1968 DATSUN 510 ABS

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

GENERAL
INFORMATION
5

Table
1
MAIN

SPECIFICATIONS
AND
DIMENSIONS
continued

Suspension
Rear
Sedan
Wagon
Pick

up

Manual
Automatic
Manual
Automatic
Manual

HypoJd
Hypoid
Hypold

ReCIrculating
ball
ReCIrculating
ball
ReCirculating
ball

DIsc
DIsc
Drum

Drum
Drum
Drum

Mechanical
rear
wheels
Mechanical
rear
wheels
Mechanical
rear
wheels

Independent
strut

type
Independent
strut

type
Independent
torsion
bar

with
tension
rods
and
with
tension
rods
and

stabilizer
stabilIZer

Independent
semi

trailing
Semi

elliptiC
leaf

spring
Semi

elliptic
leaf

spnng

arms
wrtII
coli

springs
and

shock
absorbers

5
6O
13
4PR
5
6O
13
4PR
600
14
6PRLT
ITEM

Transmission

Type

Final
Gear

Type

Steering
Gear

Type

Brake

Front

Rear

Parking
Brake

Suspension
Front

Tires

6
2
Q
1
C
S

PA
l
PlLlU

EN
4
1
AJ
E

Dt7
A

1
1
1

2
A
ru
r
f
f
A

I
III

r
c

o
I
pP
D

LA
I
tV
r
IL

c

W

L
L
l
G

ftiv
TJ

dE
IJ
S
prlc
I

u

F
l
e

p
f
vi
Ii

ftl
1
3

l

1t
J
p7
5

PrlV

B4dc
u
11
1

S
t
f
PT

f
L
UJ
ff
zr
F

T
ff

lfo

1oo

4

t

M

0

IY
AJ
to
BTOL

@
OD

2

lP

S

PAtl
pI
c

5
IN
G

ex
Sf

0103
I
D
0
3
O

j

oo

0
0
0
to

l
c

o

0
0

2
JP
t
UE

SEIT
A

C
1

J

FUEL
SYSTEM
71

Dash
Pot

Adjustment

The

adjustment
of
the
dash

pot
IS
done

by

warmmg
up
the

engme
properly
and

checkIng
If

the
throttle
lever
touches
th
dash

pot
stem
as

the

engine
reaches
1
800
and
2
000

rpm
under

no
load
conditIons

Proper
contact
between
the

throttle
lever
and
the
dash

pot
stem

produces
a

normal
dash

pot
performance
Should
a
normal

mcrease
m

engme
speed
not
occur

adjust
the

dash

pot
as
follows

1
Loosen
the
dash

pot
locknuts

2
Rotate
the
dash

pot
nght
and
then
left

3

Adjust
the
dash

pot
so
that
the
throttle
lever

hIts
the
stem
between
1
800
and
2
000

rpm

4
Fasten
the
lock
nuts

securely

5
The
clearance
between
the
throttle
valve
and

the
throttle
chamber
wall
should
be
0
0709
m

0
8mm

or
10

degrees
In
throttle
valve

angle

MAJOR
CARBURETOR

SERVICE
PROCEDURES

A
carburetor
m

good
operatIng
condition
will

delIver
the

pr
per
gasolme
and
aIr
ratIos
for
all

engme
runnmg
speeds
A

gradual
declme
In

smoothness

response
and

power
Will
occur
as

the
carburetor

slIps
from

adjustment
and
Its
delI

cate

parts
become

dirty
and
worn
Overhaul

should

only
be

attempted
by
an

expenenced

mechanic

Accurate
calIbratIon
of

passages
and
dIS

charge
hole

reqUIre
that

extreme
care
be
taken

In

dISassembly
cleanmg
and

reassembly
Use

only
a

hIgh
grade
carburetor
cleaner
and
com

pressed
arr
to
clean

parts
and

passages
Never

use
wire
or
other

pOInted
Instruments
for
clean

ing
CalIbratIon
of
the
carburetor
will
be
af

fected
The

procedures
below
are

generally
true

for
all
models
As
an
aId

Figures
13
and
14
are

typIcal
examples
of
the
carburetors
used

Carburetor
Removal

1
Remove
the
au
cleaner

by
dIsconnectIng
all

hoses
attached
to
It

remoVmg
the
two
bolts

holdmg
the

aIr
cleaner
to
the

support
and

loos

enmg
the
band
bolt
at
the
base
of
the
aIr
cleaner

2
DIsconnect
fuellme
vacuum
Ime
and
choke

wire
u

eqUIpped
from
the
carburetor
3
Remove
the
throttle
lever

4
Remove
four
nuts
and
washers

holdmg
car

buretor
to
manIfold

5
Lift
carburetor
off
of
manuold

6
Remove
and
dIscard
carburetor
to
manuold

gasket

7
Place
carburetor
on
clean
workbench

Carburetor

Disassembly

1
The
maIn

Jets
slow

Jets
and
needle
valves
