service DATSUN PICK-UP 1977 Repair Manual

Condition

Seizure
of

breakage

Oil

leakage
PROPELLER
SHAFT

IFFERENTIAl

CARRIER

Probable
cause

Shortage
of
oil
or

use
of
unsuitable
oil

Excessively
small
backlash

Incorrect

adjustment
of

bearings
or

gears

Severe
service
due

to
an
excessive

loading

improper
use
of

clutch

Loose
bolts
and
nuts
such
as

ring
gear
bolts

Worn
out
damaged
or

improperly
driven

front
oil
seal

or
bruised
dented
or
abnor

mally
worn
slide
face

of

companion
flange

Loose

gear
carrier

bolts

Faulty

gasket

Loose
fIller
or

drain

plug

Clogged
or

damaged
breather

PD

15
1

j

Corrective
action

Replace

faulty
parts
and

use
reconunended

gear
oil

Adjust
backlash
and

replace
as

required

Replace

faulty
parts

Replace
faulty
parts

Replace

faulty
parts

Replace
faulty
oil
seal

Repair
the

affected

flange
with

sandpaper
or

replace
if
nee

essary

Tighten
the

bolts
to

specified
torque

Replace
faulty

gasket
with
new
one

Tighten
the

plug

Repair
or

replace

PROPELLER
SHAFT

DIFFERENTIAL
CARRIER

SERVICE
DATA
AND

SPECIFICATIONS

Type

Ge
ar
carrier

material

Gear
ratio
number
of
teeth

Drive

pinion
preload

adjusted
by
HI90

Malleable
cast
iron

4
375

3S
8

Spacer
and
washer

Drive

pinion

Preload

kg
cm
in
Ib

without
oil
seal

with
oil
seal

At

companion
flange
olt
hole

kg
Ib

without
oil
seal

with
oil
seal

Thickness
of
drive

pinion
adjusting

washer
nun
in
10
0
to
13
0
8
7
to
II

11
0
to
14

0
9
5
to
12

2
9

to
3
7
6
4

to
8
2

3
1
to
4
0
6
8
to
8
8

2
S8
0
1016

2
61
0
1028

2
64
0
1039

2
67
0
IOSI

2
70
0
1063

2
73
O
I07S

2
76
0
1087

2
79
0
1098

2
82
0
1110

2
8S
0
1122

2
88
0
1134

2
91
0
1146

2
94
0
1158

2
97
0
1169

3
00
0
1181

3
03
0
1193

3
06
0
120S

3
09
0
1217

3
12
0

1228

3
IS
0
1240

3
18
0
12S2

Length
of
drive

pinion
bearing

adjusting
spacer
nun
in
S4
50
2
14S7

54
80
2
IS7S

SS
IO
2
1693

SS
40
2
1811

SS
70
2
1929

S6

00
2
2047

PD

16

PROPELLER
SHAFT
8i
DIFFERENTIALCARRIER

SPECIAL
SERVICE
TOOlS

No
Tool
number

tool
name

I
ST063
10000

Diff

attachment

2
ST3I
94S000

Drive

pinion

setting
gauge

assembly

H190

ST31942000

Dummy

shaft

ST31941000

Height

gauge

3
ST31970000

Collar

4
KV311
00300

Solid

punch
Description

Unit
mOl

in

This
tool
is
used
for
attaching
gear
carrier
to

ease
disassembly
or

assembly

SE023

These
tools
are

used
to

adjust
the

pinion
height

@

SE209

SE210

This

tool
is
used
for

Type
H
190

to

adjust
the

pinion
height

This
tool
is

used
with
ST3I
94S000

35
1
38
di

30
1
18

dia

1

27
1
06

l

For

driving
out
oflock

pin
of

pinion
shaft

4
5

0
177
di

Y
95
3
74

65
2

56

PD
19
For

use

on

620

610

620

610

620

610

620

610

710

S30
Reference

page
or

Figure
No

Fig
PD
7

Fig
PD
16

Fig
PD

17

Fig
PD
16

Fig

PI
13

DATSUN
PICK
UP

MODEL
620
SERIES

lNISSAN
I

NISSAN
MOTOR
CO
LTD

TOKYO
JAPAN
r

SECTION
FA

FRONT
AXLE

FRONT

SUSPENSION

FRONT
AXLE
AND

FA
2

FRONT
SUSPENSION

SERVICE
DATA
AND

FA

13

SPECIFICATIONS

TROUBLE
DIAGNOSES
AND

FA

14

CORRECTIONS

SPECIAL
SERVICE

TOOLS
FA

17

Level
line

Level
line

FA230

Fig
FA
8

Bushing
location

3
Remove

grease
