1977 DATSUN PICK-UP ECU

spindle
and

torque
bolt
to
10
3

to

12
1

kg
m
75
to

88
ft

lb
Bend

lock

plate
to

engaged
flats
on
boll
head

Note

When
disassembled
discard

used
lock

plate

5

Pack

grea
to
the

upP
r

and

lower

bushings
on

knuckle

spindle

until

grease
c
omes
out

from

gr
ease

seal

6
Fill
wheel
hub
and

cap
with

grease

up
to
the

described
level
See

Figure
F
A
4

FA141

Fig
FA
4

Gre
ing
wheel
hub

7
Pack

roller
and
cone

assembly

and
the

cavity
of

grease
seal

lip
with

grease

8
Coat

grease
to

the
thread
of

knuckle

spindle

bearing
washer
and

bearing
lock
nul

9
Secure
wheel
hub

bearings
bear

ing
washer
and

spindle
nut
on
knuckle

spindle
and

adju
t

bearing

preload

referring
to

the

paragraph
Wheel

bearing
adjustment

Note
Be

sure
to
obtain

correct

pre

load

on
wheel

bearings
for
the

pu
rpose
of

ving
their

long
life

taking
care
to

keep
wheel

be8rlngs

grease
seal

bearing
washer
and

spin

dle
nut
clean
when

installing
them

WHEEL

BEARING

D

TM
NT

Wrong

adjustment
of
wheel
bear

ing
causes
abnonnal
wear
and
score

on
the

bearings
and
knuckle

spindle
Front
Axle
Front

Suspension

To
attain

proper
preload
on
wheel

bearings

proceed
the

following

opera

tions

I

Torque
spindle
nut

to
3

0
to
3
S

kg
m
22
to

25
ft
lb

using

torque

wrench

FA227

Fig
FA
5

Tightening
apindle
nut

2

Rotate
wheel

hub
a
few
turns

clockwise
and

counterclockwise
to

seat

bearings
Then

retighten
spindle

nut
to
the
same

tightening

torque
Be

certain

to
rotate
hub

smoothly

3

Back
off

spindle
nut
in

range

from
40
to
70

degrees
Locate

adjust

ing
cap
on

spindle
nut

so
as
to

align

the
castellation
on

the

cap
with

the

cotter

pin
hole
in

the

spindle

4

Check
the
hub
rotation

If
hub

rotates

properly
measure

bearing
rota

tion

starting
torque
If
measured

torque
is
deviated
from

the

specified

value
r

place
beari

gs
r
re

dju
st

The

starting

torque
can

be
mea

sured

by
a

spring
balance
as
shown
in

Figure
F

A
6

Spring
balance

indication
at
hub
bolt

New

bearing

2
1

kg
4

Ib
o

ess

Used

bearing

1
0

kg
2
2
lb
or

less

Notes

a

When

measuring
the

starting
force

pull
the

spring
balance
toward
tan

gential
direction

against
normal
line

connected
between
hub
boll
and

spindle
center

b

Axial

play
is

permissible
to
exist

in

0
1
mm
0
004
in
or
less

FA
4
fA22S

Fig
FA
6
Mea

uring
bearing
rotation

atarting
torque

S

Install

a
new
cotter

pin
Bend

the

ends
of
coller

pin
around
the

castel

lated

flange
of

adjusting
cap
Then

install
hub

cap

DISASSEMBLY
AND

ASSEMBLY

Knuckle

spindle

I
Drive

spindle
bushing
and

grease

seal
out
of
knuckle

spindle
with

KiTlg

Pin
Bush
Drift

ST3S380000
Discard

bushing
and

grease
seal
when

disas

sembled

2

After

cleaning
king
pin
bores

thoroughly
install

bushing
carefully

by
using
the
above

special

tpol
Posi

tion

bushing
in

accordance
With
the

instructions
fIlled
in

Figure
F
A

7
and

FA
8

34
mm

1
34
in
Upper
side
in

lower
boss

I

I

1

II

I
Pla
ce
this

position
in
line
with

grease
nipple
hole

Upper
side
in
upper
boss

FA229

Fig
FA
7

King
pin
bu

hing

SHOCK
ABSORBER

REMOVAL
AND

INSTAUATION

1
Raise
vehicle
on
a
hoist
or
stands

2
Remove

wheel

3
Hold
the

upper
