height adjustment DATSUN PICK-UP 1977 Service Manual

l
t

tJ
I

P

o

CUll

Fig
CL
9

Lubricating
poinu
of

withdrawal
lever
and

front
cover

4

Contact
surfaces
of
transmission

main

drive

gear
splines
lithium
base

grease
including
molybdenum
disul

phide

Note

Very
IIIIJllII
amount
of

grease

should
be
ated
to
the
above

points
If
too
much
iubricant
is

applied
it
will
run
out
on
the

friction

plates
when
hot

resulting

in
d

gi
dutch
disc

facings

3
Install
retainer

spring
to
with

drawal
lever
Fit
holder

spring
to

release

bearing
and
sleeve

assembly

then
assemble
withdrawal
Iever
and

bearing
sleeve
as
a
unit
Install
this

assembly
on

transmission
case
Then

install
dust

cover

Pilot

bushing

Before

installing
a
new

bushing

thoroughly
clean

bushing
hole
Install

bushing
in
crankshaft

using
a
soft

hammer

Bushing
need
not
be
oiled

INSPECTION

Wash
all
the
disassembled

parts

except
release

bearing
and
disc
assem

bly
in
suitable

cleaning
solvent
to

remove
dirt
and

grease
before

making

inspection
and

adjustment

Flywheel
and

pressure
plate

Check
friction
surface
of

flywheel

and

pressure
plate
for

scoring
or

roughness
Slight
roughness
may
be

smoothed

by
using
fme

emery
cloth

If
surface

is

deeply
scored
or

groov

ed
the

part
should
be

replaced

Clutch
disc
at
llembly

Inspect
clutch
disc
for

worn
or

oily

facings
loose

rivets
and
broken

or

loose

torsional

springs
CLUTCH

I
If

facings
are

oily
the
disc
should

be

replaced
In
this
case

inspect
trans

mission
front
cover
oil
seal

pilot

bushing
engine
rear
oil
seals
and
other

points
for
oil

leakage

2
The
disc
should

also
be

replaced

when

facings
are
worn
locally
or
worn

down
less
than
0
3
mm
0
0118
in

at

revels
See

Figure
CL
IO

DePth

ll
I

gauge

II

1
i
h

1

j1
t

f

Above

0
3
rom

10
012
in

CL089

Fig
CL
I0
Me
JIuringclutch

lining

3
Check
disc

plate
for
runout
when

ever
the
old
disc
or
a

new
one
is

installed

4
If

runoutexceeds
the

specified

value
at

the
outer
circumference
Ie

place
or

repair
disc
See

Figure
CL
II

Runou

t

0
5
mm
0
020
in

total
indicator

reading

R

from
the

hub
center

107
5
mm
4

23
in

CL112

Fig
CL

ll

MeOlUring
disc
runout

5
Check
the
fit
of
disc

hub
on

transmission
main
drive

gear
for

smoothly
sliding
If

splines
are
worn

clutch
disc
or
main
drive

gear
should

be

replaced
that

is
backlash
exceeds

0
4

mm
0
016
in

at
the
outer

edge
of

clutch
disc

Clutch

cover

assembly

I
Check

the
end
surface
of

dia

phragm
spring
for
wear

CL
4
If
excessive
wear
is

found

replace

clu
tch
cover
as
an

assembly

2
Measure
the

height
of

diaphragm

spring
as
outlined
below

See

Figure

CL
12

a
Place
Distance
Piece
ST20050100

on
Base
Plate
ST20050010
and

then

tighten
clutch
cover

assembly

on
the
base

plate
by
using
Set
Bolls

ST20050051

b
Measure

diaphragm
spring
toe

height
A

at
several

points
with
a

vernier

caliper

depth
gauge

STl0050100

rJrf
I
Tl

05001O

f

7

C
L23

STl005Q051

Fig
CL
12

Me
uring
the

height
of

diaphragm
pring

If
the

height

A
of

spring
end
is

beyond
the

specified
value
