1968 DATSUN 510 differential

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
TWELVE

DIFFERENTIAL
REAR
AXLE

AND
REAR
SUSPENSION

The
dIfferential
rear
axle
and
rear

suspen

sIon
dIffer
for
the
various
models
ThIS

chapter

deals
WIth
each

separately

Due

to
the
need
for

SpecIal
tools
and

exper

Ience
to
dIsassemble
and

repaIr
these
unItS
the

followmg
procedures
generally
cover
removal

InspectIon
and

replacement
only
If
mechanIcal

dIfficultIes

eXIst
WIthIn
the
dIfferentIal
and
rear

axle

components
refer
servIce
and

repair
to
a

Datsun
dealer
or

competent
garage

DIFFERENTIAL

SEDAN

The
cast
Iron
dIfferentIal

assembly
used

in

the
sedan
is
shown
in

Figure
1
next

page

Proper
lubncatlOn
of
the

gear
housmg
IS
essen

tIal
Check
lubncant

every
3
000
mlles
and
re

plenISh
as

necessary
Drain
and
refill
lubncant

at
least

every
30

000
miles

Differential
Removal
Sedan

1
DISconnect
handbrake
rear
cable
dnve

shaft

and
axle
dove
shafts

by
removing
bolts
shown

by
arrows
of

Figure
2

2

Place
a

Jack
under
the
dIfferential
and

lift

slIghtly
Remove
nuts
on
both
ends

of
dtfferentIal

mountlng
member
See

Figure
3

3
Remove
four

fixIng
bolts
that
hold
dIfferentIal

to
the

suspensIon
member

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

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

DIFFERENTIAL
REAR

AXLE
AND
REAR
SUSPENSION
157

DIFFERENTIAL

WAGON

The
dIfferentIal
carner
is
made
of
alumInum

alloy
and
uses
a

hypoid
bevel

gear
Proper
lubri

catIon
IS
essentIal
Check
and

replemsh
the
lub

rIcant

every
3
000
mIles
Dram
and
refill

every

30
000
mlles

Figure
20

IS
an

exploded
dIagram

of
the
differential
used
in
the

wagon

Difterential
Removal

Wagon

1
Jack

up
the
rear
wheels
and

support
vehicle

with
stands

l

2
DIsconnect
drIve

pmlon
companion
flange

to

yoke
connectIon

3
Remove
rear
wheel
axles
as
descnbed
later

m

thIS

chapter

4
Remove
dtfferentIal
from
vehIcle

Difterential

Inspection
Wagon

The

followmg
Inspection
can
be
done
Without

dISassembly
of
the
differentIal
Perform
the
fol
lOWIng
mspectIon
and
If
abnormalitIes
or
dam