stem
of
shock

absorber
and

remove
outs
washer

and

rubber
bushing

4

Remove
bolt
from
the
lower
end

of
shock
absorber

FA232

Fig
FA

13
Shock
absorber

S
Retain

lower
rubber

bushing
in

position
install
the

lower
end
of
shock

absorber
to
the
bracket
of
lower
link

and

torque
the
bolt

to
3

1

to
4

1

kg
m

23
to
30
ft
lb

Note
Insert
the
bolt
from
the
front

side
of
vehicle

6
Install
the

upper
end
of
shock

absorber
to

body
bracket
and

tighten

lock

n
Jt
to
the

specifjcations

Tightening
torque

1

6
to
2

2

kg
m
121016
ft
lb

INSPECTION

I

Check
shock
absorber
for
visible

defects
and
oil

leaks
Place
shock

absorber

vertically
in

a
vise
and
hand

stroke
shock
absorber

as
outlined
be

low

Extend
and

compress
shock
ab

sorber

as
faI

as

possible
travelling
as

long
as

possible

If
smooth

hydraulic
resistance
is

not

present
in

bqth
Iirection
replace

absorber

2

Replace
rubber

bushing
if
crack

or
deterioration
is
detected
Front
Axle
Front

Suspension

Specifications
for

shock
absorber

Model

Item

Piston
stroke

mm
in

Damping
force

kg
lb

0
3

m
sec
0

98
ft
sec

j

Rebound

Compression

STABILIZER

REMOVAL

AND

INSTAUATION

I

Raise
vehicle
on
a

hoist
or
stands

2

Remove
wheel

3
Loosen

secUring
nut
at
the
lower

link
side
of

stabilizer

4

Remove
bolt

securing
stabilizer

mounting
bracket

to
chassis
frame

Install
stabilizer
in

the
reverse
se

quence
to
removal

noting
the
follow

ing
instructions

S
Attach
stabilizer

mounting
brack

et
to
chassis
frame

tightening
bolt
to

1
6
to
2
2

kg
m
12

to
16
ft

lb

torque

6
Install
stabilizer
lower
link
side

to

connecting
rod
and

tighten
nut
to
the

specifications
as
shown

in

Figure

FA
14
Then

torque
lock

nut
toJ
6

to

2
2

kg
m
12
to

16
ft
lb

F

A233

Fig
FA
14
Stabilizer
detail

INSPECTION

Check

stabilizer
for
deformation

FA
S
All
models

110
4
3

76
168

38
84

and
rubber

bushings
for

crack
wear

and
deterioration

Replace
if
ne

cessary

TENSION
POD

REMOVAL
AND

INSTALLATION

I

Raise
vehicle
on

a
hoist

or
stands

2
Remove

wheel

3

Remove
nuts

CD
from

both
ends

of
tension

rod

4

Remove
bracket
bolt

@
from
the

front
end
of
tension
rod
and
remove

tension
rod

with
bracket

CD

@

f
A234

Fig
FA
15
Ten
ion
rod

Install
tension

rod
in

reverse
00

qunce
to
removal

noting
the

following

instructions

UPPER
AND
LOWER

LINKS

REMOVAL
AND

INSTALLATION

Removal

I
Raise

vehicle
on
a
hoist
or

stands

2
Remove
wheel
and

brake
drum

as

an

assembly

3
Remove
wheel
hub
Refer
to
see

tion
Front
Axle

4

Loosen
bolts

retaining
brake
disc

to
knuckle

spindle
and

remove
brake

disc

5
Remove

knuckle
arm
torsion
bar

spimgJ
stabilizer
shock

absorber
and

tension

rod
in

t
ili
order

referring
the

related
sections

6
Remove

upper
fulcrum
bolt
se

curing
knuckle

spindle
support
to

upper
link

assembly
and
disassemble

them

7
Remove

upper
link

bushings
from

knuckle

spindle
support

8

Remove
screw
bushings
from

both
ends
of
lower
link
fulcrum

pin

9
Loosen
nut
at
lower

portion
of

knuckle

spindle
support
from
inside

and

pull
out
cotter

pin
retaining
ful

crum

pin

10
Pull

out
fulcrum

pin
with

drift

and
remove
knuckle

spindle

support

with
knuckle

spindle
from
lower
link

Then
detach
dust