of
33
to
35

mm
1
23

to
1
38
in

adjust
the

spring

height
with

Diaphragm
Adjusting

Wrench
ST20050240
See

Figure

CL

13

If

necessary
replace
clutch

cover
as

an

assembly
Also
unevenness
of
dia

phragm
spring
toe

height
should
be

less
than
05
mm
0
020
in

ST20050240

CL152

Fig
CL
13

AdjlUting
the

spring
height

3

Inspect
thrust

rings
for
wear
or

damage
As
these

parts
are
invisible

from
outside
shake
cover

assembly
up

and
down
to
listen
for

chattering

noise
or

lightly
hammer
on
rivets
for
a

slightly
cracked
noise

Any
of
these

noises
mean

requirement
for

replace

ment
as
a

complete
assembly

Stroke
30
mm

Jt
i
I
1
18
in

Sj

1

i
J
o

Fig
CL
15
Non

adj
table

operating

cylinder

CLUTCH
PEDAL

Removal
and

installation

Removal
See

Figure
CL
16

1

Pry
off
cotter

pin
and
take
out

clevis

pin
disconnect

push
rod
from

pedal
assembly

2
Unhook

return

spring
Loosen
off

fulcrum

pin
and
remove

pedal
as

sembly

CfJ

W5
6

3

ch

fD

ij

ll

i
A
1
aevis

pin

2
Cotter

pin

3
Return

spring

4
Pedal
boss

S
Pedal

assembly

6
Bush

7

Nut

8
Push
rod

9
Fulcrum

pin

Fig
CL

16

Exploded
view

of
clutch

pedal

Note
Before

removing
clutch

pedal

note
toe
board

clearance
at

pedal

pad

Installation

To

install

reverse
the

order
of

removal

Apply
multi

purpose
grease

to

the
friction
surfaces
of

the
disas

sembled

parts
as

shown
in

Figure

CL
17

Tightening

torque

Pedal

installation
bolt

Fulcrum
pin

1

9
to
2
4

kg
m

14
to
17
ft
Ib

Lock

nuts
A
and
B

0
8
to
1
2

kg
m

5
8
to
8
7
ft
lb
CLtJTCH

Note
Refer
to

Figure
Clot8
for
the

correct
direction
of
return

spring

1

Pedal

assembly

2
Push
rod

3
Return

spring

eL116

Fig
CL

1B

Hooking
return

pring

Inspection
and

adjustment

Clean
all
the

following
parts
in

cleaning
solvent
and
check
for
wear

damage
or

any
other
abnormal
condi

tion

Replace
the

parts
which
are

faulty

1
Return

spring

2
Bush

3
Pedal
boss

etc

CL
6
1

Lock
nut

A

2
Lock

nut
8

Pedal

beiBht
a

53
mm

6
02
in

Pedal
full

stroke
b
117
10
23
4
6
104

84
in

@
Multi

purpose
grease

CL102

Fig
CL

17
Adju
ting
pedal
height

1

Adjust
the

pedal
height
to
153

mm
6
02
in

by

adjusting
pedal
stop

per
and

tighten
lock
nut
A

to
the

specified

torque
0
8
to
1
2

kg
m
5
8

to
8
7
ft
lb

2

Turn
in

or
out

push
rod

adjusting

screw
until
a

play
of
I
to
3
mm
0

039

to
0

118
in
at
clevis

pin
is

obtained

Then

tighten
lock
nut
B

to
the

specified

torque
0
8
to

1
2

kg
m
5

8

to
8
7ft
Ib

Note
Exercise

care
in

adjusting
the

play
not
to
block

the

port
or

master

cylinder
A
blocked

port

may
result
if
too
small

play
at

clevis

pin
exists

3
After

adjusting
check

the

pedal

full
stroke

is
in
117

to
123
mm
4

61

to
4
84

in

Note

Depress
and
release
clutch

pedal
over
its
entire
stroke
to

en

sure
that
the
clutch

linkage
op

erates

smoothly
without

squeak

noise
interference
and

binding

PROPELLER
SHAFT
DIFFERENTIAL

CARRIER

Condition
Probable

cause

Knocking
sound

during

starting
or
noise

during

coasting
on

propeller

shaft
Worn

damaged
universal

joint

Worn
