Operating cylinder DATSUN 210 1979 User Guide

Clutch

Clutch
cover

Diaphragm
spring
height
mm
in

Unevenness
of

diaphragm
spnng
toe

height
mm
in
29
0

to
31

0
1
142
to
1
220

Less
than
O
5
0
020

TIGHTENING
TORQUE

Pedal

stopper
lock
nut

Master

cylinder
push
rod
lock

nut

Operating
cylinder
push
rod

lock
nut

Operating
cylinder
bleeder
screw

Master

cylinder
to

dash

panel
securing

nut
kg
m
ft
lb

Clutch
tube
flare
nut

kg
m

ft
Ib
kg
m
ft
b

kg
m

ft
Ib

kg
m

ft
b

kg
m
ft
b
0
8

to
1
2
5

8
to
8

7

0
8
to
1
2
5

8
to
8
7

0
8

to
1
2
5
8
to
8
7

0

7
to
0
9
5
1

to
6
5

0
8

to
1
2
5

8
to
8
7

1
5

to
1
8
11
to

13

Operating
cylinder
to
clutch

housing

securing
bolt

Qutch
hose
to

operating
cylinder

Qutch
cover
bolt
kg
m
ft

lb

kg
m
ft
Ib

kg
m

ft
Ib
3
1

to
4
1
22
to
30

17

to
2
0

12
to
14

1

6
to
2
1

12
to
15

CL
11

I
ht
2nd

fork
r

2

3rd

top
fork
rod

3
Reverse
fork
rod

4

Retaining

pin

5
I
t

2nd
shift

fork

6
3rd

top
shift
fork

7

Checking
ball

plug

8

Check
ban

spring

9
Check
ball

10
Interlock

plunger

11

S

topper
ring

12

Shift
rod
A
bracket

13
Reverse

shift
fork

14
Lock

pin

15

Striking
lever
Manual
Transmission

16

Striking
rod

17
Return

spring
plug

18
Reverse

check

spring

19
Return

pring

20

Plunger

21
D

ring

22
Stopper
pin
bolt

23

Striking
guide
assembly

24

Striking
guide
oil
seal

REMOVAL

To

dismount
transmission

from
the

car

proceed
as
follows

Disconnect

battery
ground
cable

2

Remove
console
box

and
detach

rubber
boots
if

so

equipped

3

Place
transmission
control
lever

in

neutral

position
and
remove
it

m

TM781

Fig
MT
4

Removing
Control
Lever
@

@

25
Control
lever

bushing

26

Expansion
plug

27
Control

pin
bushing

28
Control
arm

pin

29
Control
lever
o

Tightening
torque
kg
m
ft
lb

@
0
5
to

0
8
3

6
tn
5
8

@
1
3
to
1
7

9
to
12

Fig
MT
3
F4W60L
Tra11lmiBSion

Shift
Control

Components
TM094A

4
Jack

up
the

car
and

support
its

weight
on

safety
stands
Use
a

hy

draulic
hoist
or

open
pit
if
available

Make

sure
that

safety
is

insured

5

Disconnect
front
exhaust
tube

and

remove
bolt

securing
exhaust

mounting
bracket
from

exhaust
front

tube

side

6

Disconnect
wires
from

reverse

back

up
lamp
switch

7

Disconnect

speedometer
cable

from
rear
extension
At

the
same
time

removey

top
detecting
switch
if
so

equipped

8
Remove

propeller
shaft

Refer
to
Removal
Section
PO

Note

Plug
up
the

opening
in
the
rear

extension
to

prevent
oil
from
flow

ing
out

MT
3
9

Remove
clutch

operating
cylinder

from
transmission
case

10

Support
engine
by
placing
a

jack

under
oil

pan
with
a
wooden

block

used
between
oil

pan
and

jack

CAUTION

00
not

place
the

jack
under
the

oil

pan
drain

plug

11

Support
transmission
with
a

transmission

jack

12

Loosen
rear

engine
mount
se

curing
bolts

CD

temporarily
and
re

move
crossmember

mounting
bolts

V

Manual
Transmission

S

R

o

o

D
l

@

@

l

@

l

25
Control
lever
boot

26
Control

pin
bushing

27
Control
arm

pin

28
Control
lever

29
Control
lever
knob
1

2nd
3rd
fork
