
DATSUN
2
0
Model
83
0
Series
SECTIONBR
BRAKE
SYSTEM
CONTENTS
ADJUSTMENT
BRAKE
PEDAL
FRONT
DISC
BRAKE
REAR
BRAKE
HAND
BRAKE
BLEEDING
HYDRAULIC
SYSTEM
SERVICE
BRAKE
BRAKE
PEDAL
MASTER
CYLINDER
BRAKE
FLUID
LEVEL
GAUGE
BRAKE
LINE
NP
VALVE
FRONT
DISC
BRAKE
BR
2
BR
2
BR
2
BR
2
BR
2
BR
2
BR
3
BR
3
BR
4
BR
5
BR
5
BR
6
BR
6
ROTOR
REAR
BRAKE
BRAKE
BOOSTER
HAND
BRAKE
SERVICE
DATA
AND
SPECIFICATIONS
GENERAL
SPECIFICATIONS
INSPECTION
AND
ADJUSTMENT
TIGHTENING
TORQUE
TROUBLE
DIAGNOSES
AND
CORRECTIONS
SPECIAL
SERVICE
TOOL
BR
9
BR
l0
BR
12
BR
14
BR
16
BR
16
BR
17
BR
18
8R
19
8R
22

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

REMOVAL
I
Disconnect
wiring
to
brake
fluid
level
gauge
2
Disconnect
front
and
rear
brake
tubes
from
master
cylinder
CAUTION
When
removing
brake
tubes
use
suitable
tube
wrench
Never
use
open
end
or
edjustllble
wrench
Note
When
disconnecting
brake
tubes
be
sure
to
use
a
container
to
receive
draining
brake
fluid
Use
of
raga
is
also
suggested
to
keep
adjacent
perts
and
area
clean
3
Remove
master
cylinder
securing
nut
Master
cylinder
can
then
be
taken
out
DISASSEMBLY
1
Remove
reservoir
caps
and
filtern
and
drain
out
brake
fluid
2
Pry
off
stopper
ring
using
a
screwdriver
3
Remove
stopper
screw
and
take
out
stopper
primary
piston
assembly
spring
and
secondary
piston
assembly
in
the
order
shown
Note
Discard
caps
if
they
are
reo
moved
from
piston
assemblies
and
use
new
ones
4
Unscrew
pluga
to
gain
access
to
check
valve
for
disassembling
Note
a
Never
detach
reservoir
tanks
If
they
are
removed
for
any
reason
discard
them
and
install
new
ones
b
Do
not
remove
or
disassemble
brake
fluid
level
gauge
INSPECTION
Thoroughly
clean
all
parts
in
a
suitable
solvent
and
check
them
for
wear
or
damage
Replace
any
part
that
is
faulty
Brake
System
CAUTION
Use
brake
fluid
to
clean
Never
use
mineral
oil
I
Check
cylinder
and
pistons
for
evidence
of
abnonnal
wear
or
damage
Replace
if
found
faulty
2
Check
piston
to
cylinder
clear
ance
If
it
exceeds
the
specified
value
replace
either
piston
or
cylinder
Piston
to
cylinder
clearance
less
than
0
15
mm
0
0059
in
3
Check
springs
for
weakness
fatigue
or
damage
Replace
if
neces
sary
4
When
master
cylinder
is
disas
sembled
be
sure
to
discard
caps
and
valves
Replace
any
other
parts
which
show
evidence
of
deformation
wear
or
other
damage
S
Replace
damaged
oil
reservoirs
and
caps
ASSEMBLY
Assemble
master
cylinder
following
the
reverse
procedure
of
disassembly
paying
particular
attention
to
the
fol
lowing
note
Note
a
Replace
gaskets
and
packing
with
new
ones
b
Apply
brake
fluid
or
rubber
grease
to
sliding
contact
surface
of
parts
to
facilitate
assembly
of
master
cylinder
c
The
brake
master
cylinder
is
avail
able
in
both
NABCO
make
and
TOKICO
make
There
is
no
inter
changeability
of
repair
kits
or
com
ponent
parts
between
NABCO
and
TOKlCO
makes
When
replacing
the
repair
kit
or
component
parts
ascertain
the
brand
of
the
brake
master
cylinder
body
Be
sure
to
use
parts
of
the
same
make
as
the
fonner
ones
INSTALLATION
Install
master
cylinder
following
the
reverse
procedure
of
removal
After
installation
bleed
brake
system
BR
5
CAUTION
When
installing
Flare
Nut
6694310000
brake
tubes