nipple
and
drill

grease
hole
on

bushing
through
thread

ed

grease
nipple
hole
When

grease

hole
is
drilled
remove
metal

chip
and

burr

thoroughly

Drilling
diameter

approximate
3
mOl
0
118
in

Note
When
a

spindle
bushing
has
a

grease
nipple
hole
in
it

an
ad

ditional
hole
need
not
be

drilled

When

pressing
it
into

position
align

grease
nipple
hole

with
that
in

spindle
bushing

4
Ream
the

inside
of

bushing
to
the

specified
value
with

King
Pin

Bush

Reamer
HT56802000

Bushing
inner
diameter

when

fitted

20
010

to
20
03S
mOl

0
7878

to
0
7888
in

Note

Carry
out

reaming
from
both

upper
and

lower

bushings
When

reaming
upper
side
use
lower
side

as

reaming

guide
and
when
reaming

lower
side
use

upper
side
as
ream

ing

guide
to

align
the
center
line

correctly

5
Press

fit

grease
seal
on

upper
arm

with

King
Pin

Grease
Seal
Drift

ST35390000
In

installing
grease
seal

take
care
not
to

damage
seal

lip

51
35390000

FA231

Fig
FA
9

Installing

grease
seal
Front
Axle
Front

Suspension

Wheel
hub

1
After

removing
grease
seal
with

screwdriver
lightly
tap
outer

race
cir

cumference
with
a
hammer

by
ap

plying
a
brass
bar
and

remove
outer

bearing
race
from
hub
When

tapping

outer
race
circumference

tap
evenly

2
Remove
all
traces
of
old

grease

from

bearings
hub
and

knuckle

spindle

3

Install
inner
and
outer

bearing

races
in

hub
with
a

suitable
tool
Be

sure
to

seat
the
races

properly
in
hub

4

Pack
the
inside
of
hub
and
hub

cap
with

specified
grease
to
the
de

scribed
level
See

Figure
FAA
Also

pack
the

bearing
cone
and
roller
as

semblies
with
the
same
lubricant

FA009

Fig
FA
10

Greasing
bearing
cone
and

roller
assembly

5
Place
inner

bearing
cone
and
rol

ler
assembly
in
hub

Coat

grease
slight

ly
to
the

lips
of
new

grease
seal
and

seat
it

properly
INSPECTION

King
pin
and

bushing

Check
and

replace
king
pin
andlor

bushing
if
tne

following
faulty
condi

tion
is
detected

deformation
scores

partial
wear
and

excessive
clearance

between

king
pin
and
bushing
in
dia

meter
direction

exceeding
limit

listed

below

Clearance
limit

0
15
mOl
0

00S9
in

Standard
dimensions

King
pin
outer
diameter

19
979

to
20
000
mm

0
7866
to
0

7874
in

Bushing
inner
diameter

20
010

to
20
035
mOl

0

7878
to
0
7888
in

2
Wheel

bearing

ThorougWy
clean

grease
and
dirt

from
wheel

bearing
with

cleaning
sol

vent
and

dry
with

compressed
air
free

of
moisture
Check
wheel

bearing
to

see
that
it
rolls

freely
and
is
free
from

noise

crack

pit
ing
or
wear
Also

check
outer
race

for
condition
Re

moval
of
outer
race
from
drum
is
not

necessary

Shown
below
is
the
cha
rt
which

furnishes
the

necessary
information
on

Visual
Serviceability
Standard
for

Wheel

Bearing

Visual

serviceability
standard
for
wheel

bearing

@

J

@

@

@

@

@
A

Q
jJ

2

@

CD

FA
5
1
Outer
race

2
Roller

3
Small
collar

4
Inner
race
fitted
surface

5
Collar

surface

6
Inner
race
surface

7
Outer
race

tilted
surface

8
Outer
race
surf
lcc

9
Roller

rolling
surface

10
Inner
race

11

Large
collar

12

Supporter

FADD6

Fig
FA
11
Wheel

bearing
assembly

Front
Axle
Front

