1979 DATSUN 210 drain bolt

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

Condition

Unbalanced
brakes

Brakes
fade

Brakes

drag
Brake

System

Probable

cause

Improper
tire
inflation

Improp
r

adjustment
of
shoe
to
drum
clear

ance

Grease
oil
mud
or
water
on

linings
or

pads

Mud
in
brake
drum

Deterioration

oflinings
or

pads

Excessi
wear
of

linings
or

pads

Wheel

cylinder
in

poor
condition

Poor

sliding
condition
of
brake
shoe

Looseness
of

cylinder
body
or

back

plate

securing
bolts

Scored
or

out
f
round

drums

Sticking
wheel
cylinder

cups

Deformation
of
back

plate

Incorrect

adjustment
of
wheel

bearings

Incorrect

adjustment
of
wheel

aligoment

Looseness
of
leaf

spring
securing
U
bolts

Brake
fluid

has
too

low

boiling
point

Use
of

improper

linings
or

brake

linings
are

contaminated

Brake
drums
are

out
f

round

Hydraulic
connections
master

cylinder
and

wheel

cylinders
are
corroded
or

damaged

Bleed
screw
is

open

Pedal

linkage
is

binding
or

push
rod

adjust

ment
is
too

long

Master

cylinder

compensator
part
is

ob

structed

Seized
master

cylinder

piston

Poor
shoe
condition

Poor
wheel

cylinder
condition

Deformation
of

piston

cups

Poor
condition
of

caliper
because
of

faulty

piston
seals

Excessive
runaut
of
rotor

Hand
brake

will
not
return

Clogged
m

ter

cylinder
return

port

BR
20
Corrective
action

Inflate

to
correct

pressure

Readjust

Clean
brake
mechanism
and

check
for

cause

of

problem
Replace

linings
or

pads

Clean

Replace

Replace

Repair
or

replace

Adjust

F
ten
or

replace

Recondition
or

replace
brake
drum
as
re

quired
Check
for

improper

lining
contact

with

dflllll
and

grind
lining
if

necessary

Recondition
or

replace
cylinder

Replace

Adjust
or

replace

Adjust

Tighten
or

replace

Drain
and
fill

system
with

appr
d
fluid

Replace
linings

Repair
or

replace
as

necessary

Repair
as

necessary

Close
screw

and
bleed

system

Lubricate

linkage
check

pedal
return

spring

for
condition
and

adjust
push
rod
as
neces

sary

Blowout

foreign
matter
with

compresSed

air

Disassemble

master

cylinder
and

replace

piston
Bleed

system

Clean
and

repair

Repair
or

replace

Replace

Replace
piston
seals

Turn
rotor
on
lathe
or

replace

Check
and

repair

Clean

REMOVAL
AND

INSTALLATION

HEATER
CONTROL

SEMBLY

I
Disconnect

battery

ground
cable

2
Pull
off

control
lever

knobs

3
Remove

cllJs
r

lid
A

4
Remove
defroster
ducts

5
Disconnect

door
control
cables

and
rod
at
each
door
Body
Electrical

System

6

Disconnectharness
tonnec1or

7
Remove
heater
control

assembly

with

bracket
from
instrument

panel
by

loosening
attaching
screw

8
Install
heater
control

assembly
in

the
reverse
order
of
removal
After

installing
heater
oontrol

assembly
oon

trol
cables
and
rod

must
be

adjusted

by

referring
to

Adjusting
Heater
Con

trol

HEATER
UNIT

I
Disconnect

battery
ground
cable

2

Drain

engine
coolant

3
Remove

package
tray
with

brack

et
if

equipped

4
Remove
console
box
if

equipped

5
Remove

cluster
lid
A

6
Remove

heater
control

assembly

7
Remove

radio
receiver

8
On
air
conditioner

equipped

models

disconnect
cooler
ducts
at

heater
unit

side

9
Remove

center
ventilator
duct

10

Disconnect
blower

motor
har

ness
connector

II

Disconnect
inlet

of
wat
r
cock

and
outlet

of
heater
core
hoses

by

loosening
hose

clamps

12

Remove
heater
unit

after
re

moving
heater
unit

retaining
bolts
To

air

intake
door

BE19
C

Fig
BE
63
Heater
Control
Assembly

13

Install
heater
unit
in

the
reverse

order
or
removal

rf

o

t

a

1
BE190C

Fig
BE
64

Removing
Heater
Unit

BLOWER
MOTOR

I

Disconnect

battery
ground
cable

2
Disconnect
blower
motor
harness

connector

BE

26
3

Remove
blower
moto