cover

FA237

Fig
FA

19

Removing
fulcrum
pin

II

Remove
bolts

retaining
upper

link

spindle
and
remove

upper
link

spindle
with
camber

adjusting
shims

from

body
bracket
FrClnt

Axle
Front

Suspension

FA238

Fig
FA

20

Removing
upper
link

spindle

12
Remove
nut

retaining
lower
link

spindle
and
remove

lower
link

spindle

Remove
lower
link

with

torque
arm

from

mounting
bracket

13

Using
Transverse
Unk

Bushing

Replacer
ST36070000
to

lower
link

bushing
tap
it

with
a

hammer
and

drive

out
lower

link

bushing
from

bracket

F

A239

Fig
FA

21

Removing
lower
link

bushing

InstallatIon

Install

upper
and

lower
links
in

the

reverse

sequence
to
removal

noting

the

following
instructions

I

When
the

collar

inside
of

lower

link

mounting
bracket
and

bushing

outside

are
rusted

remove
rust
with

emery

paper

2

Fit
lower
link

bushing
into
lower

link

mounting
bracket

using
Trans

verse
Link

Bushing
Replacer

ST36070000
When

tapping
the
frift

with
a
hammer
be
careful

to
hit
the

drift

squarely

3

Secure
lower
link
to
lower
link

bushing
with
lower
link

spindle
and

torque
nut
to
74

to
8
0

kg
m
54

to

S8
ft
Ib

1

4
1n
4
Install

upper
link

spindle
to

upper

link

mounting
bracket
with

used

camber

adjusting
shims
and
bolts

Torque
bolt
to
7

0
to
9
0

kg
m
SI

to
6S
ft

lb

S

Install
dust
seat
to

the
lower
end

of

j
nuckle

spindle
support

6
Coat

grease
on
the
thread
of

fulcrum

pin
and
line

up
the

notch
of

fulcrum

pin
with

knuckle

spindle

sup

port
for

inserting
cotter

pin
Fit

fulcrum

pin
to

spindle
support
with
a

soft
hammer
Secure
cotter

pin
and

torque
lock
nut
to
0
8

to
1
1

kg
m

S
8

to
8
0
ft
lb

7

Coat

grease
to
the
tIuead

portion

of

screw

bushing
inside

liberally
Posi

tion

knuckle

spindle
support
at
the

center
of
lower
link
and
secure
screw

bushings
temporarily
by
hand
Mter

ascertaining
the
dimensions
become

correct
as
shown
in

Figure
F
A

22

torque
screw

bushings
to
20
to
30

kg
m

I4S
to
217
ft
lb

3

9
05
to

11
05

36
5
9
05
to
11
05

0
3563
to
0
4350

1
431
0
3563
to

0
4350

FA240

Fig
FA
22
In

tailing
IICrew
bu

hing

8

Replace
filler

plug
with

grease

nipple
and

pack
grease
until

grease

comes
out
from
dust
cover
Reinstall

filler

plug

9

Upon
installation
make
sure
that

fulcrum

pin

operates
smoothly
with

the

following
torque

Operating
torque

Less
than
0
5

kg
m
3
6
ft
lb

10
Install

upper
link

bushing
to

knuckle

spindle
support

I
I
Install
knuckle

spindle
support

to

upper
link
insert
fulcrum
bolt
and

torque
nut
to
3
9

to
S
3

kg
m
28
to

38
ft
lb

Note
When

installing
fulcrum

pin

insert
it

from
rearward

of
vehicle

12

Install

tension
rod
shock
ab

sorber

I
stabilizer
torsion

bar

spring

and

knuckle
arm

referring
to
the

related

paragraphs

13

Install
brake
disc

to
knuckle

spindle
and

torque
securing
bolt
to
4
2

to
5

0

kg
m
30

to
36
ft
Ib

14

Install
wheel
and
brake

drum
as

an

assembly
and

torque
knuckle

spin

dle

nut
to
8
0

to
9
0

kg
m
58
to
65

ft
Ib

DISASSEMBLY

AND

ASSEMBLY

Upper
link

I

Detach

upper
link

spindle
from

upper
links
and

remove

clamp
dust

cover
and
dust
seal
Secure

upper
link

in
a
vise
and

loosen
screw

bushing

Assemble
link

spindle
in
reverse