sleeve

yoke
and

main
shaft

spline

Loose

propeller
shaft
installation

Loose

joint
installation

Damaged
center

bearing
or
insulator

Loose
or

missing
bolts
at

center

bearing

bracket
to

body

Scraping
noise
Dust

cover
on
sleeve

yoke
rubbing
on

transmission
rear
extension
Dust

c
ver
on

companion

flange
rubbing
on
differ
mtial

carrier

Whine
or
whistle

Damaged
center

bearing
Corrective

action

Replace

Replace

Retighten

Adjust
snap
ring

Replace

Replace
or

tighten
bolts

Straighten
out
dust
cover
to

remove

inter

ference

Replace

DIFFERENTIAL
CARRIER

TYPE
H190

CONTENTS

DESCRIPTION

REMOVAL

PRE
DISASSEMBLY
INSPECTION

DISASSEMBLY

INSPECTION

ASSEMBLY
AND

ADJUSTMENT

PRECAUTIONS
IN
REASSEMBLY

ASSEMBLY
OF
DIFFERENTIAL
CASE
PD
5

PD
7

PD
7

PD
7

PD
8

PD

PD
8

PD
8

DESCRIPTION

The

differential

carrier
on
the
620

series

has
a

gear
ratio
of
4
37S

The
drive

pinion
is

rnounted
in
two

tapered
roUer

bearings
which

are

pre

loaded

by
pinion

bearing
adjusting

spacer
and
washer

during
assembly

The
drive

pinion
is

positioned

by
a

washer
located

between
a
shoulder
of
ASSEMBl
Y

OF
DIFFERENT
Al

CASE

ADJUSTMENT

OF
DRIVE
PINION

HEIGHT

ADJUSTME
NT
OF
DRIVE

PINION

PRELOAD

t

ADJUST
ENT

OF
SIDE
8EARING

SHIMS

INSTAllATION

REPLACEME
NTOF
FRONT
Oil
SEAL

the
drive

pinion
and
the
rear

bearing

The
differential

case
is

supported
in

the
carrier

by
two

tapered
roller

side

bearings
These

are

preloaded

by
in

serting
shims
between

the

bearings
and

the
differential

case
The
differential

case

assembly
is

positioned
for

proper

ring
gear
and
drive

pinion
backlash

by

PO
5
PD
8

PD
9

PD
lO

PD
11

PD
13

PD
13

varying
these

shims
The

ring
gear
is

bolted
to
the

differential
case
The

case
houses
two
side

gears
in

mesh

with
two

pinion
mates

mounted
on
a

pinion
shaft
The

pinion
shaft
an

chored
in

the
case

by
lock

pin
The

pinion
mates
and
side

gears
are
backed

by
thrust
washers

The

carrier

is
of

malleable
cast
iron

PROPELLER
SHAFT
DifFERENTIAL
CARRIER

Standard

gauge
I

1

Fig
PD
14

Me
uring
bearing
width

8
Press
fit
side

bearing
cone
into

differential
case

using
Differential
Side

Bearing
Drift
ST33230000
and

Adapt

er

ST33061000

t
J

I
ST33230000

io
o1

P0244

Fig
PD
15
ln

talling
side

bearing

cone

ADJUSTMENT
OF
DRIVE

PINION
HEIGHT

Adjust
the

pinion
height
with

washer

provided
between
rear

bearing

inner

race

a
ld
the
back
of

pinion

gear

Press
fit
front
and
rear

bearing

outer
races
into

gear
carrier

using

Drive
Pinion
Ou
ter

Race
Drift

Front

ST306
I
1000
and

Sf30613oo0
Rear

ST306
II

000
and

ST3062I

000

2

Fit
rear

bearing
on
carrier
and

install

Dummy
Shaft
Sf3
I

942000
and

Collar
ST3197oo00
on
rear

bearing

and

place
H

eight
Gauge
ST31941000

on
carrier

ST31941000

PD2
b

Fig
PD
16

Adjusting
pinion
height

3

Measure
the
clearance

N
be

tween

the

tip
end
of

height
gauge
and

the

end
surface
of

dummy
shaft

using

a
thickness

gauge

P0235

Fig
PD
17

Measuring
clearance

4
Tlie

thickness
of
drive

pInIOn

height

adjusting
wa

sh
ers
can
be
ob