rod
9
4th

5th
shift
fork
17

Shift
arm
bracket

2

Retaining

pin
10
2nd
3rd
shift
fork
18
Arm
bracket
O

ring

3

Checking
ball

plug
11
Ist
reverse
shift

fork
19
Arm
bracket

plain
washer

4
Check
ball

spring
12

Striking
rod
20
O

ring

5
Check
ball
13
Striking
lever
21

S

lriking
guide

6
ht
reverse
fork
rod
14
Lock

pin
22

Striking
guide
oil
seal

7
Interlock

plunger
15
Striking
pin
23

Expansion
plug

8

4th
5th
fork
rod
16
Shift
arm
24
Control
lever

bushing
Tightening
torque
kg
m

fHb

@
0

9
to
1
2
6
5

to
8
7

@
8
2
to
to
O
59

to
72

TM229A

Fig
MT
68
FS5W60L
Transmission

Shift
Control

Components

REMOVAL
4

Jack

up
the

car
and

supporl
its

weight
on

safety
slands
Use
a

hy

draul

c
hoist
or

open

pit
if
available

Make

sure
that

safety
is

insured

S
Disconnect
front

exhaust
tube

and

remove
bolt

securing
exhaust

mounting
bracket
from
exhaust
front

tube
side

6
Disconnect
wires

from
reverse

back

up
lamp
switch

7

Disconnect

speedometer
cable

from
rear
extension
At
the
same
time

remove

top
detecting
switch
if

so

equipped

8
Remove

propeller
shaft

Refer
to

Removal
Section
PD
To

dismount
transmission

from
the

car

proceed
as
follows

Disconnect

battery

ground
cable

2
Remove
console
box
and

detach

rubber
boots
if
so

equipped

3
Place

transmission
control
lever

in

neutral

position
and

remove
it

CJi
J

TM781
Note

Plug
up
the

opening
in
the
rear

extension
to

prevent
oil
from

flow

ing
out

Fig
MT
69

Removing
Control
Lever

MT
17
9
Remove

clutch

operating

cylinder

from
transmission
case

10

Support
engine
by
placing
a

jack

under
oil

pan
with

a
wooden

block

used
between

oil

pan
and

jack

CAUTION

Do
not

place
the

jack
under
the
oil

pan
drain

plug

II

Support
transmission
with
a

transmission

jack

12
Loosen
rear

engine
mount
se

curing
bolts

CD

temporarily
and
re

move
crossmember

mounting
bolts

CV

TIGHTENING

TORQUE

Ball

pin

Striking
lever

lock
nut

S
llft
arm
bracket

Mainshaft

bearing
retainer

screw

Mainshaft

lock
nut

Rear
extension

installation
bolt

Stopper

pin
bolt

Front

cover
installation

bolt

Speedometer
sleeve
lock

ing
plate
bolt

Top
detecting
switch

Reverse

lamp
switch

Neutral
switch

Return

spring
plug

Gear
oil

filler

plug

Gear
oil
drain

plug

Transmission
to

engine

installation
bolt

Tr

msmissiori
to

engihe

rear

plate
installation
bolt

Transmission

to

gusset

installation
bolt

Starting
motor
to

trans

inissi
n
installation
bolt

Rear

mounting
insulator
to

transmission
installation
bolt

Crossmember

mounting

bolt

Rear

engine
mount

installation
bolt

Clutch

operating
cylinder

installation
bolt

Propeller
shaft
to

differential
carrier

Control
lever

pin

installation
nut

Exhaust

mounting
bracket

to
exhaust
front
tube

FU
model

only
Manual
Transmission

F4W60L

2
0
to
3
0

14
to
22

0
9

to
1
2

6
5
to
8
7

0
7
to

1
0
5
1
to
7
2

1
6
to
2
2
12
to
16

0
5
to
0

8
3
6
to
5
8

1
0

to
1

6
7

to
12

0
3
to
0
5
2
2
to

3
6

2
0
to
3
5
14
to
25

2

0
to

3
5
14
to
25

0
5
to

1
0
3
6
to
7
2

2
5
to

4
0
18
to

