1968 DATSUN 510 brake fluid

v

194

CHAPTER

FOURTEEN

3

Right
hand
rear
brake
disc

4
Left
hand
rear

brake
disc

5
Fore
rear

brake
shoe

6
Aft
rear

brake
shoe

7
Brake

IImng

8
Rear
brake

adjuster

9

Adjuster
wedge

11
Lock
washer

12
Hex
nut

13
Wheel

cylinder

assembly

14
Piston

cup

15
Piston

16
Dust
cover

6
@

5
Check
the
wheel

cylinder
for

wear

rust
and

damage
If

defectIve

replace

6
Check
die
clearance

between
th

cyhnder
and

the

piston
If
the
clearance
18

greater
than

Q
0059
m
0
15mm

replace
the

cylinder
The

cyluiders
can
be
honed
With

a
wheel

cyhnder

hone
If
the
maXImum
dimensIOn
has

not
been

reached

7

Replace
the

piston

cups
whenever
the

cyhn

derds
disassembled

even

though
the

cups
appear

to

be
m

good
condition

Rear
Brake

Assembly

1

Assembly
IS
the
reverse
of

disassembly

2
Be
careful

not
to

get
dirt
or
brake
fluid

on
the

brake

hnnlgs

3

AdJust
shoe
clearance

then
bleed
the

hy

draulIc

system
17
Dust
cover

ring

18
21
Lock

plates

22
Dust
cover

23

Lever

assembly

24

Bleeder
screw

25
Bleeder

cap

26
Return

spring

27
Return

spring
adjuster

slide

29
Anti
rattle

spring

30
Anti
rattle

pin

31
Anti

rattle

spring
set

32
Anti

rattle
retainer

spring

23

22

24

e

17

a
25

FRONT
BRAKE

pICK
UP

Figure
15
shows
the
front
brake

system
for

the

pick
up
Generally
speaking
follow
the
same

procedures
given
for
removal

disassembly
re

pair
and

assembly
of
the
sedan

wagon
rear

brake
The

followmg
specifications
apply
to
the

pick
up
front
brakes

Inner

Drum
Diameter

Drum

Out
of
Round

MaXimum
DIameter
after

gnndlng
10
00
In

254mm

Less
than
0
0008
In
0
02mm

10
04
In
255mm

REAR
BRAKE

pICK
UP

Figure
16
shows
the

rear
brake

system
for
the

pick

up
Generally
follow
the

same

procedures

given
for

removal

disassembly

repaIr
and

assembly
as

given
for
the
sedan

wagon
rear

brake
Pertment

specificatIons
are
the
same
as

for
the
front
brakes

196
CHAPTER
FOURTEEN

WHEEL

CYLINDERS

pICK
UP

Figures
17
and

18
illustrate
the
front
and
rear

wheel

cylinders
used
on
the

pick
up
Mainte

nance

procedures
are

essentially
the
same
as

specIfied
for
the
sedan

wagon

BRAKE
SYSTEM

BLEEDING

Brakes

require
bleeding
whenever
air
enters

the

system
lowering
the
effectIve

braking
hy

draulic

pressure
This
can

happen
when
the

@

@

@

@

D

1
Wheel

cylmder
hOUSing

2
Piston

3
Piston

cup

4
Piston
head

5
Dust
cover
6
Connector

7

Connector
bolt

8

Paclang

9
Bleeder

screw

10
Bleeder

cap
master

cylinder
or
wheel

cylinders
are
serviced

or
If
the
fluid
m
the
reservoir

TWlS

dry
Air
can

also
enter

through
a

leaky
brake
line
or

hose

Find
the

leaky
line
or
hose

and

replace
it
before

bleeding

When

handling
brake
fluid
be
careful
not
to

get
any
on
the
brake
shoes
or

body
paint
Brake

shoes
will
be

permanently
damaged

requiring

replacement
Body

pamt
can
be

damaged
unless

you
Wipe
the
area
with
a
clean
cloth
immedi

ate
then
wash
it
with
a

soapy
solution

r

@

@

1
Wheel

cyhnder
hOUSing

2
Piston

3
Piston

cup

4
Dust
cover

5

Snap

ring

6
Connector

7

Packmg

8
Connector

bolt

9
Bleeder
screw

10
Bleeder

cap

@

BRAKES
IV

197

I
Ensure
that
the
brake

flUid
reservOir

at
the

master

cylmder
IS
full

and
that
the
vent

m
the

cap
is

open

2
Connect

a

plastIc
or

rubber
tube
to
the

bleeder
valve

on
the

nght
rear
wheel

Suspend

the
other
end
of
the

tube
m
a

Jar
or
bottle
filled

With
a
few
Inches
of
clean

brake
flwd

During
the

remaInIng

steps
keep
thiS

end

submerged
at
all

times
and
never
let
the
level

in
the

brake
flUid

reservoir

drop
below
full

3

Open
the

bleeder
valve
on
the

nght
rear

wheel
about

one
turn
Have
an
asSistant

depress

the
brake

pedal

slowly
As
soon
as
the

pedal
is

all
the

way
down

close
the
bleeder
valve
and
let

the

pedal

up
Repeat
thiS

step
as

many
tImes
as

necessary
until

pure
flUid
WithOUt
au
bubbles

comes
from
the

tube

4
Bleed
the

remammg
wheels
m
the

followmg

order
left
rear

nght
front
and
left
front

Keep

checkmg
the

brake
flUid
reservoir
to
make

cer

tam
It
doesn
t
TWl

out
of
flUId

5
When
all
wheels

are
bled
fill
the
reservOIr
to

the
full
level

Never
reuse
the
brake
flwd

bled

from
the

system
or

any
that

has
been

lymg

around
Start

With
a
fresh
contaIner

HANDBRAKE

Figures
19
next

page
and
20

page
199

are

exploded
views
of
the
handbrake

system
used
on

the

sedan
and
statIon

wagon
respectively
F1gDre

21

page
200

shows
the

pick
up
handbrake

system

Front

Cable
Removal
Sedan
and

Wagon

I
Release

handbrake

completely
Disconnect

the
front

cable

by
removmg
the
cleVIS

pm
that

connects
to
the
handbrake
control
stem

2
Screw
out
the

adJusting
nut

from
the

rear

end
of
the
front
cable
Disconnect
the
cable
from

the
center
lever

4
Remove
the

hand
brake

cable

clamp
from

under
the
verucle

Pull
out
the
lock

plate
fixmg

the
front

cable
to
the
front
cable
retamer
Ex

tract

the
front
cable

5

Unfasten
the
front
cable
outer

casing
from

the
bracket
Remove
the
cable

Front
Cable
Removal

Pick
up

I

Loosen
handbrake
2
Remove
cleVIS

pm
and

separate
cable

from

outer
lever
See

Figure
22

p

3
Remove
cleVIS

pm
and

eparate
cable
from

front
lever
Removecable

4
Remove
center
cable
from

control

levers

by

removmg
cleViS

pms

Rear
Cable
Removal
Sedan

I
Remove

adJusting
nut
from

adJuster
DIScon

nect
left
hand
rear
cable

from
handbrake
ad

Juster

2
Pull
out
lock

plates
see

Figure
23
and
re

move
cleVIS

pms
that

connect
rear
cable
With

rear
wheel

cylJnder
levers
Remove
cable

Rear
Cable

Removal

Wagon

1
Remove
both

cleVIS

pins
at
the
ends
of
the

rear
cable

2
Remove
cable