tained
from
the

following
formula

T
N

H
0

S
x
0
01

2
18

PD
9
Where

T

Required
thickness
of
rear

bearing

adjusting
washers
mOl

N
Measured
value

with
thickness

gauge
mOl

H

Figure
marked
on
the
drive

pinion

head
See

Figure
PD
18

0
Figure
marked
on
the

dummy

shaft

S
Figure
marked
on
the

height

gauge

Figures
for
H
0
and

S
are
dimen

sional
variations
in

a
unit

of
1

100
mOl

against
each
standard

measurement

Head

number

HI

P0186
Set
numbl
r

Fig
PD
18
Variation
number
on

drive

pinion

Examples
of
calculation

Ex
I

N
0

5Imm
H
2
0

1

S
O

T
N

H
D
S
xO
01

2

18

0
51
2
I
0

x
O
ol
2
18

O
SI
2

t
1
0
x
0

01

2
18

0
51
3
x
0
01
2

18

0
51
0
03
2
18

2

66
mOl

The
correct
washer

is
2
67
mm

thick
See

following
table
for
drive

pinion
adjusting
washer

s

Install
tension

rod
at
rear
end

tighten
nut
to

make
the

distance
of

rubber

bushing
to
be
33
4
mm
1
315

in
and

torque
lock
nut
to
1

6
to
2
2

kg
m
12

to
16
ft
lb

6

Install
tension
rod
bracket

to

chassis

frame
bracket
and

torque
nut

to
1

6
to
2
2

kg
m

12
to
16
ft
lb

When

two
rubber

bushings
are
dif

ferent
in
size

arrange
adjusting
nut

Standard
dimension
is
11
0
mOl
0
433

in

as
shown
in

Figure
FA

16

Torque

lock
nut

to
1
6
to
2
2

kg
m

12
to
16

ft
lb

Il
0

11

0
0
433

t

lP

33
4
1
315

I

11
0

0
433
1
0
11
0

0

433

Adjusting
nut

Y
i

w

36
6
l
441

Unit
mm

in

FA235

Fig
FA
16
Tension
rod
detail

INSPECTION

I

Check
tension

rod
for
bend
and

the

thread
for

faulty
condition

Repair

or

replace
as

required

2

Check

bushing
rubber
for
wear

and
deterioration

Replace
if
neces

sary

TORSION

BAR

SPRING

REMOVAL
AND

INSTALLATION

Removal

1
Raise
vehicle
on
a
hoist
or
stands

2
Remove
wheel

3
Loosen
nuts
at

spring
anchor

bolt
Front
Axle
Front

Suspension

4
Remove
dust

cover
at
the
rear

end

of
torsion
bar

spring
and

detach

snap

ring

S
Withdraw
torsion
bar

spring
rear

ward

after

pulling
ou
t
anchor
arm

realWard

I

nstallalation

Install
torsion
bar

spring
in
the

reverse

sequence
of

removal

noting

the

following
instructions

I

Coat

grease
on
the
serrations
of

torsion
bar

spring
and
install
it

to

torque
arm

Note
Be

sure
to
install

right
and
left

torsion
bar

springs
correctly
They

can

be
identified
with
R

Right

and
L

Left
marked
on
the
end

surface

2
Install

anchor
arm
and

tighten

adjusting
nut
to

obtain
A
dimen

sion
See

Figure
F
A
17

When
anchor

arm
is

properly
adjusted
to
A

specification
upper
link
should
be
in

contact
with

rebound

bumper
rubber

See

Figure
FA
18
Install

snap
ring
and

dust
cover

Temporarily
tighten

adjust

ing
nut
until
B

specification
is

reached

I

I

I

FA236

Fig
FA
17

Installing
anchor
arm

Specifications
for
torsion
bar

spring

Diameter
x

length
mOl

in

Torsional

rigidity

kg
m

deg
ft
lb

deg

FA
9
Anchor
arm

setting
post
ion
A

ISt02Smm

0
59
to

0
98
in

Temporary
tightening
distance
B

60
to
70

mOl

2
36
to
2

76
in

UjPPje
Rebound

bumper

rubber

j

4W

Fig
FA

18

Setting
procedure

Notes

3
A

and
8

specifications
are

only
the

preliminary
rough
settings