age
eXISts
refer
further
service
and

repair
to

YOI
f
dealer

1
Check
the
tooth
contact

pattern
with

lead

oXIde

at
two
or
three

pomts
after

remoVIng
rear

cover
Refer

to

FIgure
5
for
correct
contact

pat

tern
If
the

pattern
IS
not

correct

dIsassembly

and

adjustment
of
the
dtfferentIalIS

reqUIred

2
Measure
backlash
between
dnve

gear
and

pInIOn
WIth
a
dIal
mdlcator
Backlash
should
be

00059
to
00079
in

0
15
to
0
20mm

3
Rotate
the

gears
and
lIsten
for

SIgnS
of
bear

Ing
nOIse
DefectIve

beanngs
should
be

replaced

by
a
dealer

4

Inspect
gear
teeth
for

signs
of

damage
or

cracks
r

Difterential
Installation

Wagon

Install
the
dIfferentIal

by
reversing
the

pro

cedures
used
for
removal

2
Olfferenllal
case

16
Pmlon

10Ckmg
pm
28
42

AdjusllRg
washer

t
3

Beanng
stud
17
Dlflerenbal
Side

beanng
43
47

Adjusting
shim

4
Plem
washer
18
22

Adjusting
shim
53
Oil
seal

5

Locking
nut
23
Rear

plRlOn
gear
54

Range
assembly

6

Lockmg
nut
24
Front

plRlOn
beanng
55
Nut

7
PIRlOn

gear
set
25
27

Spacer
56
Wesher

Iff
8

Hex
bolt

9
Bolt

locking
strap
7

10
Case

@
11
Side

gear

12
PmlOn
mete

is

Thrust
washer
13

14
Thrust
washer

10

15
PIRlOn
shaft

23

43
47

2S
27
7

J

I
18

22

17

l
24

S3

S6
S4

55

DIFFERENTIAL
REAR
AXLE
AND
REAR

SUSPENSION
159

@

8
69

71

72

70

26
29

32

19
5
T1

31

30

21
4

23
58

20

57

37

45

6463

19
Center
bolt
33

Clip
45

Bushmg
62

Bushing

20
Hex
nut
34
Hex
nut
46
Washer
63
Nut

pin

21
Rebound

clip
35
Spring
washer
47
Self

locking
nut

64
Lock
washer

22
Rebound

clip
36

Locatmg
plate
50
Rear

spring
seat
65
Shackle

23
DIstance

piece
37
Seat

pad
54
Inner

clip
66
Shock
absorber
bracket

26
Front

pm
assembly
38
Lower
seat
assembly
55
Outer

clip
67
Bolt

27

Upper
bushing
39
Shock
kit
56
Center
bolt
68
Lock
washer

28
Lower

bushing
40
Rubber

bushing
57
Nut
69

Stopper
assembly

29
Shackle

assembly
41
Washer
58
Distance

piece
70
Nut

30
Hex
nut
42
Washer
59
Bracket

spring
71
Plam
washer

31

Spnng
washer
43
Hex
nut
60
Bolt
72

Spring
washer

32

Bumper
44
Lock
nut
61
Lock
washer

rod
ends
from
the
wheel

cylInder
lever

assembly

WIthdraw
the
handbrake

lInkage
assembly

3
Unscrew
the
011
dram

plug
and
draIn
011
into

sUItable
contamer

4
Remove
four
nuts

holdmg
brake
back

plate

to
the
axle
case
Draw
out
axle
shaft

assembly

WIth
the
brake
back

plate
and

grease
catcher

Use
a
slIde
hammer
as
shown
In

Figure
24

5
Press
off
the

beanng
collar
or
cut
it
loose

WIth

a
cold
chIsel
as
shown
m

Figure
25
The

removed

collar
should
not
be
reused

6
Use
a

beanng
puller
to
remove
the

bearmg

See

Figure
26
Take

out
brake
back

plate

160

CHAPTER

TWELVE

@

@

@
I

F

7
Remove
ten
nuts

holdmg
the
drlIerentIal

assembly
to
the
axle
case
and
withdraw
the

differential

aSsembly

Rear
Axle

Inspection
Assembly
nnd

Installation

Wagon

1
Check
the
axle
shafts
for

straighmess
cracks

damage
wear
and
chstortion

Replace
1f
de

fectIve

Do
not

attempt
to
heat
axle

to

straJghten

I
it
as
thiS
wlll
weaken
the
axle
and
could
lead
to

more
senous
trouble

2

Clean
all

parts
thoroughly
With
solvent

3
Check
011
seal

hp
for

damage
Replace
as

requrred

4
Check
the

beanngs
for

damage
and

replace

1f
defective

5
Assemble
the
rear
axle

urnt
in
the
reverse
of

disassembly

6
Use

a
new

gasket
between
axle

cases
and

drlIerentIal

7
The

gear
carner

fixmg
nuts
must

be

torqued

m
a

diagonal

pattern
to

prevent
011
leaks

Tighten

to
145
to
159ft
lb
20
to
22

kg
m

8
Install
the

grease
catcher

beanng
spacer

bearmg
and
new

bearing
collar
on
the
axle

shaft
The

beanng
collar
must
be
fitted

using
an

arbor

press
and
4
to
5
tons
of
force
Make
cectam

to

pack
the
wheel

beanng
With

grease
and
msert

the
wheel

beanng
With
the
seal
Side
toward
the

wheel

9
If
the
011
seal
has
been

replaced
take

care

not
to

damage
it
when

mstallmg
the

axle
shaft

assembly
As

a
matter
of

good

practice
replace

the
011

seal
whenever
the
axle
is
disassembled

10
Refer

to

Figure
27
and

grease
the
mdicated

areas

Torque
all
bolts
as

speCified

11

Adjust
the
aXial
end

play
between
the
wheel

beanng
and
the

recess
in
the
axle
tube
with

adjusting
shims
The
end

play
should
be
00118

to
00197
m
03
to
O
5mm
Check
end

play

with

a
dial

gauge
as
shown
in

Figure
28