use
Torque
Wrench
CiJ
Tightening
torque
Brake
master
cylinder
securing
nut
0
8
to
t
1
kg
m
5
8
to
8
0
ft
lb
Brake
tube
flare
nut
1
5
to
1
8
kg
m
11
to
13
ft
b
BRAKE
FLUID
LEVEL
GAUGE
Inspection
I
Disengage
hand
brake
control
lever
2
Raise
cap
and
make
sure
that
hand
brake
warning
lamp
goes
on
when
float
comes
into
contact
with
stopper
BRAKE
LINE
REMOVAL
I
Remove
flare
nuts
on
both
ends
and
remove
retainers
and
clips
CAUTION
When
removing
brake
tubes
and
hoses
use
suitable
tube
wrench
Never
use
open
end
or
adjustable
wrench
2
To
remove
brake
hose
first
re
move
flare
nut
securing
brake
tube
to
brake
hose
and
withdraw
lock
spring
End
of
hose
can
then
be
removed
from
bracket
Next
remuve
brake
hose
Do
not
twist
brake
hose
INSPECTION
Check
brake
lines
tubes
and
hoses
for
evidence
of
cracks
deterioration
or
other
damage
Replace
any
faulty
parts

FOREIGN
DISC
PAD
INSTALLATION
INSTRUCTIONS
Typical
Ate
Teves
System
Removel
1
Drain
about
half
of
the
brake
fluid
out
of
the
master
cylinder
prior
to
replacing
the
disc
brake
pads
This
will
allow
sufficient
expansion
room
for
the
brake
fluid
in
the
lines
when
the
pistons
are
pushed
back
into
their
bores
to
make
room
for
the
added
Ihickness
of
the
new
pad
linings
2
Reise
the
car
and
lemove
tire
and
wheel
3
The
breke
pads
can
be
removed
without
lemovinll
the
caliper
from
the
car
4
The
brake
pad
reteining
pins
are
held
in
plaCe
bY
lock
rinlls
in
Ihe
inner
caliper
housing
The
pins
must
be
knocked
out
with
e
hammel
end
punch
from
theoulllide
5
Remove
spreader
spring
which
is
positioned
under
the
pins
6
A
special
tool
is
available
flom
the
car
manufacturer
forremoving
pads
from
caliper
or
pliers
can
be
used
to
pull
them
oul
be
careful
not
to
damage
the
rotor
7
Push
Ihe
brake
pistons
back
into
their
boros
If
you
encounter
difficulty
in
pushingil
he
pistofls
back
lhere
may
very
weIL
Wr9Jl
l
ern
in
lh
e
caliper
that
calls
for
more
attention
than
simplY
replecing
worn
out
pads
IUhe
pistons
are
eticking
or
If
the
seals
are
leaking
you
should
disassembl
the
caliper
and
repair
il
8
Lift
out
old
pads
from
Ihe
caliper
9
Remove
O
Ring
from
inside
caliper
Inslallatlon
II
1
Apply
silicone
lubricanl
to
Ihe
O
Rings
ana
to
grooveS
inside
each
caliper
2
Assemble
an
O
Ring
in
each
groove
3
Position
innor
pads
in
caliper
4
Position
oulpad
in
caliper
5
Replacespreadet
spring
8
ReplaceiPtnsaM
lighter
7
Install
wheel
and
lire
l
Final
Checl
A
Iter
Ihe
new
padS
have
been
installed
on
bolh
front
wheel
check
the
master
cylinder
fluid
level
Rlllhe
reservoiril
necessary
Depress
Ihe
brake
pedal
firmly
severaUlmes
to
sellhe
new
pads
on
he
rotor
i
See
Inst
ctionsOnBat
k
of
Box
For
rr
l8ge
of
EMP
l
iL
1
f
J
TypIcal
Ale
System
New
Brake
Division
Boston
MA
02135
Commerce
CA
90040
Fort
Worth
TX
76106

BR563
Fig
BR
10
Removing
Pad
Inspection
Clean
pads
with
cleaning
solvent
CAUTION
Use
brake
fluid
to
clean
Never
use
mineral
oil
2
When
pads
are
heavily
fouled
with
oil
or
grease
or
when
pad
is
deteriorated
or
deformed
replace
it
3
If
pad
is
worn
to
less
than
the
specified
value
replace
Pad
wear
limit
Minimum
thickness
t
6
mm
0
063
in
Note
Always
replace
pads
in
pad
kit
four
pads
two
clips
four
pad
pins
and
four