directions
for

performing
the
final

adjustment
that

determines
the
ride

height
are
found
on

page
F
A
II

under

Adjustment

b
Discard
old

snap
ring
after

re

moving
it

Replace
with
new

one

during
reinstallation

3
Install
wheel
and

lower
vehicle

Adjust
vehicle

posture
at
curb

weight

full
fuel

tank
no

passengers
refer

ring
to

Adjustment

4

Torque
lock
nut
to
3
1
to
4
1

kg
m
22
to
30

ft
lb

INSPECTION

Check
torsion
bar

spring
for
wear

twist
etc
When

adjusting
vehicle

posture
replace
torsion
bar

spring

with
a
new
one
if
the

specified
height

can
not

be
obtained

All
models

21

9
x
830
0
862
x

32
68

3
74
27
I

Front
Axle
Front

Suspension

TROUBLE
DIAGNOSES
AND
CORRECTIONS

Condition

Vibration
shock
and

shimmy

ing
of

steering
wheeL

Vehicle

pulls
to
right
or
left
Probable
cause

Vibration
Too

much
backlash
of

steering

gear
wear

of
each

part
of

linkage
and
vibration
of
front

wheels
are
in

many
cases
transmitted
to
the

steering
wheel
This
is

Very
much
noticeable
when

traveJling
over
bad
roads
and
at

higher

speeds

Shock
When

the
front
wheels
are

travelling
over

bumpy
roads
the

play
of
the

steering
linkage
is

transmitted
to
the

steering
wheel
This
is

especially

noticeable
when

travelling
rough
road

Shimmy
Abnormal
vibrations
of
the
front

suspen

sion

group
and
the
whole

steering

linkage
which

occur
when

a

specific
speed
is
attained

Improper
air

pressure
of
tire

Unbalance
and
deformation
of
roadwheel

Unevenly
worn
tire
or

insufficient
tightening

Improperly
adjusted
or

worn
front
wheel

bearing

Faulty
wheel

alignment

Worn
or
loose

suspension
link
screw

bushing

Damaged
idler
arm

Insufficiently

tightened
steering
gear
housing

Worn

steering
linkage

Improper
steering
gear
adjustment
insufficient
back

lash

Faulty
shock
absorber
or
loose
installation

Unbalanced
vehicle

posture

When

driving
with
hands
off
the

steering
wheel

on
a

fiat
road
the
vehicle

gently
swerves
to

right
or

left

Note
A

faulty
rear

suspension
may
also
be
the
cause

of
this
condition
and
therefore
see
also
the

chapter
dealing
with
the
rear

suspension

Improper
air

pressure
of
tire

or
insufficient

tightening

of
wheel
nu
ts

Difference
in

height
of

right
and
left
tire
treads

Incorrect

adjustment
or
abrasion
of
front
wheel

bearing

Weakened
front
torsion

spring
or
deviation
from

standard

specification

Improper
wheel

alignment

Worn

or
loose

suspension
link

screw

bushing

FA
14
Corrective
action

Adjust

Correct
the
unbalance

or
re

place

Replace
or
tighten

Adjust
or

replace

Adjust

Replace

Replace

TIghten

Replace
ball

joint

Adjust

Replace
or

tighten

Adjust

Adjust
or

tighten

Replace
tires

Adjust
or

replace

Replace

Readjust

Replace

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

Brake

System

SERVICE
DATA
AND
SPECIFICATIONS

Brake

pedal

Free

height

Free

play
at

pedal
pad

Full
stroke

at
pedal
pad

Depressed
height
mOl
in

mOl
in

mOl
in

mm
in
148
S

83

I
to
3
0

04
to
0

12

134
to
140
5
28
to
S
51

43
to
49

169
to
193

Brake

adjustment
notches

Front

Rear
12

12

Master