sequence
to

disassembling
noting
the

following
instructions

2

Torque
screw

bushing
on

upper

link
to
3S
to

55

kg
m
253
to

398

ft
Ib

Install
new
dust
seal
and
dust

cover
and
secure
them
with

clamp

3

Coat

grease
to

screw

bushing
in

side
and
the
thread

portion
of

upper

link

spindle

liberally
Screw
front
and

rear
links
to

upper
link

spindle
in
the

same

length
so
as
to
obtain

the

speci

fied

figures
as
shown
in

Figure
FA

23

Unit
mm
in

I

44

6
1
156
FA2

Upper
link

and

upper
link

spindle
Fig
FA
23
Front
Axle
Front

Suspension

4

Make
sure
to

operate
upper
link

spindle
smoothly
after

installation

5

Replace
filler

plug
with

grease

nipple
and

pack
grease
until

grease

comes
out
from

dust
cover

Reinstall
f1ller

plug

Lower
link

When

installing
torque
arm
on

lower
link

tighten
it

to
the

following

specifications

Serration
boss

1
8

to
2

6

kg
m

13
to

19
ft

Ib

Arm

head

2
7

to
3
7

kg
m

20
to

27
ft
tb

INSPECTION

Upper
link

spindle
fulcrum

pin

and
screw

bushing

Apply
screw

bushing
to

upper
link

spindle
or
fulcrum

pin
and
measure

axial
end

play
between

them

When
the
end

play
exceeds
0
35

mm
0

0138
in

replace

upper
link

spindle
or
fulcrum

pin
together
with

screw

bushings

Condition

Vehicle

empty
no

payload

Vehicle
loaded

Notes

a
Vehicle

empty
no

payload
consists

of
the

following
conditions

I
Full

tank
of

gasoline
radiator

f1lled
and

engine
oil
level
full

2

Spare
tire
wheel

jack
and

jack

handle
in

design
position

b
Vehicle
loaded
consists
of
the
fol

lowing
conditions

For
all
models
2

persons
and
SIlO

leg
I
103lb

payload

FA
Check
the
screw
of

upper
link

spindle
fulcrum

pin
and
screw
bush

ing
and

repair
or

replace
if

necessary

Note

Discard
dust
cover
and

dust
seal

when
disassembled

ADJUSTMENT

VEHICLE
POSTURE

Vehicle

posture
may
be
incorrect

due

to
weakened

spring
or

other

faulty

condition
The

following
procedures

are

necessary
when

adjustment
is

Ie

quired

That
is

the
vehicle

posture
can
be

adjusted
by

obtaining
only
the

speci

fied
H

dimension

changing
the

length
of
anchor
bolt

I

Raise
front
of
vehicle

on
stands

2

Adjust
H

dimension
with

turn

ing
nut

adjusting
anchor
bolt
H

dimension

changes
approximately
3
5

mm
0

J38
in

vertically
when

adjust

nut
is
turned

one

complete
turn

3
To

make
the
best

vehicle

posture

H
dimension
must
be
in
the
follow

ing
range

H

dimension
mOl

in

All
models

79
to

84
3

11
to
3
31

54
5
2

15

o
i

Fig
FA

24
FA242

Dimension

for
standard

vehicle

postl4re

WHEEL
ALIGNMENT

Correct
front
wheel

alignment

attains

proper
vehicle

handling
charac

teristics
and
the
least

steering
effort

with
a
minimum
amount
of
tire
wear

Before

adjusting
front
wheel

align

ment
make
sure
to

carry
out
a

pre

liminary
inspection
of
the
front
end

parts
for
the

following
conditions

1
Tire

pressure
and

balance

2
Wheel

bearings
and
nuts

3

Steering

gear
play

4

Steering
gear

housing
at
frame

S

Steering
linkage
and
connections

6
Shock
absorber
action

When

using
the

equipment
for
front

wheel

alignment
inspection
follow
the

inst

c
tions
furnished

with
the

equip

ment
Furthennore
the

inspection

should
be
made
with
the

vehicle
level

and
at

