1979 DATSUN 210 wheel cylinder

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

Condition

Brakes

drag

Brake
chatters

Brake

squeals

Pedal

pulsates

Rear

lock

under

light
brake

pedal
force

Rear

lock

under

heavy
brake

pedal
force
Brake

System

Probable
cause

Clogged
brake
lines

Incorrect

adjustment
of
wheel

bearings

Improper
shoe
to
drum
clearance

Weak
shoe
return

springs

No

free
travel
in

brake
shoe
return

Groove

or
out
of
round
brake
drum

or
rotor

Loose

or
bent

support
plate

Distorted

brake

shoes
or

pads

Grease
or

brake
fluid
on

linings

Dirty
or
scored

brake
drums

Distorted
brake
shoes

or
bent

support
plate

Weak
or
broken
brake
shoe

retaining
spring

or
return

spring

Glazed
or

contaminated
brake

lining

Out
of
round
or
off
center
drum

On

disc
brakes
lateral
runout
of
brake

rotor

is

excessive

Excessive
variation
in

thickness
of
brake

rotor
surfaces

Improper
tire

pressures

Excessive

wear
of

tires

Faulty
NP
valve

Improper
tire

pressures

Excessive
wear
of
tires

Poor

front

braking
effect

Grease
oil
mud

or
water
on

linings

or

pads

Excessive
wear

of

linings
or

pads

Local
fit
of

linings
or

pads

Master

cylinder
or

wheel

cylinder
in

poor

condition

BR
2t
Corrective
action

Check
and
clean

Adjust
or
repair

Adjust

Replace

Adjust

pedal
height

Grind
or
replace
as

required

Tighten
support
plate
bolts
to

specified

torque
or

replace

plate

Replace
as

necessary

Replace
linings

Blowout

assembly
with

compressed
air

or

refinish
drum

Replace
faulty
unit

Replace
if

faulty

Cam

ground
lining
to
elilninate

glaze
If
it

doesn
t

replace
linings

Turn
drum
or

replace
as

necessary

Check
with
dial
indicator

turning
disc

by

hand
If
runout
exceeds

specifications
re

place
disc

Measure
around
disc
face
with
micrometer

Replace
disc
as

required

Check
and

adjust

Check
and

replace

Replace

Check
and

adjust

Check
and

replace

Clean
or

replace

Replace

Shave
or

replace

Repair
or

replace

Inspection

I
When

steering
wheel
can
not
be

rotated

smoothly
but

steering
gear

steering
linkage
and

suspension
system

are
normal
check
the

steering
system

for
the

following
matters

and

replace

faulty
parts

I
Check
column

bearings
for
dam

age
or
unevenness
If
so
lubricate
with

recommended
multi

purpose
grease
or

replace
with
a
new
one
as

steering

column
assembly

2
Check

jacket
tube
for
deforma

tion
or

breakage
and

replace
if
neces

sary

3
Check
column

spring
and
re

place
if

damaged
or

weakened

2
When
the

car
comes
into

light

collision
check

the
following
parts

and
replace
if

necessary

I
Jacket
tube

Measure
dimension
A
between

column

clamp
and

top
end
of
lower

jacket
tube

When

jacket
tube
is
crushed
dimen

sion
A
is
reduced

Column

length
A

191
mm
7
52
in

1
Jacket
tube

2
Column
clamp
ST669

Fig
ST
l1
Standard
Dimension
on

Collapsible
Column

2
Column

clamp

Measure
dimension
0
as
shown
in

Fig
ST
12

When

jacket
tube
is
crushed
dimen

sion
0
is

increased

Length
1J

Column
bracket

o

mm
0
in
Steering
System

r

1

Steering
wheel

side

1
Column

clamp

2
Block

ST679

Fig
ST

12
Standard
Dimension
B

3

Steering
wheel

Check

steering
wheel
for
axial

play

When

steering

jacket
shaft
is

crush

ed
axial

play
exists

j

Axial

direction

ST194

Fig
ST
13
mpecting
Steering
Wheel

for
Axial

Play

4
Sector
shaft

When

collision
occurs
abnormal

strength
is

applied
to

gear
arm
As
a

result
of
this
serration
of
sector
shaft

is

apt
to

be
distorted

1

Serration
of
sector

shaft

2
Gear
arm
ST195

Fig
ST

14
mpeeting
Serration

of

Sector
S

IuJft
for

Deformation

STEERING
GEAR

RB4SL

Removal

I

Remove
clutch

operating

cylinder

manual
transmission

equipped
models

only

Note

Do
not
remove
clutch
hose

from

8
cylinder

2
Remove
nuts

securing
front
tube

to
exhaust
manifold

ST
5
3
Remove
bolt

securing
V
bolt

housing
clamp
to

gusset
catalytic
con

verter

equipped
models

only

STa6l

Fig
ST
5
Clutch

Operating
Cylinder

and
Front
Tube

4

Remove
bolt

securing
front
tube

to
exhaust

mounting
bracket

1

Q
I

II
@

J
111111

ST862

Fig
ST

16
Exhau
t
Mounting
Bracktt

5

Remove
front
tube
from
exhaust

manifold

Note
Do

not
remove
front
exhaust

tube

assembly
from

catalytic
con

verter
or
muffler

assembly
Refer

to
Section
FE

ST863

Fig
ST
7
Removal

of
Front
Tube

0

@
o
s
xl
m
u
U
0
0

xJ
l

1
I
9

0
I
K
s

0
0

en
o
o
l

me
0

r

U
0
I

@
0
0

Tightening
torque
kg
m
ft
Ib

I
Clutch
wheel
bearing
10
Valve
pla
te
assembly

2
Snap
ring
11
Cylinder
gasket
@
i
1
to
3
2
IS
to
23

C
l
3
Clutch
wheel
alsembly
12
Cylinder
head
assembly
@
O
to
1
0
5
1
to
7
2

0
4
Magnetic
coil
13
B
plate
gasket
@
1
5
11

5
Shaft
seal
assembly
14
Bale
plate
@
0
7
5
1

6
Connector
IS
a
ting

7
O
ring
16
au
filler
plug

i
8
Cylindet
head
17
Clutch
assembly

o
Q
9
CyUhder
head
gasket
18
Compreslor
assembly