torque DATSUN PICK-UP 1977 Service Manual

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

Rear
Axle
Rear

Suspension

REAR
AXLE
AND

REAR
SUSPENSION

DESCRIPTION

REMOVAL
AND
INSTALLATION

Rear
axle

assembly

Rear
axle

shaft
and
wheel

bearing

Rear
axle

case

Rear

spring

1
1

1
Air

breather

2
Thrust
block

3
Nut

T

3
1
to
4

1

kg
m

22

to
30
ft
lb

4

Shock
absorber

mounting
rubber

bush

5

Rear

spring
clip
V
bolt

6
Rear
axle
oil
seal

spacer

7
Rear
axle

shaft
oil
seal

Supply
wheel

bearing
grease
to

oil
seal

lip
when

assembly

8
Rear
axle

bearing
lock
nut

T
15
to
20

kg
m

10810

145
ft
b

9
Rear
axle

bearing
lock
washer

10
Plain
washer

11
Rear
axle

bearing
cage

12
Road
wheel
bolt

13
Road
wheel
nut

T

8t09kg
m

58
to

65
fl
Ib
CONTENTS

RA
3

RA
3

RA

3

RA
4

RA
5

RA
5
Shock
absorber

tNSPECTION

Rear
axle
shaft

and
wheel

bearing

Rear
axle

case

Rear

spring

Shock
absorber
RA

6

RA
fJ

RA
6

RA6

RA
fJ

RA
fJ

4

I
J

i
I

L
J

@

14
Wheel

bearing

15
Rear

axle

bearing

grease
seat

Supply
wheel

bearing
grease
to

oil

seal

lip
when

assembly

16
Rear
axle

bearing

spacer

17
Rear
axle

shaft

18
Grease
catcher

19

Bearing
cage
bolt

20
Rear
axle
case
end

shim

21
Nut

T
5
4

to
6
4

kg
m

391046
ft
lb

22
Rear

spring
pad

23
Rear

spring

24
Nut

T
7
3
to
9
9

kg
m

53

to
72
ft4b

25
Nut

T
1
610
2

2kg
m

12
to
16
fHb

26
Shock
absorber

rubber
bush

27
Shock
absorber

Fig
RA
I

RA

2
o

RA132

28
Rear
axle
case

29
Filler

ptug

T

6toIOkg
m

43
to
72
ft4b

Oil

capacity
about
1
0
liter

1

US
qt
7
8

Imp
qt

30
Drain

plug

T

6to

10kg
m

43
to
72
fHb

31
Nut

T
11
5
to
13
0

kg
m

83
to
94
fHb

32
Rear

spring
rear
bush

33
Rear

spring

34
Rear

spring
shackle

35
Nut

T
1
1
5
to

13
0

kg
m

83
to

94
fHb

36
Rear

spring

37
Rear

spring
front
bush

38
Rear

spring
front

pin

T

Tightening
torque

Crou
uctional
view

of
rear
a
xl
and

uapension

DESCRIPTION

The
rear
axle

assembly
is
of

the

semi

floating

type
in

which
the
vehicle

weight
is

carried
on
the
axle
shafts

through

bearings
enclosed
in
the

bear

ing
cages
on
outer

rear
axle

case
The

axle
case
is
a

pressed
steeJ

Banjo

type
housing

The

rear
axle

assembly
is

attached

to
the
frame

through
semi

elliptic
leaf

springs
and

telescopic
hydraulic
shock

absorbers

Rubber

bushings
at

either

end
of

the
leaf

springs
and
shock

absorbers

are

designed
to
absorb
vibra

tion
and
noise

The
rear

axle
shaft

splines

engage

the
differential

side

gears
with

a
float

ing
fit
The

outer
ends
are

supported

in
the

bearing
cages
by
tapered
roller

bearings

The

bearings
are
lubricated

by

wheel

bearing
grease
The
axle
shaft
oil

seals

are
located

outboard
and

inboard

of
the

bearing
The

bearings
are

se

cured

against
shoulders

on
the
shafts

by
press
fit

and
held
in

place
by
a

large
nuts

The

bearing
cages
hold
the

bearings

against
shoulders
on
the
axle

case

Whee
side
thrust
is
taken

at
the

wheel

bearings

through
the
thrust

block
so
an
axle
shaft

may
be

re

moved

simply
by

removing
the
bolts

holding
the
brake
disc
to
the

bearing

cage
and
the
rear
axle
case

REMOVAL
AND

INSTALLATION

REAR
AXLE

ASSEMBLY

It
is
not

necessary
to
remove
the

reaT
axle

assembly
for

any
normal

repairs

However
if
the

axle
case
is

dam

aged
the
rear
axle

assembly

may
be

removed
and

installed

using
the
fol

lowing
procedures

I

Raise
rear

of
vehicle

high

enough

to

permi
t

working
underneath

Place
a

jack
under
center
of
axle
case

so
it

just

starts
to

raise
rear
axle

assembly

Place
stands

solidly
under
frame

members
on
both
sides
Remove

rear

wheels
Rear
Axle
Rear

Suspension

2

Mark

relationship
across

propeller

shaft

flange
and

companion

flange
of

differential
carrier
so
that
the

original

combination
is
restored
at

