure
plate
dIaphragm

spring

and
WIre

nngs
The
clutch
dISC
has
riveted

plates

on
both
surfaces
and
coll

spnngs
arranged
in
a

link
The
coll

springs
absorb

shock
to
soften
and

smooth
clutch

engagement
Figure
1
next

page

is
an

exploded

diagram
of

the
clutch

assembly

Clutch
Removal

The
transmIssion
must
be

separated
from
the

engme
to
remove
tlte
clutch

assembly
This
can

be
done

by
removmg
the
transmISSIon
and

engme

from
the
vehicle
as
a
umt
or

by
remoVIng
the

transmiSSIon

separately
Removal
of
the

engine

and
transmissIOn
IS
descnbed
In

Chapter
Six

Removal
of
the
transmISSIon

only
IS
descnbed

later
in
tills

chapter

Outcb

Disassembly

1

Separate
clutch

assembly
from

flywheel

Loosen
and

remove
bolts

dIagonally
and

gradu

ally
as
shown
m

Figure
2

2
Remove
dust
cover
from
clutch

housmg

3
Remove
return

spnng
from

beanng
sleeve

Separate
the
Withdrawal
lever
from

bearing

sleeve
w

1

4
Remove
release

bearmg
and

bearing
sleeve

from
front
cover
Remove
wIthdrawal
lever

ball

pm
Figure
3

CD

1
Withdrawal
lever

ball

pin

2
Withdrawal
lever

3
Return

spnng

4
Release

beanng
4

DIFFERENTIAL
REAR
AXLE
AND
REAR
SUSPENSION
151

4
Lower
the

Jack
and

r
move
dIfferentIal
from

rear
of
vehIcle
See

Figure
4
After
removal

sup

port
suspensIon
member
wIth

a
stand
to

prevent

distortlon
and

damage
to
the
Insulators

Differential

Inspection
Sedan

The

followmg
mspectIon
can
be
done
WIthout

disassembly
of
the
dIfferential
If
abnormalitIes

or

damage
eXiSts
refer
further

servIce
and

reparr

to

your
dealer

1
Check
the
tooth
contact

pattern
With
lead

oXide
at
two
or
three

pomts
after

removmg
rear

cover
Refer
to

Figure
5
which
shows
the

cor

rect
contact

pattern
If
the
contact

pattern
IS
m

correct

dIsassembly
and

adjustment
of
dIffer

entlalls

reqUIred

CD
TOE

HEEL
DRIVE

SIDE
HEEL
COAST

SIDE

2
Use
a
dIal
mdtcator
to
measure
backlash
be

tween
the
dnve

gear
and

pmIOn
Backlash

should
be

0
0039
to
0
0079
m
0
10
to

o
20mm
Check

all

gear
teeth
for

damage
and

cracks

3
Check
runout
at
the
rear
of
the
dnve

gear

If
the
tooth
contact

pattern
or
backlash

IS
ab
normal
Runout
should
be
less
than
00031

m

0
08mm
See

Figure
6

4
Rotate
the

gears
and
lIsten
for

SignS
of
de

fective

bearmgs
If
noises
are
eVIdent
the
dIf

ferential
must
be
dIsassembled
and

repaired

CD

Diflerentiallnstallation

Sedan

1
Mount
the
dIfferentIal

assembly
to
the
rear

suspensIOn
member

2
FIt
the
dIfferentIal

mountlng
member
to
the

fittmg
hole

by
pushIng
It
forward
with

a
bar

Torque
the

nuts
to
61
ft
lb

8
5

kg
m

3
Install
axle
dnve
shafts
dnve

shaft
and

handbrake

rear
cable

REAR

AXLE
AND
SUSPENSION

SEDAN

Figure
7
and

Figure
8

page
153
are
ex

ploded
dIagrams
of
the
sedan
rear
axle
and

suspensIOn
The

fully
independent
rear

suspen

SIon
IS
a
semI

traIlIng
arm

deSIgn
With
a
sus

penSIOn
member

suspensIOn
arms
coIl

spnngs

and

hydraulIc
shock
absorbers
The
wheel

bearings
are
lIfetime
lubncated

Rear
Axle

and

Suspension
Removal
Sedan

1
Jack

up
the

rear
of
the
veh1cle
and

support

It
on
stands

2
Remove
wheels

3
Refer
to

Figure
9
and
dtsconnect
handbrake

lInkage
and
rerum

sprmg
Remove
tall

pIpe
and

muffler

4
DISconnect
brake
hose
from
brake
tube
Re

move
four
bolts

holdmg
dnve
shaft
to
dIf

ferential

Lower
dnve

shaft

gently
to

ground