curb

weight

Camber
and

caster

Measure
camber
and
caster

and

adjust
them
in

accordance
with

the

following
procedures
if

necessary

Both
camber
and
caster

are
ad

justed
by
increasing
and

decreasing

thickness

of

adjust
shim

inserted
be

tween

upper
link

spindle
and

upper

link

mounting
bracket

To

adjust
caster

make
a

difference

between

thickness
of
front

and
rear

shims

By

adding
a
shim

I
mm
0

039

in

at
front
side

caster
will
be
de

creased

by
33

At
the

same
time

camber

will
also
be

decreased

by
6
S

To

adjust
camber
add
or
remove
an

equal
amount
of

shims
to
front

and

rear
sides

By

adding
a

pack
of
shims
I

mOl
0
039
in

thick
at
both

sides

camber

will

be
decreased

by
13

Shims

are
available
in
I

mm
0
039

in
2

mOl
0
079
in
and
4

mOl
0
157

in

thickness
Front
Axle
Front

Suspension

FA243

Fig
FA

25

Adjustingcamberand

cCJ
ter

Notes

a
Do
not
make
difference

between

front

and
rear
shims

in
thickness

beyond
2
mm

0
079
in
on
a

upper

link

spindle

b

Umit
shim
thickness
for

anyone

stack
within
6

nun
0

236
in

c
Do
not

use
shims
for

anyone
stack

more
the
2

sheets

Toe
in

Measure
toe
in

and

adjust
if
neces

sary
For

adjustment
carry
out
the

follOWIng
procedures

Turn

steering
wheel
to

straight

ahead

position
with
front
wheels
in

the
same

position
Then
check

steer

ing
gear
straight
ahead

position

Loosen
lock
nuts

@
left
hand

thread
and

ID
right
hand
thread

and
turn
cross
rod

CD
to

adjust
toe
in

Turn

cross
rod
to
forward

direction
as

shown

by
arrow
and
toe
in
is

reduced
When

cross
rod
is
turned
to

opposite

side
toe
in
is
increased

After

correct
toe
in
is

obtained

tighten
lock
nut

to
8

0
to
10

0

kg
m

S8
to

72
ft
Ib

r
J

r

CD

0

HI

r
I

e

f

FA244

Fig
FA

26

Adju6ting
toe
in

STEERING
ANGLE

Check

steering
angle
and
use
the

follow

ng
procedures
if

necessary

Loosen
lock
nut
at

stopper
bolt
and

adjust
steering
angle
with

stopper
bolt

Mter

obtaining
correct

steering

angle

secure
lock
nut

firmly

FA245

Fig
FA

27

Adjusting
steering
angle

Model
Item

All

models

mOl
in
1
2
to
3
0
079
to

0
118

Toe
in

degree
2

10
to
16

Camber

lOIS
Io

Caster
10SO

4S

I
60IS

Kingpin
inc

inal10n

I
Inner
wheel

360
10

Steering
angle

I
Outer
wheel

310
10

1
The

extreme
front
and

rear
of
the
tire

center

Unladen

2
The
total

angle
of

the
both
tires

FA
12

S

Apply
wheel

bearing
grease
in

wheel

bearing
and

recess
of
axle

case

end

Lubricating
portion

AA143

Fig
RA
l1

Lubricating
portion
in
and

around
wheel

bearing

6

Apply
gear
oil
to
the

spline
at

the

inner
end

of
axle
shaft

Apply
a

coal

of
wheel

bearing
grease
on
the

seal

surface
of
the
shaft

7

Install
left
or

right
shaft
and

adjust
axial
end

play
by
applying
rear

axle
case
end
shim
indicated

by
arrow

mark

Axial
end

play
0
3
to
0
9
mOl

0
012

to
0
035
in

Standard
shim
thickness

1
5
mm
0
059
in

Tightening
torque
of

bearing
cage
fIXing
nut

54
to
6
4

kg
m

39
to
46
ft
lb

w

AA144

Fig
RA
12
Installing
rear
axle

shaft

Rear

axle
case
end
shim

Thickness
mOl
in

O
OS
0
0020

0
07
0
0028

0

10
0
0039

0
20
0

0079

O
SO
0
0197
Rear
Axle
Rear

Suspension

8
Install
shaft
in

opposite
side

and

adjust
axial
end

play
by
applying