pad
springs
4
Check
rotor
referring
to
Rotor
for
inspection
Installetlon
I
Clean
and
apply
P
RC
grease
on
yoke
guide
groove
of
cylinder
body
sliding
contact
portions
of
yoke
and
end
surface
of
piston
Note
a
Do
not
use
common
brake
grease
b
Be
careful
not
to
get
brake
grease
on
rotor
and
pads
2
Loosen
air
bleeder
and
push
pis
ton
B
outer
piston
in
cylinder
until
end
surface
of
piston
B
coincides
with
end
surface
of
retaining
ring
on
boot
Then
inner
pad
can
be
installed
Brake
System
BR564
Fig
BR
11
Pushing
Piston
CAUTION
Piston
can
be
easily
pushed
in
by
hand
but
if
pushed
too
far
groove
of
piston
will
go
inside
of
piston
seal
as
shown
in
Fig
BR
12
At
this
point
if
piston
is
pressured
or
moved
piston
seal
will
be
damaged
If
piston
has
been
pushed
in
too
far
remove
brake
assembly
and
disassemble
it
Then
push
piston
out
in
the
direction
shown
by
arrow
Assemble
it
again
referring
to
follow
ing
section
00
I
Normal
I
position
L
BR409
Fig
BR
12
Position
for
Pushing
Piston
3
Push
piston
A
inner
piston
in
cylinder
by
pulling
yoke
as
shown
The
outer
pad
can
then
be
installed
BRS6S
Fig
BR
13
Pulling
in
Piston
A
BR
7
4
After
installing
pads
depress
brake
pedal
several
times
and
pads
will
settle
into
proper
position
Note
When
worn
out
pads
are
re
placed
with
new
ones
brake
fluid
may
overflow
reservoir
While
re
placing
pads
keep
loosening
bleeder
to
release
brake
fluid
5
Install
wheels
and
lower
car
to
ground
REMOVAL
I
Remove
pads
Refer
to
Pad
Re
placement
2
Remove
brake
tube
from
caliper
assembly
CAUTION
When
removing
brake
tube
use
suit
able
tube
wrench
Never
use
open
end
or
adjustable
wrench
Note
Plug
up
hole
in
caliper
so
that
brake
fluid
does
not
flow
out
from
cylinder
body
3
Loosen
bolts
securing
cylinder
body
to
knuckle
spindle
and
remove
caliper
assembly
from
strut
DISASSEMBLY
I
Drain
brake
fluid
from
top
hole
of
cylinder
body
2
Push
both
pistons
A
and
B
into
cylinder
Refer
to
Pad
Replacement
3
Tap
cylinder
body
lightly
with
a
plastic
hammer
Cylinder
will
then
separate
from
yoke
BR115A
Fig
BR
14
Tapping
Cylinder
Block

Remove
bias
ring
from
piston
A
S
Remove
retaining
rings
and
boots
at
the
end
of
both
pistons
A
and
B
I
Biuring
2
Boot
3
Retaining
ring
BA567
Fig
BR
15
Cylinder
Body
and
Pi
tan
6
Force
out
pistons
from
cylinder
by
feeding
compressed
air
gradually
WARNING
Gradually
increase
air
pressurs
10
that
piston
does
not
pop
out
7
Remove
piston
seals
CAUTION
Be
careful
not
to
damBlle
piston
and
cylinder
boily
8
Remove
yoke
spring
from
yoke
INSPECTION
Clean
au
parts
and
check
u
fol
lows
CAutiON
Use
brake
fluid
to
claan
Never
use
minersl
oil
Cylinder
bod
1
Check
inside
surface
of
cylinder
for
score
rust
wear
damage
or
pres
ence
of
foreign
substances
If
any
surface
fault
is
detected
replace
cyl
inder
body
2
Minor
damage
from
rust
of
foreign
substances
may
be
eliminated
by
polishing
surface
with
a
fme
emery
cloth
If
damage
is
major
cylinder
assembly
must
be
replaced
Brake
System
Yoke
Check
for
wear
cracks
or
other
damage
Replace
if
any
fault
is
de
tected
PIston
Check
piston
for
score
rust
wear
damage
orpresenco
of
foreign
sub
stances
Replace
if
any
fault
is
de
tected
CAUTION
Piston
sliding
surface
is
plated