Suspension

X
Unserviceable

Judgement

6
May
be
used
when
minor

Rust
should
be
removed
with
0

emery

paper

Race
and
roller

C

Cause

Components
E

2

e
0

0

0
0

u
0

CIl

Flaking
X

Service
life
due
to

rolling
fatigue
However
this

symptom
occu
before

the

service
life
The

following
causes
are

considered

Abnormal
load
overload

Fig
a
b

Improper

handling
or

installing

Crack
X
X
X

Excessive

tightening

Excessive

gap
and
a
considerable
shock
received
from
the
outside

Rapid
heat

generation
on
the
race
due
to

creep

Bitten

supporter
with

seizing
rollers

Abnormal
thrust
load

Fig
c
d

Tapped
with
a
hammer
while

removing

Seizure
X

X
X

n
the
most
cases
seizure

occurs
as
the
result
of

grown

discoloring
or

flaking

Scratch
6

6
6
Shock
is

given
carelessly
during
installation

Bit

foreign
matter

Recess
or
wear
6
6
6

Careless
installation
removal

or
other

rough
handling
scar
due
to

made

by

pressing

striking

or

striking

Recess
made

by
foreign
matter

Fig
e
f

g

Wear
6
6
6

Poor
lubricant

quality
or

deteriorated
lubricant

Intrusion

of
dust

Fitted
surface
is

worn

remarkably

Wear
due
to

excessive

preliminary
pressure

Biting
6
6
6

Excessive

preliminary
pressure
or

faulty
lubrication

Fretting
6

6
6
The

fitted

part
is

discolored
to

brown
or
black

Fretting
corrosion

rust
on
fitted

part
means
fine
relative

slip
on

metal

contact
surface

FA
6

Front
Axle
Front

Suspension

SERVICE
DATA
AND
SPECIFICATIONS

King
pin

Clearance
limit
between
the

king
pin

and

bushing
mm
in
0
15
0
0059

Bushing
inner
diameter
when
fitted

mm
in
20
010
to
20
035

0
7878
to
0
7888

Clearance
between
the
knuckle

spindle

support
and

spindle
mm
in
less
than

0
1

0
004

Wheel

bearing

Tightening
torque
kg
m
ft
Ib
3
0
to
3
S

22
to
2S

Spindle
nut

returning

angle
40
to
700

Wheel

bearing
rotation

starting
torque

When

both

bearing
and
seal
are

new

kg
em
in
Ib
less
than
IS
13

0

When

readjusted
kg
em
in

lb
less
than
7

6
1

At
the
hub

bolt

When

both

bearing
and
seal
are
new

kg
lb
less
than
2
1
4

6

When

readjusted
kg
lb
less
than
1
0
2
2

Suspension
link

Upper
link

sliding
resistance
kg
m
ft
Ib
less
than
O
S
3

6

Lower
link

sliding
resistance

kg
m
ft
lb
less
than
O
S
3
6

lightening
torque

kg
m
ft
Ib

Brake
hose

connecting
nut
1
9
to
2
S
14

to
18

Wheel

bearing
lock

nu
t
3
0
to
3
5
22
to
2S

Brake
disc
fIXing
bolt
4

2
to
S
O
30

to
36

Knuckle
arm

fixing
bolt
10
3
to
12
1
74

to
88

King
pin
lock
bolt
2
1
to
2
S

IS
to
18

Torque
arm

Arm
end
2
7
to
3
7

20
to
27

Serration
boss
1
8
to
2
6

13
to
19

Lower
link

spindle
nut
74

to
8
0
S4

to
58

Upper
link
screw

bushing
24

to
35

174
to
2S3

Upper
link

spindle
bolt

fIXing
to
bracket
7
to
9
51

to
6S

Cotter

pin
lock
nut
0
8

to
l
l
5
8
to
8
0

Lower
link
screw

bushing
25
to
32

181
to
231

Fulcrum
bolt
3
9
to
S
3
28
to
38

Tension
rod

Lock
nut
1
6
to
2
2
12
to
16

Bracket
bolt
1
6
to
2
2
12

to
16

Shock
absorber

Lock
nut

of
the

upper
end
1
6
to
2
2

12
to
16

Lower
end
3
1
to
4
1

22
to
30

Stabilizer

Bracket
bolt
1
6

to
2
2
12
to
16

Lock
nut
of
the

anchor
bolt
3
1

to
4
1

22
to

30

Bumper