on

both
the

pnmary
and

secondary
systenIS
are

accessIble
from
outsIde
the
carburetor
Refer
to

FIgures
13
and
14
for
locatI
n

2
The
choke
chamber
can
be
detached

by
re

mOVIng
the

connectIng
rod

pump
connectIng

rod
return

sprmg
stop
pm
and
the

set
screws

I

that
hold

It
in

place

3
The

pnmary
and

secondary
emulSIon
tubes

can
be
disassembled

by
remOVIng
the
mam
air

bleeds

on
the

respectIve
SIdes

4

To
check
the
accelerator

pump
remove
the

cylInder
cover
Be
careful
not
to
lose
the

return

spnng
and
Inlet
valve
at
the
lower

part
of
the

pIston
durmg
dIsassembly

5
Detach
the
throttle
chamber
from
the
float

chamber

by
remOVIng
the
rod

lInkIng
the
dia

phragm
WIth
the

secondary
throttle
valve
and

the
four
screws
that
hold
It
However
It
IS

preferable
to
leave
the
throttle
valve
mtact
unless

absolutely
reqUired
If

It
IS

necessary
to
dlS

assemble
the
valve
It
should
be
Installed
so
that

the

secondary
throttle
valve
will
be

gap
free

OtherwIse
stable
Idle
and

good
slow

speed

performance
will
suffer

is
To
check
the
float
the
float
chamber
cover

must
be
removed

I

7
The

dIaphragm
IS
dIsassembled

by
removing

the
set
screws

holdmg
the

dIaphragm
chamber

cover
In

reassemblIng
the

diaphragm
be
careful

not
to
turn
the

edge
of
the

dIaphragm
up

8
In

dlsassemblmg
and

reassembling
the
mter

lockIng
lInks
take
care
so
that
each

lInkage
has

a
smooth
actIon
and
that

parts
are
not
forced

mto

pOSItIon

9
For
vehIcles

equipped
With
an
automatIc

choke
remove
the
brmetal

case

by
releasmg
the

set
screws
The
bimetal

1l
extremely
senSItIve

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

152
CHAPTER
TWELVE

3
Shall

yoke
stopper

0
4
Rear

snap
nng

J
5
Dn
eshall

stopper

6

Snap
nng

7
Rubber
boot

8
Boot
band

9
Boot
band

10
Slee
e

plug

11
O

nng

12

Snap

nng

13
Yoke

flange

3
4
6

14
Whee

beanng
spIder

15

Spider

12
5
16

Beanng
race

assembly

j

50

CANADA
47

AtO

C
J

ty

9
1
Y

4

i
l

A

I

ii

1
o

l
J
Il

h

o

20
J

I

1
Brake
tube
connector

2
Handbrake
rear
cable

adjuster
3
Return

spnng

4

Propeller
shall
to

dlfferenballixlng
bolts
20
26

Snap
nng

27
Dn
er

bolt

28
Onveshall
nut

29
Lock
washer

30
Rear
axle
shall

assembly

31
Hub
bolt

32
Hub
bolt

33
Grease
catcher

34
Screw

35
Lock
washer

36
Screw
and
Ioc
l
washer

37

Right
rear
axle

beanng

38
40

Beanng
distance

piece

41
Grease
seal

42

Beanng

spacer

43
Lock

nut

44
lock

washer

45

Rear
axle
flange

46
Cover

plate

47
Brake
drum

48
Wheel

50
Wheel
oover

43
44
45

46

51

5
Jack

up
suspenSIon
arm
and
remove
shock

absorber
from
lower

mountlng
bracket

See

Figure
10
Take
care
not
to
lose
rubber

bushmgs

6

Support
the
center
of
the

suspensIon
member

and
dIfferential
With
a
transmISsion

Jack
Re

154
CHAPTER

tWELVE

move
two
nuts

attachmg
dtfferenual

suspension

member
to
the

body

7

Gently
lower
the

suspension
assembly
from

the

body
by
10wermg
the

jack
Support
the

suspension
so
It

does
not

fall
off
of
the

Jack

See

Figure
11
WIthdraw

Jack
and

suspension

from
vehicle

Rear
Axle
and

Suspension
Inspedion

And

Repair
Sedan

WIth
the
rear

suspension
removed
from
the

vehicle

InSpect
all

parts
for
wear
and

damage

Pay

special
attention

to
the

bushings
in
the

suspensIon
arms
and
robber

bumpers
Check

conditIon

of
the

spring
robber

msulators
in
the

suspensIOn
member
and
drive
unit

mounting

member

Replace
as

required

Rear
Axle