shim

Axial
end

play
0
02
to
O
IS

mOl

0
0008
to
0
0059
in

Tightening

torque
of

bearing
cage

fixing
nut

5
4
to
6
4

kg
m

39
to

46
ft
Ib

Fig
RA
13

Measuring
axial
end

play

9
Install
other

parts
in

reverse
se

quence
to
removal

REAR
AXLE
CASE

Rear

axle

case

may
be
removed

and

installed

using
the

following
pro

cedures

I
Raise
rear
of
vehicle
and

support

securely
under
both
frame
members

with

stands

2
Remove
rear
axle

assembly
See

removal
of

rear
axle

assembly

3
Remove

rear
axle
shaft
at
both

sides
See
removal
of
rear
axle
shaft

and
wheel

bearing

4

Remove
differentiai
carrier

as

sembly

Installing
can
be

proceeded
in
the

reverse
order

of
removal

procedure

Another

procedure
is

available
as

listed
below

I

Raise
rear
of
vehicle
and

support

under
both

frame
members
with

stands

2
Remove
ear
axle
shaft
at
both

sides

3
Remove

differential

gear
carrier

assembly

4
Remove

rear
axle
case

RA
5
Installing
can
be

proceeded
in
the

reverse
order
of
removal

procedure

Tightening
torque

Differential
carrier
to
axle
case

fixing
nut
I
7

to
2
5

kg
m

12
to
18
ft

Ib

Oil
drain
and
fIller

plug

6

to
10

kg
m

43

to
72

ft
lb

REAR
SPRING

1
Raise

rear
of
vehicle
and

support

under
both
frame
members
with

stands

2
Disconnect
shock
absorber
at

lower
end

CD
and
remove
U

bolts

Spring
clips

2

3
Position

jack
under
rear
axle
case

Raise
jack
and
float
axle

case
from

spring

4
Disconnect
rear

spring
shackle

by

removing
nuts

AA147

Fig
RA
15
Removing
spring
shackle

5
Disconnect

spring
from
body
by

removing
spring
front

pin

Rear
Axle
Rear

Suspension

Spring
front

pin

Spring
shackle

Bearing
cage

fIXing
bolt

Wheel

bearing
lock
nut

Air
breather

Differential

gear
carrier

to
axle
case
nut

Propeller
shaft

flange
bolt

Drain
and
filler

plug

Bumper
rubber

fixing
bolt

Wheel
nut
kg
m
ft
lb

kg
m
ft
Ib

kg
en
ft
lb

kg
m
ft

Ib

kg
m
ft
Ib

kg
m
ft
Ib

kg
en
ft
Ib

kg
m
ft

Ib

kg
m
ft
Ib

kg
m
ft

lb
11
5
to
13
0
83

to
94

11
5

to
13

0
83
to
94

S
4
to
6
4
39

to
46

IS
to
20
108

to
l4S

0
7

to
0

9
S
I

to
6
S

17
to
2
7

12
to
20

2
0
to

2
7

14
to
20

6
to
10
43

to
72

1
6
to
2
2

12
to
16

8
to
9
S8

to
6S

TROUBLE

DIAGNOSES

AND
CORRECTIONS

When

rear
axle
and

suspension
is

suspected
of

being
noisy
it
is

advisable

to
make
a

thorough
test
to
determine

whether
the
noise

originates
in

the

tires

road
surface
exhaust

propeller
shaft

engine
transmission
universal

joint
wheel

bearings
or

suspension

Noise
which

originates
in

other

places
can
not

be
corrected

by
adjust

ment
or

replacement
of

parts
in
the
rear
axle

and
rear

suspension

In
case
of

oil
leak

first
check
if

there
is

any

damage
or

restriction
in

breather

Condition
Probable
cause

Noise
Loose
wheel
nuts

Loose
one
or

more

securing
bolts

Lack
of

lubricating
oil
or

grease

Faulty
shock
absorber

Incorrect

adjustment
of

rear
axle
shaft
end

play

Damaged
or
worn
wheel

bearing

Worn

spline
portion
of
rear
axle
shaft

Broken
leaf

spring

Loose

journal
connections

or
so
no

Wheel
and
tire

unbalance

Damaged
rubber

parts
such
as
leaf

spring

bush
shock
absorber
moun

ting
bush

Faulty
universal

joints

Instability
in

driving
Loose
wheel
nuts

Worn
shock
