brake pads replacement DATSUN 210 1979 Service Manual

Page 324 of 548


Front
Axle

Front

Suspension

INSPECTION
AND
ADJUSTIVIENT

INSPECTION

Inspect
in
accordance
with

periodic

maintenance
schedule

Block
rear
wheels
with
chocks

2

Jack

up
the
front

of

car
and

support
it
with

safety
stands

Refer
to

Section
GI
for

lifting

points
and

towing

3

Shaking
each
fiont
wheel

by

grasping
the

upper
and

lower
surfaces

of
the
tires
check

suspension
parts
for

looseness
wear
or

damage
Tighten
aU

loose
bolts
and

nuts
to
the

specified

torque
Replace
all
worn

parts
as

described
under
Front

Suspension

4

Check
wheel

bearings
If

there
is

any
axial
end

play
adjust

bearings
to

specifications

Replace
worn
or

damaged
bearings

as
described
under
Front

Axle

S
Check

strut
for
oil

leakage
or

damage

ADJUSTMENT

WHEEL

BEARING

Block

rear
wheels
with
chocks

2

Jack

up
the
front
of
car
and

support
it

with

safety
stands

3

Remove
brake

pads
Refer
to

Section
BR
for

pad
replacement

4

Remove
hub

cap
cotter

pin
ad

justing

cap
and
wheel

bearing
nut

S

Sparingly
apply
recommended

multi

purpose

grease
to
threaded

por

tion

of

spindle
and

contact
surface

between
wheel

bearing
washer
and

outer
wheel

bearing

6

Tighten
wheel

bearing
nut

using

a
suitable

torque
wrench

P
Tightening

torque

Wheel

bearing
nut

3
0
to
3
5

kll
m

22

to
25
ft

Ibl
Fig
FA

Tighlening
Wheel

Bearing

Nul

7
Turn

wheel
hub
several
times
in

both
directions
to

seat
wheel

bearing

correctly

again
tighten
wheel

bearing

nut
to
the
above

torque

8
Turn
back
wheel

bearing
nut
A

degrees

Return

engle
AU

900

Install

adjusting
cap
and

align
any

of
its
slots
with
hole
in

spindle
If
the

above

procedure
fails
to

align
hole
and

slot

together
then

tighten
lock

nut
as

much
as
I

S

degrees
until
hole
in

spindle
is

aligned
with

eny
slot

CAUTION

00
not

overtighten
wheel

bearing
nuts

as
this

can
cause
wheel

bearing
seizure

9
Turn

hub
in
both

directions
two

or
three
times

measuring
its

turning

torque
and

axial

play
to

ee
if

they
are

within
the

specified
range
If

they
are

not

adjust

Axial

play

Omm

Din

Wheel

bealing
starting
torque

With

new

gleaS8
l8al

A

measured
et

wheel

bearing

nut

less
than
7

kg
cm

G
1
in
Ibl

FA
2
AJ
measuled
et
wheel
hub

bolt

Less
then
1
2

kg
12
G
Ibl

With
u
ed

gr
seal

AJ
measured

at
wheel

bealing

nut

1
0
to
4
5

kg
cm

0
9
to
3
9
in
b

AJ
measuled
at

wheel
hub

bolt

0

17
to
0
79

kg

0
37
to
1
741bl

FA413

Fig
FA
2
Metr

uring
Bearing
Starting

Torq
ue

Repeat
above

procedures
until
cor

rect

starting
torque
is

obtained

Note

a

Correctly
meas
e
rotation

slar
ting

force

toward

tangential
direction

against
hub
bolt

b

Above

figures
do
not

include

dragging
resistance
with

pads
re

moved
on
disc
brake
models

c

Any

slightest
wheel

bearing
axial

play
cannot
be
tolerated

10
Insert
new
cotter

pin
with
the

legs
through
hese
two

parts
spread

legs
away
from
each
other

against
sides

of
wheel

bearing
nut

Page 358 of 548


If

leakage
oCcurs

at
end
around

joints
re

tighten
Of

if

necessary
re

place
faulty

parts

INSTALLATION

Pay
particular
attention
to
follow

ing
instructions
when

installing
brake

lines

I
Leave
a
sulfident

space
between

brake
lines
and

adjacent
parts
so
that

brake
lines
are

completely
free
from

vibration

during
driving

2
Be
careful
not
to

warp
or
twist

brake

lines

3
When

installing
brake
tube

keep

a
certain

distance
between
tube
and

adjacent

parts
as

follows

Tube
to

rotating
parts

30

mm
1
18
in

Tube
to

moving
parts

10
mm
10
39
in

Tube
to
other

palls

5

mm
10
20
in

4

Always
fasten
brake
tubes
with

mounting

clips
where

necessary

On
rear
axle

case
are
two

double

dips
which

should
be
used
to

secure

brake
tubes

in

manner
described
be

low

Bend
short

clip
straight
up
With

brake
tube

on

long
clip
bend

clip

up

and
around
tube

Finally

wrap
short

clip
around
tube
to

secure
the
in

slallation

f
J

i

2

BA141

Fig
BR
7

Fastening
Brake
Tube

Securely
with
Double

Clip

5

Do

not

tighten
brake
line
mount

ing
flare
nut

excessively

CAUTION

When

installing

Fla
e
Nut

6694310000
brake
tubes

use

Torque
Wrench
Brake

System

t
D
Tightening

torque

Brake
tube
flare
nut

1
5
to
1
8

kg
m

11
to
13
ft
lb

Brake
hose
connector

1
7
to
2
0

kg
m

112
to

14
ft
lb

J

way
connector
bolt

0
8
to

1
1

kltm

5
8
to
8
0
ft

Ib
NP

VALVE

Front
wheel

cylinder

Front
wheel

cylinder
Master

cylinder

front
jde

6

Upon
completion
of

installation

of

brake
lines

bleed
air
out
of

brake

lines
Rear
wheel

cylinder

BR114A
Master

cylinder

rear
side

Fig
BR
B
NP
Valve

FRONT

DISC
BRAKE

9
ilJ

I

Bias
s

pring

2
Yoke

3
Bleeder

4

Piston
seal

5
Piston
B
11
Piston
A

12

Cylinder
body

13
Pad

spring

14
Pad

15
Pin
6
Boot

7

Retaining
ring

8
Clip

9
Yoke

spring

10
Bias

ring

BR123A

Fig
BR
9
Di
c
Broke

PAD
REPLACEMENT
Note
Check
to
ensure
that

pad

springs
rebound

easily

3
Detach

pads
from

caliper
assem

bly
with

pliers
Removal

I
Jack

up
front
of
car
and

support

it
on

safety
stands
Remove
wheel

2
Remove

clips
and

pull
out

pins

extracting
coil

spring
and

pad
springs

by
hand
CAUTION

After

removing
pads
do
not

depress

brake

pedal
or

piston
will

jump
out

BR

Page 361 of 548


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