29

2
5

to
4

0

18
to

29

1

6
to
2
2

12Jo
16

1

6
to
2
2
12

t
16

4
6
to

6
1
33

to
44

3

0
to
4
0
22
to
29

0
9

to
1

2
6
5
to
8
7

3
2

to
4
3
23

to
31

0
9

to
1
2
6
5
to

8
7

3
1

to
4
1

22
to
30

2
4

to
3
3

17
to
24

1
3

to
1
7
9

to
12

3
2

to
4
3
23
to
31

MT33
Unit

kg
m
ft
lb

FS5W60L

2
0

to
3

0
14
to
22

0
9
to

1
2
6
5
to
8
7

8
2

to
10

0
59
to

72

0
8
to
1
3
5
8
to
9

4

10
0

to
11
0
72
to
80

1
6
to
2
2
12
to
16

1

0
to
1

6
7
to
12

0
3
to
0
5
2
2
to
3

6

2

0
to

3
5
14
to
25

2
0

to
3
5

14
to
25

2
0

to
3
5

14
to
25

0
5
to
1
0
3
6
to
7
2

2
5
to
4
0
18
to
29

i
5
to
4

0

18
to
29

1

6
to
2
2
12
to
16

1

6
to
2

2
12
to
16

4

6
to
6
1
33
to
44

3
0

to
4

0
22
to
29

0
9
to
1
2
6
5
to
8
7

3
2
to
4
3

23
to
31

0

9
to
1
2

6
5
to
8
7

3
1
to
4
1
22
to
30

2
4
to

3
3
17
to
24

1
3
to
1
7
9
to

12

3
2
to

4
3
23
to
31

BRAKE
PEDAL

a

a

Fr

play

h
Free

height

d

Depressed
height

Tightening
torque
Icg
m
ft
tb

@

@
Push
rod
or

operating
rod
lock

nut

1

6
to
2
2

12
to

16

Brake

lainp
switch
lock
nut

1
2
to

I
5
9
to
11

BR121A

Fig
BR
1

Adjusting
Broke
Pedal

I

Adjust

pedal
height
h
to
the

specifications
by
moving
brake

lamp

switch
and

operating
rod
if

equipped

with
brake
booster

Pedal

height
h

143
to
149
mm

5

63
to
5
87

inl

Then
secure
brake

lamp
switch
and

operating
rod

C
l
Tightening
tOlque

Blake

lamp
witch
lock
nut

1
2
to
1

5

kg
m

9
to
11
ft

lb

Operating
lad
lock
nut

1

6
to
2

2
kg
m

12

to
16
ft
b
Brake

System

ADJUSTMENT

2
With
brake

booster

Adjustment
is
not

necessary
under

normal
conditions
Check
pedal
free

play
If
it
exceeds
the
above

specifica

tion

adjust
push
rod

length
refer
to

brake
booster
for

adjustment
by
re

moving
master

cylinder
rerer
to
Mas

ter

Cylinder
for
removal

3
After

adjustment
is

completed

depress
brake

pedal
several
times
to

ensure
that
it

travels
over
its
entire

stroke

smoothly
without

squeaking

noise

twisting
or
interference

Pedal

depr
d

Might
d

more
than
70
mm
2
76

in

FRONT
DISC
BRAKE

Front
disc
brake
does
not

require

adjustment
under
normal
conditions

since

pad
to
rotor
clearance
is

auto

malically
adjusted
by
elasticity
of

piston
seal

REAR
BRAKE

Auto

edJuster
type

Adjustment
is
not

necessary
under

normal
conditions
since
brake
drum

t
shoe
clearance
is

automatically

compensated
for

by
operating
hand

brake

Wlien
brake
drum
to
shoe

clearance

is

correct

operating
noise

of

adjuster

is

not
heard
even
if
hand
brake
is

operated

HAND
BRAKE

I

Adjust
rear
brake
shoe

to
drum

clearance
before

adjusting
hand
brake

2
Turn

turnbuckle
so
that
when

hand
brake
control
lever
is

pulled

by
specified
force

lever
stroke
or

number
of
notches
is
as

follows

Pulling
fOil
20

kg
44
Ib

lever
stroke

93
to
106

mm

3
66
to
4

17
in

Numbel
of
notches
7
to
8

BR

2
f

BAQ05A

Fig
BR
2
Adjusting
Hand
Brake

Then

tighten
lock
nut

securely

3

After

returning
hand
brake
con

trol

lever
to
its

original
position

ensure
that

e
All
rear
brake

toggle
levers

return

to
their

original
