1968 DATSUN 510 brake

CLUTCH
TRANSMISSION
AND
DRIVESHAFI
147

SERVICE
DATA
AND
SPECIFICATIONS

Table
3

gives
the
service
data
and

specIfica

tIons
for
the

dnveshaft

AUTOMATIC
TRANSMISSION

CHECKS
AND
ADJUSTMENTS

Whlle
removal
and

repair
of
the
automatic

transmisSIOn
IS
not

recommended
the

follo
VlIlg

checks
and

adjustments
should

help
prevent

costly
repatrs

Transmission
Oil
Check

Check
the
automatIc
transmission
oil
level
at

least

every
3
000
mlles

Replemsh
With

hIgh

qualIty
automatIc
transmISSIon
flUId
as

reqUIred

Be
careful
not
to
overfill
as

damage
to
the
seals

can
result
To
check
the
011
level

proceed
as

follows

1
Start
the

engme
and

nm
it
untIl
normal

oper

atrng
temperature
IS
reached

2

Apply
brakes
and

move
the
transmission

shut
lever

through
all
drive

pOSItions
and

place

lever
In

park
position

3
WIth

engme
running
remove
tranSmISSIon

dIp
StIck
clean
It
WIth
a
lInt
free
cloth
or

paper

and
return
it
to
the
transmission

4
Remove

dIp
stIck

agam
and
examine
level
on

dIp
stIck

gauge
It
should
be
between
the
low

and
full
marks

Replenish
as

necessary

5

VIsually
InSpect
the
color
and
condItIon
of

the
OIl
on
the

dIp
stIck
Normal
color
of
the
OIl

IS
red
If
the
color
IS
abnormal
dram
and

re

place
If
the
011
has
detenorated

to
a
vamlsh

lIke

qualIty
It

may
cause
the
control
valve
to

stIck
Blackened
oil

may
mdlcate
a
burned

clutch
or
brake
band
6
Should
the
above
condItIons

exist
refer

mamtenance
to
a
transmISSIon

specIalIst

Transmission
Oil

Leakage
Check

011

leakage
may
occur
at
the

Junction
of
the

transmissIon
and
rear
extensIon
011
tube
con

nectors
011

pan
OIl

pressure
mspectIon
holes

downshIft
solenoid
or
breather

pipe

Abnormal
OIl

usage
usually
mdlcates
leaks

that
should
be

stopped
before
severe

damage
IS

done
To

mspect
for
011
leaks

proceed
as

follows

1
LIft
car

up
on
hOISt
or

Jack
up
and

place
on

stands

2
Clean
outsIde
of
transmISSIon
case
With

cleanIng
solvent
to
remove
dIrt
and
011

accumu

latIons

3
Start

engme
and
nm
untIl

operating
temper

ature
is
reached

4
ShIft

gear
lever
to
dnve
to
Increase
011

pres

sure
and
CIrculatIon
WIthin
tranSmISsion

5

Inspect
pOInts
mentIoned
above
for

SIgnS
of

leakage
Leakage
of
transrmSSIOn
011

IS
dIStrnC

tIve

by
its
reddISh
color

6
If
leaks
are
detected
refer
servIce
and

reparr

to

qualIfied
transrmssion

specialISt

Kick
down
Switch

and
Downshift
Solenoid

Checks
and

Adjustment

When
ktck
down

operatIon
IS
not
correct
or

the

speed
changmg
pomt
IS
too

high
check
the

klck
down
SWItch
downshIft
solenOId
and
the

wlDng
between
them

Figure
45
shows
the
loca

tIOn
of
these

parts
To
check

operatIon
proceed

as
follows

Table
3
J

DRIVESHAFT
SERVICE
DATA
AND
SPECIFICATIONS

SpeCifications

Axial

play
of

spider
Journal

Sleeve

yoke
spltne
to
malnshaft

Spline
lash
wear
Itmlt

MaXimum
drive
shaft
runout

Journal
diameter
wear
limit

Penmlsslble

dynamiC
unbalance
at
4
000

rpm

Tightening
Torque

Flange
yoke
to

compaRlon
flange
nuts

CompaRlon
flange
center

bearing
nut
pick

up

Bearing
mounting
bracket
installation
bolt
00315
In
008mm

OtoO
0031
In
OtoO
08mm

00197
In

0
5mm

00236
In
06mm

00059