cylinder

Inner
diameter

Piston
to

cylinder
deaJance
mm
in

mm
in
19
0S

Yo

O
IS

0
OOS9

Master
Vac

Diaphragm
diameter
mOl
in

Maximum
vacuum
leakage
after
15
sec

mmHg
inHg

Shell
seal

depth
A
mOl
in

Push

rod

length
B
mOl
in
152
4
6

2S
0
98

6

7
to
7
0

0
264
to
0
276

10

0
to
10
5
0
394
to
0
413

Front
drum
brake

Type

Wheel

cylinder
inner
diameter

Lining

Width
x
Thickness
x

Length

Lining
wear
limit
Uni
servo

mm
in
I9
0S

Yo

45
x

4
5
x

244

1
77
x
0
177
x
9
61

1

0
0
039
mm
in

mOl
in

Rear
drum
brake

Type

Wheel

cylinder
inner

diameter
Duo
servo

mOl
in
19
0S

Yo

Brake

drum

Inner
diameter

Repair
limit
of

thickness

Inside
runout
mm
in

mOl
in

mOl
in
254
0
10

2SS
S
10
06

0
02
0
0008
maximum

PaJking
brake

Type

Stroke

Adjuster
sliding
resistance
mm
in

kg
lb
Stick

type

80
to
100
3
lS
to
3
94

S

to
12
11

to
26

BR
20

Condition

Excessive

pedal
travel

Spongy

pedal

Poor

braking
effect

Brakes

drag
Brake

Syst
em

TROUBLE
DIAGNOSES
AND
CORRECTIONS

Probable
cause

Low
brake
1uid
level
or

empty
master

cylinder
reservoir

Leakage
in
master

cylinder

Deteriorated
check
valve

Air
in

system

Faulty
brake

adjustment

Low

1uid
level
in
master

cylinder

Air
in

system

Faulty
brake

adjustment

Reservoir
filler

cap
vent

hole

clogged

Swollen
hose
due
to
deterioration

or
use
of

poor
quality
hose

Distorted

brake
shoes
or

excessively
worn

or

cracked

brake
drum

Soft
or
swollen

caliper
seals

Use
of
a
brake

1uid
with

too
low

boiling

point

Fluid

leakage
in

brake
lines

Low

brake
1uid
level

or

empty
master

cylinder
reservoir

Air
in

brake
lines

Excessive
shoe
ta
drum

clearance

Grease
oil

mud
or

water
on

linings
or

pads

Deterioration
of

linings
or

pads

Local
fit
of

linings
or

pads

Linings
or

pads
excessively
worn

Master

cylinder
or
wheel

cylinders
in

poor

condition

Binding
mechanical

linkage
at
brake

pedal

and
shoes

Clogged
brake
lines

Incorrect

adjustment
of

wheel

bearings

Improper
shoe
t

drum
clearance

Weak
shoe
return

springs

No
free
travel
in

brake
shoe

return

BR
22
Corrective
action

Fill
and
bleed
as

necessary
Test

for
source

of

leakage
by
examining
all
lines

connec

tions

and
wheel

cylinder

Overhaul
master

cylinder

Replace
check
valve
and
bleed

system

Bleed

system

Adjust
shoe
to
drum
clearance

Inspect

auto

adjuster
operation

Top
with
1uid
and

inspect
for

leakage

Correct
as

necessary

Adjust
shoe
to

drum
clearance

Inspect

aut

adjuster

operation

Clean
and

bleed

system

Replace
hose
and

bleed

system

Replace
faulty

parts

Drain

hydraulic
system
flush
with
alcohol

and

replace
all
seals

Replace
with

specified
brake

1uid
and
bleed

system

Check

master

cylinder

pIpIng
and
wheel

cylinder
for
leaks
and

repair

Fill
and
bleed

as

necessary

Bleed

system

Adjust

Clean
brake
mechanism
and
check
for

cause

of

problem

Replace
linings
or

pads

Replace

Shave
or

replace

Replace

Repair
or

replace

Free

up
as

required

Check
and

clean

Adjust
or

repair

Adjust

Replace

Adjust

pedal
height

Engine
Control
Fuel
Exhaust

Systems

REMOVAL