positions

Rear
cables
are
not
slack

HAND
BRAKE
WARNING

LAMP
SWITCH

Bend
hand
brake

warning
lamp

switch

plate
down
so
that
brake

warn

ing
light
comes
on
when
ratchet
at

hand
brake
lever
is

moved
back
one

notch
and

goes
out
when
returned
to

its

original
position

BLEEDING

HYDRAULIC
SYSTEM

Hydraulic
brake

system
must
be

bled
whenever

any
line
has
been
dis

connected
or
air
has
in
some

way

entered

system

Spongy

pedal
action
is
an
indica

tion
that
air
has
entered
brake

system

Bleeding
hydraulic
system
deserves

much
attention
as
it
is
an
essential

element
in

regular
brake

servicing

Clean
all

dirt
around
master
cyl

inder
reservoir
remove
reservoir

cap

and

top
up
reservoir
with
recommend

edbrake
fluid

Note
Do
not
mix

two
different
brand

oils

2

Thoroughly
clean
mud
or
dust

from
bleeder
valve

so
that
outlet
hole

is
free
from

foreign
particles
Install
a

bleeder
hose
on
bleeder
valve

L

@
fl
JJ

l

f
m

ff
v
1

II
2

I

I
II

B

s1

r
Dip
other
end

of
hose
into
brake

fluid
bled
in

a
container

3

Pepress
brake

pedal
two
or
three

times
and
then

keep
pedal
fully
de

pressed

4

With
brake

pedal
fully
depressed

open
bleeder
valve

to
exhaust
air

Note

a
Carefully
monitor
brake
fluid
level

at
master

cylinder
during
bleeding

operation

BRAKE
PEDAL

REMOVAL

I

Remove

snap
pin
installed
at
the

end

of
clevis

pin
Draw
out

clevis

pin

and

separate
push
rod
or

operating
rod

from
brake

pedal

2
Remove
bolt
and
E

ring
securing

fulcrum

pin
and
draw
out
fulcrum

pin

Then
brake

pedal
can
be
taken
out

along
with
return
coil

spring
Brake

System

b
Do
not
reuse

brake
fluid
drained

during
bleeding
operation

c
Bleed
air
in
the

following

sequence

Master

cylinder
Rear

wheel

front
wheel

d

Be
careful
not
to

splash
brake
fluid

on

painted
areas

5

Close
bleeder
valve

quickly
as

brake

pedal
is

on
down
stroke

6
Allow
brake

pedal
to
return
slow

ly
with
bleeder
screw
closed

SERVI
CE

BRAKE

fJ

Brake

lamp
switch

Lock

nut

Fulcrum

pin

Brake

push
rod
or

operating
rod

Snap

pin

Bolt

E

ring

Tightening
torque
kg
m
ft
Ib

@
1

6
to
2
2

12
10
16

@
1
2
to

l
S
9
to

II

BROS8A

Fig
BR
3
Broke
Pedal

INSPEctioN

Check
brake

pedal
for

the

following

items

servicing
as

necessary

I
Check
brake

pedal
for
bend

2
Check
return

springs
for

fatigue

3
Check

clevis
for

deformation
and

crack
at
welded

part

BR
3
7

Repeat
bleeding
operations
until

no
air

bubbles
show
in

hose

Note

a

Brake
fluid

containing
air
is

white

and
contalns
air
bubbles

b
Brake
fluid

containing
no
air

rons

out
of
bleeder
valve
in
a
solid

stream
free
of
air

bubbles

8

Repeat
steps
above
on

remaining

brake
line
to

expel
air

INSTALLATION

Install
brake

pedal

following
the

reverse

procedure
of
removal

paying

attention
to
the

following
items

I

Apply
coating
of
recommended

multi

purpose
grease
to

sliding
portion

and
return
coil

spring

BA113A

Fit
BR

4
Lubricating
Point

2
Be

sure
to

install
E

ring
and
bolt

securely

3
Insert
CleviS

pin
through
brake

pedal

4

Adjust
brake