assembly

3

Remove
bolts

retaining
center

bearing
bracket
and

connecting
shaft

to

companion
flange
Withdraw

pro

peller
shaft
sleeve

yoke
from

transmis

sion

by
moving
the

shaft
rearward

passing
it
under

rear
axle

4

Disconnect
rear
hand

brake
cable

Q
by

removing
adjusting
nut

@
three

clamps
ID
and

connector

@

Slide
front
cable

rearward
and

discon

nect
rear

cable

@
at
connector

ID
by

removing
three

clamps
ID

5

Disconnect

rear
brake

hose
at

frame

@
Cover
brake
hose

and

pipe

openings
to

prevent
entrance
of

dirt

6

Disconnect

shock
absorbers
at

lower
end

f
and

push
shock
ab

sorbers

up
out

of
the

way

7

Lower

jack
under

axle
case
Re

move
U

bolts

spring

clips
@
to

separate
axle
case
from

spring

8

Place
a

jack
under

center
of
axle

case
Pass
axle

case

through

space

above

spring
and
take
it

out
to
the

side

RA134

Fig
RA
3

Removing
rear

axle

assembly

9
Install

the
axle
case

assembly
in

the
reverse
order

of
removal

RA
3
RA312

Fig
RA
2
Under
view

Tightening
torque

U
bolt

Spring

clip

7
3
to

9
9

kg
m

53
to
72

ft
lb

Shock
absorber

lower
end
nut

1
6
to
2
2

kg
m

12to

16ft
Ib

Brake

pipe
flare

nut

I
S
to
1
8

kg
m

II

to
13
ft
Ib

Propeller
shaft
to

companion

flange
connecting
bolt

2
0
to

2
7

kg
m

14
to
20
ft
Ib

Center

bearing
bracket

fixin
holt

1
6
to
2
2

kg
m

12
to
16
ft
Ib

REAR
AXLE
SHAFT

AND

WHEEL

BEARING

I
Raise
rear
of
vehicle
and

support

under
axle
case
on
stands
Remove

rear
wheel

2
Disconnect

rear
hand

brake
cable

by
removing
adjusting
nut
and

clamps

3
Disconnect

brake
tube
at
rear

wheel

cylinder
Cover
brake

tube
and

wheel

cylinder
openings
to

prevent

entrance
of
dirt

4

Remove
brake

drum

Not

If
brake

drum
cannot
be

easily

removed
return

brake

adjuster

install

two
bolts

M8
x

I
2S
in

holes
on
the

flange
face
of
brake

drum
and

tighten
bolts

evenly
until

brake
drum
is
driven

out

5

Remove

nuts

retaining
wheel

bearing
cage
to
brake
disc

I

Jq
AA135

Fig
RA
4
Removing
nuts

AA418

Fig
RA
5

Removing
rear
axle

shaft

assem

bly

7

Remove
oil
seal
in

axle
case
if

necessary
and
install

new
seal
Insure

against

damaging
the

seal

lip
Rear
Axle
Rear

Suspension

8

Position

axle
shaft
in
vise

with

Rear

Axle

Stand
ST07630000

9
Unbend
lock
washer

with
a
screw

driver

Note
Do

not
use
used
lock

washer

again

RAl38

Fig
RA

6
Unbending
lock
washer

10
Remove
lock

nut

using
Rear

Axle

Bearing
Lock
Nut

Wrench

ST38020000

I

AA139

Fig
RA
7
R

mouing
lock
nut

II
Withdraw
wheel

bearing
to

gether
with

bearing
cage
and
brake

disc

using
Rear
Axle
Shaft

Bearing

Puller
HT72480000

HT72480000

r

t

Rvr

G

l
AA343

Fig
RA
8

Removing
bearing
o

12

Remove
oil
seal
in

bearing
cage

if

necessary

13

To
remove

wheel

bearing
outer

race

after
removed
oil
seal

apply
a

brass
drift
to
race

side
surface
and

withdraw
it

by
tapping
the

lop
of

drift
with

a
hammer

Installing
can
be

proceeded
in
the

reverse

order
of
removal

procedure
as

follows

RA
4
I
Fit

wheel

bearing
outer

race

by

tapping
with
a

brass
hammer

evenly

while

fitting

2
Install

a
new

oil
seal
in

bearing

cage
Lubricate

cavity
between
seal

lips
with

wheel

bearing

grease
after

fitting
seal

3
Place

bearing
cage
with
brake
disc

and

bearing

spacer
on
axle

shaft
and

fit

bearing
cone

To
install

bearing

cone

apply
a
brass
drift
to
race
side

surface
and

tapping
the

top
of
drift

with
a

hammer

AA141

Fig
RA
9

Installing
whetl

bearing

4
Place

bearing
lock
washer

Q
and

bearing
nut
lock
washer

@
on
axle

shaft

and

tighten
lock
nut

@
using

Rear

AJde

Bearing
Lock
Nut

Wrench

ST38020000

and
bend

up
lock
wash

er

Notes

a
Be

careful

to

place
the
faced

side
of

nut
to
washer
side
so

that
washer
is

not

damaged

b
Coincide
washer

lip
with