absorber

Worn

or
broken
leaf

spring

Oil

leakage

Damaged
or

restricted
air

breather

Damaged
oil
seal
in

rear
axle
case
or
differ

ential
carrier

Oil

leakage
from
between
the
differential

carrier

and
axle
case

RA
8
Corrective
action

Tighten
the

wheel
nuts

Tighten
the

bolts
to
the

specified
torque

Lubricate

as

required

Replace
the
shock
absorber

Adjust
the
rear
axle

shaft
end

play

Replace
wheel

bearing

Replace
if

necessary

Replace
leaf

spring

Tighten
to

the

given
torque

Balance
wheel

and
tire

Replace
the

required
parts

Adjust
or

replace

Tighten
to
the

given

torque

Replace
faulty
shock
absorber

Replace
leaf

spring

Clean
or

replace
air

breather

Replace
the

damaged
oil
seal

Tighten
to
the

specified
torque
or

replace

gasket

The
620

series
vehicles

are
equip

ped
with

hydraulic
brakes

on
the
four

wheels
and
mechanical
hand
brakes

on

the
rear
wheels
The
front
brake
is

the
uni
servo

type
and
the
rear
the

duo

servo
with
the
built
in

hand

BRAKE
PEDAL

FRONT
BRAKE

REAR
BRAKE

BRAKE
PEDAL

Qi

f

l

II

t

Unit

mm
in

I
Under
the
condition
that
the

push
rod
of
brake

lamp
swi

tch
is

pushed
in

position
the

height
of
brake

pedal
from
toeboard
to
148
mm
5
83

in

operating
the
switch

adjusting

nuts
Then

tighten
nuts

securely

Tightening
torque

1
2

to
1
5

kg
m

9
to
I
I
ft
Ib

2

Adjust
the

length
of

push
rod
Brake

System

GENERAL
DESCRIPTION

brake
The
mechanical
hand
brake
is

controlled

by
a
hand
brake
lever
locat

ed
in
the
driver

s

compartment

For
added

safety
the
tandem

I
1lI3ter

cylinder
Master
Vac
and

Nissan
Load

Sensing
Valve
N

L
S
V

ADJUSTMENT

CONTENTS
are
standard

equipment
on
all
models

The
Master
Vac
is
installed
to
increase

braking
force
The
N
L

S
V
ensures

greater
safety
and

reliability

BR
2

BR
2

BR
3
HAND

BRAKE

Parking
brake

BLEEDING
HYDRAULIC
SYSTEM
BR
3

BR
3

Free

height

Full
stroke
at

pedal
pad
A
148

5
83

B
134

10
140

5
28
to
5
51

C
43
to
49

1
69

to
1
93
Depressed
height

1
Push
rod

adjusting
nut

2
Switch
adjusting
nuts

3
BraKe

lamp
switch

BA765

Fig
BR
l

Adjusting
brake

pedal

with
its

adjusting
nut
so
as
to
become

0
6
to
1
2
mOl
0
024
to
0

047
in
in

play
Then

tigh1en
nut

securely

Tightening
torque

1

6
to
2

2

kg
m

12

to
16
ft
lb

Note
Take
care
not
to
allow
the

push

rod
to

get
into
master

cylinder
in

free
condition

BR

2
3
After
completing

adjustment

operate
brake

pedal
several
times
to

ensure
that
it
travels
over
its
entire

stroke
of
137
mm
5

39
in

smoothly

without

showing
squeak
noise
twist

ing
or
interference

FRONT
BRAKE

1
Raise

vehicle
until
wheel
clear

floor

2

Remove
rubber
boot
from
brake

disc

3

Ughtly
tap
adjuster
housing
and

move
it

forward
Turn
down

adjuster

wheel
with
a

screwdriver
and

spread

brake
shoes

Stop
turning
adjuster

wheel
when
a
considerable

drag
is
Jelt

and
lock

up
brake
drum

Note
For
both

right
and
left
brakes

brake
shoes

spread
when

adjuster

wheel
is
turned
downward

4
Return

adjuster
wheel
12
ratches

to
obtain
correct
clearance
between

brake
drum
and
brake
shoes
Turn

brake
drum
and
make
sure
that
brake

drum
turns
without

dragging
when

brake
shoes
interfere
with
brake
drum

then

readjust
clearance

5

Install
rubber
boot