pedal
after

installa

tion
Refer
to
Blake
Pedal
for

adjust

ment

j
Tightening

torque

Push
rod

or
op8leting
rod

lock
nut

1
6
to

2
2

kltm

12
to
16
ft

Ibl

Brake

lamp
switch
lock
nut

1
2
to
1
5

kltin

9
to
11
ft
lb

INSPECTION

Brake
drum

I
Check
inner
diameter
of
brake

drum
to
make
sure

it
is

properly
round

and

tapered
If

it
is
not

repair
or

replace
brake

drum

Inner
diameter

Standard
diametel

203
2
mm
8

in

Maximum
diameter

204
5

mm
8
05
in

Out
of
loundness

ellipticity

less
than

0
02
mm
0
0008
in

Radial
runout

less
than
0
1
mm
0

004
in

Total
indicator

reading

Taper

less
than

0
02
mm
0
0008
in

Measured

at
a

point
40

mm

1
57
in
flam
inlet

2

Contact
surface
with

which
lin

ings
come
into

contact

should
be

fine
finished
with

No
120

to
150

sandpaper

3

Using
a
drum
racer
finish
brake

drum

by

machining
if
it
shows

any

sign
of

score
marks

partial
wear

or

stepped
wear
on
its

contact
surface

Note

After
brake
drum
has

been

completely
re
conditioned

or
re

placed
check
drum
and
shoes
for

proper
contact

pattern

Brake
e

embly

1

Replace
any
linings
which
are

cracked
worn

or
oil
stained

2
If

lining
is
worn

to
less
than
the

specified
value

replace

Lining
wear
limit

Minimum

thickness

1
5

mm
0
059

in

3

Replace
any
shoe
return

springs

which
are

broken
or

fatigued

4

Replace

fatigued
anti

rattle

spring

damaged
pin
and
or
retainer

Wheel

cylinder

I

Replace
any
cylinder
or

piston

which
is

scratched

scored
or

worn
on

its

sliding
contact
surface
Brake

System

2

Replace
worn

parts
if

piston
to

cylinder
clearance
is

beyond
limit

Piston
ta

cylinder
clearance

less
than
0
15
mm
0

0059
in

3

Replace
any
piston
cup
which
is

worn

or
otherwise

damaged

4

Replace
if

contacting
face
of

cyl

inder
and
shoe
is
worn

locally
or
in

step

5

Replace
any
damaged
dust
cover

fatigued
piston
spring
or

faulty
thread

ed

parts

6

Replace
any
tube
connector

which
is

worn
on
its

threaded

portion

INSTALLATION

Install
rear
brake
in
reverse
order

of

removal

closely

observing
the
follow

ing

1

Tighten
following

parts
to

speci

fied

torque

CAUTION

When

installing
brake
tube

use
Flare

Nut

Torque
Wrench

6694310000

ifl

Tightening
torque

Flared
nut

1
5
to
1
8

kg
m

11
to
13
fHb

Ail
bleedel

0
7
to
0
9

kg
m

15
1
to
6
5
ft
Ib

Wheel

cylinder

mounting
bolt

0

6
to

0
8

kg
m

4
3

to
5
8
ft
b

2
There
are

two

types
of

adjusters

which
have

right
thread
or
left
thread

R
H
brake

Right
thread

adjuster

L
H

brake

Left
thread

adjuster

3

Sparingly

apply
a
coat
of
brake

grease
to
the

following
points

Lubricating
points

e

Adjuster
nut
and
rod
threads

Mating
surfaces

between

adjuster

and

toggle
lever
and

pin
and

roller

BR

ll
0

J

o

BR
117
A

Fig
BR
24

Lubricating
Points

of

Adju
ter

4

Referring
to

Fig
BR

25
for

locations
of

lubricating
points
apply
a

coat
of
brake

grease
to
these

points

Exercise

care
not
to
allow

grease
to

come
into

contact
with

lining
or
ad

juster
screws

Lubricating

points

e

Contact
areas