nut

groove

correc

ly
by

tightening
nul
and

bend
washer

carefuljy
so
that

lip

will
nol
be

damaged

Tightening

torque

IS
to
20

kg
m

J08
to
14S
ft
Ib

t
i

i

f

ifii
itf

L

4

S

11

iI
i

j

pu
y
J
t

Mf

i

I

AA142

Fig
RA
IO
Layout
of
ock
nut

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

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

Rear
Axle
Rear

Suspension

SERVICE
DATA
AND
SPECIFICATIONS

Applied
model

All
models

Item

Rear
shock
absorber

Stroke
x
Maximum

length

mOl
in
190
x
47S
7
48
x

18
70

Damping
force

at
0
3
m
1
0
ft
sec

Expansion
kg
lb
75
to
101
165
to
223

Compression
kg

lb
3S
to
S3
77
to
1l7

Standard
Option

Rear
leaf

spring

Dimensions

Length
x

Width

x
Thickness

Number
of
leaves

mOl
in
1
200
x

60
x
6
3

5
1

13
1

47
24
x
2
36
x
0
24
3

0
20
1

0
51
1
1

200x60x
72

6
1

13
2

47
24
x
2
36
x
0

28
2

0
24
1

0
512

Free

camber
mOl
in
IS3

6
0
140
S
5

Laden
camber

mmlkg
in
lb

6
440
0
24
970
24
440
0
94

970

Spring
constant

kg
mOl

lb
in
2
1

to
S

O
118
to
280
2
6

to
10
0
146
to
S60

Rear

axle

End

play
mOl
in
0
02
to
O

IS
0
0008
to
0
0059

Rear
axle

case
end
shim

thickness
mm
in
O

OS
0
0020

0

07
0
0028

0
10
0
0039

0
20
0
0079

0
50
0

0197

Recommended
for

use
on

heavy
load
under

high
center
of

gravity
such
as

camper
loading

Tightening
torque

Shock
absorber

upper
end
nut

Shock
absorber
lower
end
nut

Rear

spring
U

bolt

Clip
kg
m
ft
lb

kg
m
ft
Ib

kg
m
ft
lb
3
1

to
4

1
22
to
30

1

6
to
2

2
12

to
16

7
3
to

9
9
53
to
72

RA
7

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

3

Hook
return

spring
to

brake

pedal

assembly
from
accelerator

pedal
side

4

Apply
a

coating
of
recommended

multipurpose
grease
to
the
inner
and

outer
faces
of

pedal
bushing
clevis

pin
and
hooks

of
return

spring

Charge
the
clearances
in

bushings
with

grease

Grease

m
n

L

g

U

BR298

Fig
BH

7
Greasing
place

5

lnstali
brake

lamp
switch

6

Adjust
the
brake

pedal
after
in

stallation
Refer
to
the

instructions

under

Adjustment

Tightening
torque

Fulcrum

pin

1

9
to
2
4

kg
m

14to

17ft
ib

MASTER
CYLINDER

The
diameter
of

cylinder
is
19
05

mm

y
in
for

all
models

The
tandem

master

cylinder
contains
two
fluid

reservoirs
which

connect
the

front
and

rear
brake

lines

independently

Braking
force
is

constantly
main

tained
when
failure
occurs
in
either

the
front
brake

system
or

the
rear

brake

system
Failure
in
the

front

brake

system
will
leave
the

rear
brake

still

operative
or

failure
in
the
rear

brake

system
will
leave
the
front
brake

system
still

operative

The
reservoir
is

eq
ui

pped
with
a

retention

cap

To
remove
this

cap
proceed
as

follows

I
Tum
retention

ring
fully
in
the

REMOVE
direction

2
Pull
out
retention

cap
Brake

System

To
install
it

proceed
as
follows

I
Turn
retention

ring
used
in
the

retention

cap
fully
in

the
REMOVE

direction

Tokico

@

1tr

I

I

I
j
1

Nabco

BR926
2

Align
the

projection
in
retention

cap
with
the
slit
in
the
reservoir
tank

and

push
retention

cap
in
the
tank

3
Turn
retention

ring
fully
in
the

TIGHTEN
direction

00
CD
1
Reservoir

cap

2

Reservoir
tank

3
Secondary

piston
return

5pring

4

Stopper
screw

5

Secondary

piston

6
Primary

piston
return

spring

7
Primary

piston

Fig
BR
B
Sectional
view

of
tandem
master

cylinder

o

BR658

Fig
BR
9
Master

cylinder

BR
5
REMOVAL

1
Disconnect

front
and
rear

brake

tubes
from

master

cylinder

Notes

a
When

removing
brake
tubes
use

Flare
Nut

Torque
Wrench

GG94310000

Never

use

open
end
or

adjustable

wrench

b
When

disconnecting
brake
tubes
be

sure
to
use
a

container
to
receive

draining
brake
flnid
Use
of

rags
is

also

suggested
to

keep
adjacent

parts
and
area
clean

2
Remove
master

cylinder
securing

nut
Then
master

cylinder
can
be

taken

out