In

0
15mm

0278
In
oz

15

gr
cm

2893
to

615ft
Ib
40
to
8
5

kg
m

74
to
111
ft
Ib
10
to
15
kg
m

18

to
20
ft
Ib
24
to
2
7

kg
m

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

p

52
Rear
suspension
member
95
Nut
103
Washer

53
Mounting
spacer
96
Rubber
seat
104
Washer
e

54
Mounting
spacer
97
Bumper
assembly
105
Damper
to
weight
stud

55
Mounting
bolt
98
Fixmg
nut
106
Nut

56
Nut
99
Plain
washer
107
Dust
cover

57
Insulator
100
Damper
assembly
lOS
Spacer
ring

58
Stopper
101
Damper
weight
109
Hex
bolt
E

59
Stopper
102
FIxing
bolt
110
Spring
washer

60
Washer

61
Self
locking
nut

62
Bolt

63
Self
locking
nut
101

64
Washer

65
Mounting
member
with

Insulator
109
1
l

66
Insulator
110

67
Stopper
w

68
Stopper
E

69
Mountmg
bolt

70
Mounting
plate
@
8IAH

loa
9
181lH

71
Nut
a

72
Plain
washer

73
Plain
washer

75
Left
hand
suspension
a
12
I

ann
t

76
Brake
hose
bracket

77
Arm
bushing
assembly
Ik
I
f
I
f

78
Shock
bracket
M
@

79
Shock
bracket

80
Ann
pin

81
Self
locking
nut

82
Plain
washer
e

85
Rear
spring
v
IDO

86
Shock
kit
M
4r

87
Shock
rubber
bushing

88
Shock
rubber
bushing
105
l1

89
Washer
t
81
r
D9
55

90
Washer

91
Nut
I
Sf
l
I
81

I
92
Nut

93
Shock
rubber
bushing
e
81
101

94
Washer
t

L

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

158

CHAPTER
TWELVE

REAR
AXLE
AND

SUSPENSION

WAGON

The

rear
axle
is

a
semI

f1oatlng
type
The
rear

wheel

bearmgs
are

presealed
and
do
not

require

penodlc

servIcmg
However
whenever
new

bearmgs
are
Installed

they
should
be

packed

v
lth
wheel

beanng
grease
durmg
InstallatIon

Figure
21
IS
an

exploded
view
of
the

rear
axle

whlle

Figure
22
IS
an

exploded
VIew
of
the
rear

suspensIon

Rear
Axle
Removal

Wagon

1
Remove
hub

caps
and
loosen
wheel
nuts

2
Jack

up
rear
of

vehIcle
and

support
it
on

stands

3
Remove
wheel
nuts
and
wheels
Remove

brake
drums
If
drums

are
not
free

or
are
dIffi

cult
to

remove
slacken
off
brake
shoe

adjuster

a
few
notches

4
DISconnect
brake

hose
from
brake
tube

Plug

up
the
hose
to

prevent
f1Uld
loss

@

4

16

6
5
DIsconnect
handbrake

rear
cable
from
bal

ance

lever

assembly

6
Remove
four
bolts

holdmg
dnve
shaft
to
the

dnve

pmlon
compamon
flange

7
Release
both
lower
shock

absorber
self

lockmg
nuts
and

slIde
the

mountlng
eyes
off
the

PIvot
of
the
rear

spnng
seat

8

Support
rear
axle
wIth
a
transrmsslOn

Jack

9
Loosen
the
U
bolt
lock
nuts
Remove
the
nuts

from
both

rear

spnng
shackles
and
remove
the

shackles
from
the
rear

spring
eyes

10
Remove

the
U
bolt
lock
nuts
Lower
the

jack

and
WIthdraw
the
rear
axle

assembly
See

Figure
23

Rear
Axle

Disassembly
and

Inspection
Wagon

1
DIsconnect
brake
lIne
ends
from

wheel

cylIn

ders
and
remove
the
line

complete
with

the
three

way
connector

2
Remove

cross
rod

clamp
and
balance
lever

arm
from
the

rear
axle

case
Remove
both
cross

1
Rear
shaft

assembly
11
Bea

ring

2
Rear
shaft
assembly
12
Bea

ring
colla
r

3
Wheel
hub
bolt
13
Axle
case
rear

shim

4
Rear
axle

assembly
14
Hex
bolt
With
washer

5
Stud
15
Brake
drum

6
011
seal
16
Rear
wheel

7
Axle
case
breather
48
Grease
catcher

9
Drain

plug
assembly
49
Seat

assembly

10
Rear
axle

spacer
53
Wheel
nut