rubber
bolt
0
8
to
l
l
5
8
to
8
0

FA

13

No
Tool
number

tool

name

ST35380000

King
pin
bush

drift

2

HTS6802000

King

pin
bush

reamer
Front
Axle
Front

Suspension

SPECIAL
SERVICE
TOOL

22
2

dia

0
874

SE234

FA
17
Description

Unit

mOl

in

This
tool
is

used
to
drive
out

king

pin
bushing

This
tool
is

used
to
correct

king
pin
bushing
For

use

on

620

620
Reference

page
or

Figure
No

Page
FA
4

Page
FA
S

DATSUN
PICK
UP

MODEL

620
SERIES

I
NISSAN

I

NISSAN
MOTOR
CO

LTD

TOKYO
JAPAN
SECTION
RA

REAR

AXLE

REAR

SUSPENSION

REAR

AXlE
AND

RA
2

REAR

SUSPENSION

SERVICE
DATA
AND

RA
7

SPECIFICATIONS

TROUBLE

DIAGNOSES

RA

8

AND

CORRECTIONS

SPECIAL
SERVICE

TOOLS
RA
9

RA148

Fig
RA
16
Remvoing
spring
pin

6
Remove

rubber
bush
in

spring
if

necessary
and
install
new
bush
Coat

rubber
hush
with
a

soapy
solution

prior
to

assembly

InstaH
rear

spring
in
the

reverse

order

of
removal

noting
the

following

poinc

Vehicle

weight
must
be
on
rear

wheels
when

tightening
front

pin

shackle
and
shock
absorber
lower
end

nut
in

order
to

clamp
rubber
bush
in
a

neutral

or
unloaded

position

Tightening
torque

Spring
fTont

pin
nut

11
5

to
13

0

kg
m

83
to
94
ft
Ib

Spring
shackle
nut

11
5

to
13

0

kg
m

83
t094
ft
b

U

bolt
7
3
to
9

9

kg
m

S3
to
72
ft
lb

Shock
absorber
lower
end
nut

1

6
to

2
2

kg
m

12
to
16
ft
lb
Rear
Axle
Rear

Suspension

SHOCK
ABSORBER

Raise
rear
of

vehicle
and

support

under
axle

case
on
stands
It
is

recom

mended
that
a

hydraulic
hoist
or

open

pit
be
utilized
if

available

2

Disconnect
lower
end
of
shock

absorber

by
removing
nuts

Q
at

spring
seat

3

Disconnect

upper
end
of
shock

absorber

by
removing
nut

2
at
frame

RA146

Fig
RA
J
7

Removing
shock
absorber

Installation
of
shock

absorber
in

the

reverse
order
of

removal

Note
Vehicle

weight
must
be
on

Tear

wheels
when

tigtrtening
shock
ab

sorber

upper
and
lower
ends
in

order
to

clamp
rubber

bushings
in
a

neutral
or
unloaded

position

INSPECTION

REAR
AXLE

SHAFT
AND

WHEEL
BEARING

Inspect
the

following
parts
for

faults
and

replace
as

required

RA
6
I
Check

axle
shaft
for

straightness

cracks

damage
wear

and
distortion

2
Check
the

lip
of
oil
seal
for

damage
deformation
and

wear

3
Check

bearing
for
wear
and

damage

REAR
AXLE

CASE

Check
axle

case
for

yield
deforma

tion

cracks
or
oil

leakage
and

replace

if

necessary

REAR

SPRING

Clean
all

rust
and

dirt
from

spring

leaves

using
a
wire

brush
if

necessary

1

Examine

spring
leaves
for
frae

tures
or

cracks

2

Check
front

bracket
and

pin

shackle
U

bolts
and

spring
seat
for

wear
cracks

straightness
and

damaged

threads
If

faulty

parts
are
found

replace
with

new
ones

3

Inspect
all
rubber

parts
for
wear

damage

separation
and
deformation

Replace
them
if

necessary

SHOCK
ABSORBER

I

Test
shock
absorber
and

compare

with
the

specifications
given
in
Service

Data

and

Specifications

Replace
if

necessary

2
Check
for
oil

leakage
and
cracks

Also
check
shaft
for

straightness

3

Inspect
rubber

bushings
for
dam

age
cracl
s
and
deformation

Replace

parts
if

necessary