00
not
polish
with
emery
peper
even
if
rust
or
foreign
matter
is
sticked
on
sliding
surface
PIston
seal
end
dust
seel
Replace
piston
seal
and
dust
seal
at
each
dis
mbly
ASSEMBLY
1
Apply
rubber
grease
to
cylinder
bore
and
install
piston
seal
2
Insert
bias
ring
into
piston
A
so
that
the
roundish
portion
of
it
faces
the
bottom
of
piston
A
bore
I
ID
J
if
C
jt
11
e
1
@
I
j
BA
I
Roundish
portion
3
Chamfer
2
Piston
A
4
Yoke
Fig
BR
16
A
embly
af
Bia
Ring
to
Piston
A
CAUTION
a
Be
careful
not
to
mistaka
piston
B
for
piston
A
b
Pistons
A
and
B
are
distinguished
from
each
other
by
a
dent
at
the
inner
bottom
of
piston
A
BR
8
Piston
A
Piston
B
BR41S
Fig
BR
17
Pisto
A
and
B
Note
Bias
ring
must
be
instaDed
on
the
original
position
3
Apply
rubber
grease
lightly
to
the
sliding
portions
of
pistons
and
insert
into
cylinder
Note
a
Insert
pistons
A
and
B
from
each
outside
b
When
inserting
pistons
be
careful
not
to
insert
too
far
Refer
to
Pad
Replacemeni
c
Install
piston
A
so
that
yoke
groove
of
bias
ring
of
piston
A
coincides
with
yoke
groove
of
cylinder
4
Instau
boot
and
retaining
ring
S
Install
yoke
springs
an
bias
ring
on
yoke
Front
face
1
1
0
Rear
face
BA416
1
Bias
Sprinl
2
Yoke
spring
Fig
BR
18
Yoke
with
Yoke
Spring

REAR
BRAKE
1
Brake
disc
2
Wheel
cylinder
assembly
3
Brake
shoe
assembly
4
Return
spring
5
Adjuster
assembly
6
Stopper
1
Stopper
pin
8
Anti
rattle
pin
9
Spring
se
t
10
Anti
rattle
spring
11
Retainer
REMOVAL
L
Jack
up
rear
of
car
and
support
it
with
safety
stands
2
Remove
wheel
and
brake
drum
I
Engage
hand
brake
lever
2
Pull
pin
out
and
remove
stopper
from
toggle
lever
3
Disengage
hand
brake
lever
If
brake
drum
cannot
be
easily
removed
install
two
baIts
8
mm
diameter
I
25
mm
pitch
to
drive
it
out
3
Disconnect
brake
tube
flare
nut
Install
a
brake
line
plug
in
open
end
of
brake
tube
CAUTION
When
removing
brake
tube
use
suitable
tube
wrench
Never
use
open
end
or
adjustable
wrench
4
Remove
hand
brake
return
spring
and
pull
out
clevis
pin
to
separate
hand
brake
cable
and
lever
5
Remove
anti
rattle
spring
and
pin
6
Remove
return
spring
and
brake
shoes
Brake
System
Dueetio
of
ro
tiO
Front
of
car
7
Remove
dust
cover
and
toggle
lever
with
adjuster
assembly
8
Remove
wheel
cylinder
DISASSEMBLY
AND
ASSEMBLY
Wheel
cylinder
BR909
I
Dust
cover
2
Piston
3
Piston
cup
4
Wheel
cylinder
body
5
Spring
6
Bleeder
1
Bleeder
cap
Fig
BR
23
Wheel
Cylinder
Remove
dust
cover
and
parts
will
BR
l0
Tightening
torque
kg
m
ft
lb
@
0
6
to
0
8
4
3
ro
5
8
@
2
2
to
2
7
16
to
20
BR116A
Fig
BR
22
Rear
Broke
be
disassembled
Thoroughly
wash
all
parts
Assem
ble
wheel
cylinder
in
reverse
order
of
disassembly
CAUTION
Use
brake
fluid
to
clean
Never
use
mineral
oil
Note
a
Apply
a
coating
of
brake
fluid
to
piston
cliP
at
assembly
b
Charge
with
genuine
Nissan
disc
brake
grease
KR60900010
or
equivalent
before
installing
dust
cover
c
The
brake
wheel
cylinder
is
avail
able
in
both
NABCO
make
and
TOKlCO
make
There
is
no
inter
changeability
of
repair
kits
or
com
ponent
parts
between
NABCO
and
TOKlCO
makes
When
replacing
the
repair
kit
or
component
parts
ascertain
the
brand
of
the
brake
wheel
cylinder
body
Be
sure
to
use
parts
of
the
same
make
as
the
fonner
ones