AND

INSTALLATION

Accelerator

wire

I

Remove
air
cleaner

assembly

2

Disconnect
accelerator
wire

from

carburetor

3

Loosen
lock

nut
and
disconnect

accelerator
wire
outer
case
from
wire

holder
See

Figure
FE
I

4

Remove

spring
clamp
and

discon

nect
accelerator
wire

from
accelerator

pedal
arm

S

Remove
two

screws

securing
ac

celerator
wire
outer
case
to

body
and

detach
accelerator
wire

6
To

install
reverse
the
order

of

removal

Apply
recommended
multi

purpose
grease
slightly
to

portion

MG
shown
in

Figure
FE
I

Accelerator

pedal
assembly

I
Remove

spring
clamp
then
dis

connect
accelerator
wire
from

tip
of

pedal
ann

2
Remove

two
screws

securing
ac

celerator

pedal
bracket

to

body

3
Remove

accelerator

pedal
from

dash

panel
See

Figure
FE
I

4
To
install
reverse
the
order
of

removal

INSPECTION

I
Check
accelerator

pedal
return

spring
for

rust

fatigue
or

damage

Replace
if

necessary

2

Check
accelerator
wire

cases
and

fastening
locations
for
rust

damage
or

looseness

Repair
or

replace
if

necessary

ADJUSTMENT

Accelerstor

pedal
and
wire

Adjust
pedal

stopper
bolt

Section
A

so
as
to
obtain

specifi

ed

height
E
as
shown
in

Figure

FE
I

Secure

pedal
stopper
bolt
with

stopper
lock
nut
Refer

to
Figure

FE
I
E

78
mOl
3
07

in

Tightening
torque
01
nut

0
38

to
0
4S

kg
m

2

7
to
3
2

ft
b

2

Release
auto

choke
effect
since

throttle
lever
is

opened
by
fast
idle

earn
until

engine
warms

up

I

Keep
choke
valve

fully
open

with

fingers

2

Pull
throttle
lever

up
by
hand

1

Adjust
nut

2
Lock
nut

3
Accelerator
wire

4
Dust
co

r

5
After

completing
the

adjustment

as

previously
explained
check
the

following

I

Make
sure

that
accelerator

system
functions

smoothly
and

quietly

without

disturbing
any
adjacent

parts

2

Depress
accelerator

pedal
down

until

throttle
valve

fully

opens
Make

sure
that

the
clearance
T
between

accelerator

pedal
reverse
side
and
dash

floor
is
2
to
4
mm
0
08
to

0
16
in

without
floor

mat

Adjust
pedal

stop

per
bolt
and
lock
nut
if

beyond
limits

3

Check
throttle

lever
if
it

returns

to
the

original
position
as
soon
as

accelerator

pedal
is

released

FE
3
then
automatic

choke
effect
will

be

released

3

Set
throttle
valve
to

completely

closed

position
and
with
wire

suf

ficiently
slackened

lighten

adjust
nut

until
throttle
lever
is
about
to
move

Accelerator

pedal
play
is

zero

at
this

lime
See

Figure
FE

2

4

Unscrew

adjust
nut

approxi

mately
two
and
a

half
turns
so
that

accelerator

pedal
play
is
3
mOl

0
012

in

Tighten
lock
nut

securely
See

Figure
FE
2

1

I

1

CD
@

FE184

Fig
FE72

AdjU6ting
accelerator
wire

play

4

Apply
recommended
multi

purpose
grease
slightly
on
the

portion

as
shown
in

Figure
FE
I
Also
refer

to

the

periodic
maintenance
schedule

Kickdown
switch
Automatic

transmission
models
only

Kickdown
switch

adjustment
is

cor

rect
if
it
is

actuated

by
kickdown

switch
striker
when

accelerator

pedal

is

fully

depressed

Always
tighten
switch

stopper
nut

securely
after

proper
adjustment
is

obtained