between
wheel

cyl

inder
anchor
block
and
brake
shoe

e

Mating
surfaces
between
brake
shoe

and

brake
disc

Contact
areas

between
hand
brake

adjuster
and
brake

shoe

Contact
areas
between
brake

disc

brake

shoe
and

toggle
lever

Contact
areas
between

anti
rattle

pin

spring
retainer
and

brake
shoe

Fig
BR
25

Lubricating
Points

5

To

prevent
water
from

entering

brake
drum

apply
dry
sealant
to

brake

disc

mounting
surfaces
of
the

follow

ing

parts

Wheel

cylinder

Anti
rattle

spring

6
Make

sure
that

entire
brake

shoe

fits
in

place

7

Make
sure
that

adjuster
operates

properly

8
After
installation
is

completed

check
and

adjust
shoe

to
drum
clear

ance

by
operating
hand
brake
several

times

9

Bleed
brake

system

BRAKE

BOOSTE
R

INSPECTION
OF

OPERATION

Checking
vecuum

pressure

I

Connect
a

vacuum

gauge
in
the

tine
between
check
velve

and
brake

booster

1
Check
valVe

2

Vacuum
gauge

BA942

Fig
BR
26
Air

Tighte
Te
Set

Up

Probable
cause

Air

leakage
at

check
valve

2
Air

leakage
at

push
rod

seal

3
Air

leakage
between
valve

body
and

seal

4
Air

leakage
at
valve

plunger
seat

5

Damaged
piping
or

joints

Air

tight
test
Under
loed

Fifteen

seconds
after

engine
is

stopped
and

brake

fully

applied
ob

serve
the
rate

of

drop
in
air

pressure

registered
by
vacuum

gauge
If

vacuum

Probable
cause

Air

leakage
at
check
valve

2

Damaged
diaphragm

3
Reaction

disc

dropped
off

4

Air

leakage
at

poppet
assembly
seat

and
valve

body

Inspec
tinK
chec
k
valve

Remove

clip
and
disconnect
hoses
Brake

System

2
Start

engine
end
merease

engine

speed
Stop

engine
when

vacuum

gauge
indicates
500

mmHg
l9
69

inHg

Air

tiKht
test

No
load

Fifteen
seconds
after

engine
is

stopped
observe
the
rate

of

drop
in
air

pressure
registered
by
vacuum

gauge

If
vacuum

pressure
drop
below
the

specified
value
refer
to

the

following

chart
to
determine
the

cause
of

failure

Maximum
vacuum

leakage

25

mmHg
0
98

inHgl

Corrective
action

Replace
check
valve

Replace
brake
booster
as
an

assembly

Repair
or

replace

pressure
drops
below
the

specified

value
refer
to
the

following
chart

to
determine
the
cause
of
failure

Maximum

vacuum

leakage

25
mmHg
0
98

inHgl

Corrective
action

Replace
check
valve

Replace
brake
booster
as
an

assembly

at
connections
The
check
valve
can

now
be
removed

BR
12
JQeL

i
l
f

BR119A

Fis
BR
27
Location

of
Check
Valllt

2

Using
a
brake

booster
testel

apply
a
vacuum

pressure
of
500

mmHg

19
69

inHg
to
the

port
of
check

valve
on
the
brake
booster
side
If

vacuum

pressure
drops
below
the

specified
value
in
15

seconds

replace

check
valve
with
a
new
one

Maximum

vacuum

leakage

01
eheck
valn

10

mmHg
0
39

inHgl

3
When

pressure
is

applied
to
the

b

rake
booster
side
of
check
valve
and

valve
does
not

open
replace
check

valve
with
a

new
one

I

0

tLLiJ

Manifold
side
Brake
booster
side

1

Spring

2

Valve
BR963

Fig
BR
28

Check
Value

4
When

installing
check

valve
be

careful
to
avoid

incorrect
connectiolU

See

Fig
DR
28