and

Suspension
InstaDation
Sedan

1
Instalation

procedures
are
the

opposite
of

removal

2
Be
sure
that
the

suspension
member
and
dnve

unit

mountmg
member
are
med

up
correctly

3

Tighten
fixing
nuts
and
bolts

as
follows

Suspension
Member

Mounting
Nuts
72
It

Ib
10

kg
m

Dlfferenbal

Mounting
Nuls
62
It
Ib
85

kg
m

Shock
Absorber
Lower
End
Nuts
17
It
Ib
23

kg
m

COIL
SPRING

SEDAN

Coil

Spring
Removal
Sedan

1
Jack

up
rear
of

vehicle
and

support
it
on

stands
2
Remove
wheels

3
Disconnect
handbrake

mkage
and
retl1rn

spring

4
Remove
dnve
shaft

flange
nuts

Figure
12

5
Remove
nuts
from
lower

part
of

bumper

assembly

6
Place
a

Jack
under

suspension
arm
and

re

move
shock
absorber
from

lower

mounting

Lower

Jack
and
remove
coll

spring
spnng
seat

and

bumper
assembly

Coil

Spring
Inspection
and

Repair
Sedan

1
Check
condItIon
of
coll

sprmg
for
wear
and

damage
Replace
if
defective

2
Check

all
robber

parts
for

wear

damage
and

general
condItion

3
Installation
of
the
coll

spnng
assembly
is
the

reverse
of
removal
Make
certam
the
coil

spring

is
installed
With
Its
flat
face
at
the

top

SHOCK
ABSORBER

REMOVAL
REPLACEMENT

INSTALLATION

SEDAN

1

Open
the
trunk
and

remove
the
mer

2
Remove
double
nuts
that
fasten

upper
end

of
rear
shock
absorber
to
the

body
Figure
13

3

DIsconnect
lower
end
of
shock
absorber
from

suspensIon
arm

4
Check

general
conditIon
of
shock
absorber

Check
for
011
leaks
cracks
and

straIghtness
of

shaft

Replaceif
defectIve

5

Inspect
robber

bushmgs
for

damage
wear

and

general
condition

Replace
as

required

6
InstallatIon
IS
the
reverse
of
removal

DIFFERENTIAL
REAR

AXLE
AND
REAR

SUSPENSION
155

i

I

I

I

REAR
SUSPENSION
ARM

SEDAN

Rear

Suspension
Arm
Removal
Sedan

1
Jack

up
the
rear
of
the
vehIcle
and

support
It

on
stands

2
Remove
wheel
and
brake
drum

3
DIsconnect
dnve
shaft
from
axle
shaft

4
Remove
handbrake
cable
from
lever
attached

to
wheel

cylInder

5

Plug
brake
tube
to

prevent
loss
of
brake
flwd

6
Remove
wheel

beanng
lock
nut
rear
axle

shaft
wheel

beanngs
and
OIl
seal
Remove
rear

brake

assembly
from

suspensIOn
arm

7
Place

Jack
under

suspenSIon
arm
remove

shock
absorber
from
lower
bracket
lower

Jack

gradually
remove
coll

spnng
spnng
seat
and

bumper
assembly

8
Remove
two
bolts

secunng
suspensIOn
arm
to

suspensIOn
member
and
remove

suspensIOn
arm

See

Figure
14
9
Remove
rubber

bushmg
from

suspensIon
arm

usmg
a

bushmg
remover
as
shown
In

Figure
15

@

Rear

SllSpension
Arm

Inspection

Repair
and

Installation
Sedan

1
Examme

suspensIOn
arms
for

damage
dents

and
cracks

Replace
tf
defectIve

2
Check
rubber

bushmgs
carefully
for
wear

damage
and

general
condItIon

3
Install

suspensIOn
arm
m
reverse
of
removal

When

Installmg
suspensIOn
arm
to

suspensIOn

member
re

tIghten
the
bolts
after
the
vehIcle

IS

removed
from
stands

Change
self

lockmg
nuts

every
tIme

they
are
removed

dunng
semcmg

REAR
AXLE
SHAFf
WHEEL

BEARINGS
AND
SEALS
REMOVAL

AND
DISASSEMBLY

SEDAN

1
Jack

up
the
rear
of
the
vehIcle
and

support
It

on
stands

2
Remove
wheel
and
brake
drum

3
DIsconnect
dnve
shaft
from
axle
shaft

4
Remove
wheel

bearmg
lock

nut

usmg
axle

shaft

flange
wrench
to
hold
the

companIOn

flange
See

Figure
16

5
Use

a
slIde
hammer
to
Withdraw
the
axle
shaft

assembly
Refer
to

Figure
17

6
Remove
011
seal
and

Inner

bearmg
usmg
rear

axle
shaft

bearmg
dnft
as
shown
In

Figure
18