after

rti

moving
blower
motor

retaining
screws

4

Install
blower

motor
in

the
re

verse
order
of
removal

RESISTOR

I

Disconnect

battery
ground
cable

2
Disconnect
harness
connector

3
Remove
resistor

by

pulling
it

Note
Resistor

can
be
removed

iIy

by
prying
from
above
and
below

with

a
fbt
blade
screwdriver
with

resmor

slightly
raised
from
heater

unit

4

Install
resistor
in
the

reverse

order
of
removal

1
Remtor

2
Blower

3
BlOWer
motor

BE244D

Fig
BE
65

Removing
Blower
Motor

and
Resistor

WATER
COCK

I

Remove
heater
unit

2
Remove
water
cock

attaching

screw

3

Disconnect
hoses

by
loosening

hose

clamps

4
Install
water
cock
in

the
reverse

order
of
removal

INSTA
L1ATION

InstaU
in
the
reverse

order
of

removal

observing
the

following

I

When

installing
add

required

amount
Of

compressor
oil
Refer
to

Compressor
Oil
Level
Check

2

Apply
a

coat
of
fresh

compressor

oil
to

sealing
surfaces
of

pipe
joints

3
Check

tightening
torque
of
com

pressor
mounting
bolts

compressor

mounting
bracket

mounting
bolts
and

refrigerant
line
See
Figs
AC
27

and

AC
29

4

DO
not
remove
plugs
from

com

pressor
and
flexible
hose
before

connecting
hoses

S
Turn

compressor
several
times

before

installing

6

Adjust
compressor
drive

belt

tension

See

Fig
AC
2S

7
Evacuate

and

recharge
system

Refer
to

General
Service

for

evacuating
system
and

charging
re

frigerant

8
Conduct
leak
test
and
make
sure

that
there
is

no
leak
from
connections

CONDE
NSER

REMOVAL

Disconnect

battery
ground
cable

2

Discharge
system
Refer
to

Gen

eral
Service
for

discharging
system

3
Remove

radiator

grille

4
Remove

center

stay

5
Disconnect

refrigerant
lines
from

condenser

CAUTION

8
Use
wrench
to
fix
union
on
con

denser
and
then
loosen
flare
nut
of

refrigerant
line
with
another

wrench

b

Plug

up
all

openings
in
condenser

and

system
Air

COl1ditioning

6

Remove

mounting
bolts
ihen

remove
condenser

from
car

1a

11

AC384A

Fig
AC
28

Removing
Condenser

INSPECTION

Inspect

joints
of
inlet

and
outlet

pipes
for
cracks
and
scratches

Upon

finding
any

problem
which

may
cause

gas
to
leak

repair
or

replace
con

denser

Condenser
fins
or
air

passages
clog

ged
with
dirt

insects

or
leaves
will

reduce

cooling

effiCiency
of
con

denser
In

such
a
case

clean
fms
or

air

passages
with

compressed
air

CAUTION

Do
not
clean
condenser
with
ste8m

Be

sure
to

use
cold
water
or
com

pressed
air

INSTALLATION

Install
condenser

in
the
reverse

order
of
removal

observing
Ihe
follow

ing

I

When

replacing
condenser
add

same
amount

of
oil
as

was
drained

from

previous
condenser
to
com

pressor

AC

20
2

Keep
piugsin

place
until
im

mediately
before

connecting
work
is

started

3
Refer
to

Refrigerant
Line

for

tightening

torque
on

line
connec

tions

4

Refer
to
General
Service
for

evacuating
and

charging
system

5
Conduct
leak
test
and
make

sure

that
there
is

no
leak
from
connections

RECEIVER

DRIER

REMOVAL
AND

INS

ALLATION

See

Fig
AC
29

Disconnect

battery
ground

2

Discharge
system
Refer

to
Gen

eral
Service
for

discharging
system

3

Disconnect

refrigerant
lines

from

receiver
drier

CAUTION

Plug
all

openings
to

prevent
entrance

of
dirt
and

moisture

4

Remove
receiver

drier

mounting

screws
Remove

receiver
drier

5
Install

receiver
drier
in

the
reverse

order
of
removal
With

plugs
taken
off

immediately
before

connecting
work

is

started
connect
line
and
receiver

drier

Refer
to

Refrigerant
Une

for

tighten

ing

torque

6
Refer

to
General
Service
for

evacuating
and

charging
system

7

Conduct

leak
test
and
make
sure

that

there
is

no
leak
from
connections

INSPECTION

Check

receiver
drier

for
leaks

or

damage
If

necessary
replace