Operetlns
test

1
Connect

an
oil

pressure
gauge
to

brake

ine
at
connection

on
master

cylinder

2
Install

a

pedal
force

gauge
on

brake

pedal

3
Start

engine
end

increase

engine

speed
until
a
vacuum

pressure
of

500

mmHg

19
69

inHg
is

registered
on

vacuum

pressure
gauge
With

a

steady

vacuum

pressure
of
500

mmHg
19
69

inHg
measure
oil

pressure
with
res

pect
to
each

pedal

operating
force

Relationship
between
oil

pressure

and

pedal
operating
force
is

illustrated

in

Fig
BR

29
If
test

results
are
not

as

specified
in

Fig
BR

29
check
brake

booster
for
condition
in
manner
des

cribed
under

Inspection
before
re

moval
of

this
unit

REMOVAL
M60

120
1
710

AA
I
1

1

110
1
560
1
v

e
100

1
420
I

90
1

280
I
1

1

80
1
140
I
Z

I
t

70
1

000
i

60
850

I

o
50
710
d

40
570

g
i

gl

j
ll
10

140

J
0

1
0

2
0

221
441

Rod

operating
force

kg
lb
Brake

System

Also

check
brake
line
for

evidence

of
fluid

leakage

Note

Detennine
whether
source
of

problem
is
in
brake
booster
or

check
valve
Before

you
reach

a

fmal
conclusion

always

inspect

check
valve
first

o
10
20

30
40
50

22
44

66
88
110

Pedal

operating
force

kg
lb

BA121A

Fig
BR
29

Performance

Diagram
of
Brake
Booster

Remo

parts
in

numerical
order

enumerated

BR593
ti

J

Fig
BR
30
Procedures

for
Removing

Brake
Booster

ADJUSTMENT

I

Adjust
the

length
of

push
rod
to

the

value
indicated
below

Length
ad
justment
of

push
rod
is

made
at
the

tip

of

push
rod

Length
A

9
75
to
10
00
mm

0
3839

to
0
3937
in

j
f

Irl

I

l
if

L
J

BA290

Fig
BR
31

Length
A

BR
13
BR288

Fig
BR
32

Adjusting
Push
Rod

Length

2

Install

clevis

Adjust
length
of

operating
rod
to

specified
value

length
B

135
mm
5
31
in

c
f

lIJ
t

t

B

BR947

Fig
BR
33

Length
B

INSTALLATION

Install

in
the

reverse

sequence
of

removaJ

IiJ
Tightening

torque

Master

cylinder
to
brake
booster

0
8
to

1
1

kg
m

5
8

to
8
0
ft
Ib

Brake
booster
to

body

0
8

to
1
1

kg
m

5
8

to
8

0
ft

lbl

Note

After
brake
boOster
is

properly

installed
in

car
conduct
an
air

tight

and

op
rational
tests
as

previously

described

Brake

System

INSPECTION

AND
ADJ
USTMENT

BRAKE
PEDAL

Free

height
h
mm
in
143
to

149

5

63
to
5

87

Free

play
at

pedal
pad
a
mm
in
I
to
5

0
04
to

0
20

Full
stroke

at

pedal
pad
s

With
brake
booster
mm
in
140
5
51

Depressed
height
d

mm
in

more
than

70
2
76

HAND
BRAKE

Pulling
force

Stroke
kg
lb

mm
in

Number

of
notches

MASTER

CYLINDER

Allowable
clearance
between

cylinder
and

piston

mm
in

BRAKE

BOOSTER

Maximum
vacuum

leakage
15

seconds
after

engine
is

stopped

mmHg
inHg

mm
in

mm
in
Push
rod

length
A

Operating
rod

length
8

I

c

tY

1I1

fF

I

BA290
d

IF

CHECK

VALVE

Maximum
vacuum

leakage
15

seconds
after
500

mmHg

19
69

inHg
pressure
is

applied
mmHg
inHg

BR

17
h

d
1

II

II

d
h

Free

play

V
Free

height

Depressed
height
aR002A

Full
stroke

20
44

93

to
106

3
66

to
4
17

7

to
8

less
than
0
15
0

0059

25

0
98

975
to
10
00
0
3839
to

0
3937

135
5
31

1

B

BR947

10

0
39