lock DATSUN B110 1969 Service Owner's Manual

Brakes

Remove
the
lock

plate
located

Immediately
III

front
of
the
turn

buckle
remove
the

clip
III

the

passenger
compartment
SIde
and
discon

nect
the
front
cable

I
Spong
balancer

G
Wheel

cyhnder

FIg
136

Measunng
slidIng
resistance
Remove
the
hand
brake
lever
cover
Remove

the
lever

assembly
wIth
the
front
cable
con

nected
toward
the

passenger
compartment

SIde

Remove
the

hanger
strap
installatIOn
bolt

withdraw
the
lock

plate
from
the
axle

hOUSIng

bracket
umt

and
disconnect
the

rear
cable

Loosen
the

hanger
strap
umt
nut
and

separate
the

parts
Into
nut

hanger
strap

washer
and
bracket
DIsconnect
the
wheel

cylinder
lever
SIde
brake
cable

Note
Do
not

remove
the
dust
cover
from

the
cable
but
leave
it
installed
on
the

cable

Inspection

Check
the
cable
for

damage
and
other
defec

tlve
condlttons
and

replace
If

reqUIred

Replace
If

shdIng
part
IS
worn

excessively

1

Hand
brake
It
ver

2
able

J

Clip

4
Lock

plate
5
Turn
hUlkle
Hand
brake

adJU
h
r

6
CabJc

7
abk
8
Han
er

trap

9
Return

sprmg

10
Cable
shank

II
Hand
brake
lever

lover

FIg
137
Hand
brake

construction

78

Brakes

Make

sure
that
the
hand

brake
lever
can
be

operated

smoothly
and
that
the
ratchet

pawl

and
teeth

are
not
worn

unusually
or

damaged

With
the
hand
brake

lever

pulled
depress
the

push
button
and

make
sure
that
the

pawl

disengages
the
teeth
when

the

push
button
IS

depressed
0
1969
to

0
2362
In

completely

Make

sure
that
the
cable
dust

cover
1S
not

damaged
or

warped

FIg
138
Removing
turn

buckle

I
Front
cabl

2
Cover

CI
H
nd
brok
1

Ye

Fig
139

Removing
hand
brake
lever
Reinstallation

Remstall
the
hand
brake
m

reverse

sequence

of
removal

notmg
the

folloWIng
matters

Be
careful
not
to

damage
or
tW1St
the
dust

cover

TIghten
the

hanger

strap
and
the
cable

con

nectmg
nut
to

5
8
to

7
2

ft
lb

When

adJustmg
rear
brake
shoe
clearance
be

sure
to
loosen
the

mner
cable

sufficIently

Grease
the

shdmg
parts
w1th
multI

purpose

grease
MIL
G
2108
or

G10924l

o
Lock

plate

Fig
140

Disconnecting
rear
cable
from
rear

axle

housing

i

O
j

0

I
J

i

Ii

0

j

0

0

V

I
Dust

cover

Hanger
strap
washer

Bracket
I

Fig
141

Hanger
strap
mounted
on
rear

axle

hOUSing

77

Brakes

ADJUSTMENT

Front

Disc
Brake

Ordinarily
adJu
tment
IS
not

requIred

because
clearance
between

pad
and
rotor
IS

adjusted

automattcally
by
elasttclty
of
the

pIston
seal

I
iJ

1

el
i

C
1

FIg
142

AdJustmg
rear
brake
shoe
clearance

F
J

I

1

I

r

BRAKE
MASTER

CYLINDER

I
tI
Rear
Brake

Jack

up
the
vehicle
and
remove
the
wheel

ApplYing
your
hand
and
tool
from
reverse
side

of
the
brake
diSC

ttghten
the
brake

adjuster

wedge
clockWise

up
to
such
an
extent
that
the

brake
shoe
comes
Into
contact

With
the
brake

drum

Return
the

adjuster
wedge
properly
so
that

the
brake
shoe
IS

separated
from
the
brake

drum

slIghtly

Turn
the
brake
drum
and
If
the
brake
shoe

Interferes

the
brake
drum

readjust
In
ad

dition

depress
the
brake

pedal
and
make

sure
that
the
brake

operates
effecttvely
and

correctly

Loosen
the

stopper
up
to
such
extent
that
the

brake

pedal
stopper
IS

separated
from
the

pedal

arm

Brake
Pedal

Height

Measure

height
of
the
brake

pedal
head
from

the
dash

panel
and

adjust
the

adjusting
shim

between
the
brake
master

cylInder
and
dash

panel
so
that

height
IS
5
65
In

05mmlOQ197
nl

THICKNESS
0
8
mm

10
0315
0

16mm

100630
n

11
r

l00

Fig
143
Brake

pedal
adjustment

78

Brakes

Adjusting
shIm
thickness
for
selectIOn

o

0197
In

00315
In

o

0630
In

Note
When

adjusting
be
sure
to
use
ad

Jusbng
sh1ms

having
same
th1ckness
for

upper
and
lower

brake
master

cylinder

IOstallahon
bolts

Upon

completIOn
of

adjusting
shIm

adjust

ment

tighten
the

stopper
down
to
such

an
ex

tent
that

heIght
of
the

pedal
head
IS

5
57

pO
0787

In
and

tighten
the
lock
nut

becurely

Free
travel
of

the
brake

pedal
IS
0
197
to

0591
tn
and
the

stroke
IS
4

72
In

Hand

Brake

Turn

the

turn
buckle

properly
and

adjust

hand

brake
lever

operatmg
stroke

correctly
so

that

operatmg
stroke
IS
3

091
m

16
notches
at

operatIng
force

of
243
to
331
Ib

Upon
com

pletIOn
of

adjustment
be
sure

to

tIghten
the

lock
nut

Upon

completIOn
of
the

adjustment
release

the
hand

brake
lever
and
make

sure
that
the

rear
wheels

are
not

braked

Normal
btroke

3091
In
6

notches

Fig
144

AdJusting
turn
buckle
LImIted
stroke

535
tn
10
notches

The
term
Stroke

means

heIght
from
the

standard

posItIon
8
7
In
above

the
hand
brake

lever
fulcrum

Note

Readjust
hand
brake

stroke
when
it

reaches

the
hmited
stroke
5

35
in

10

notches

BLEEDING

HYDRAULIC

SYSTEM

BleedIng
the

hydrauhc
brake

system
deserves

much
attentIOn

as
It

IS
an
e
senttal
factor
for

regular
servICe
brake

operatIon

As
a
matter

of
fact

durmg
the
brake

serVice

air
IS

lIkely
to

creep
Into
the
CirCUIt

WIth
the

result
that
the
flUId
actIon

IS
altered

and
the

brake

pedal
becomes

spongy
at
the

travel
end

Bleedmg
should
be
carned
out
at
first

WIth

the
master

cylmder
then
from
the

longest

lIne
from
the
master

cylmder
and
then
fimsh

up
With
the
shortest

Note

Always
clear

away
any
dirt
around

master

cylinder
reservoir

cover
before

removing
cover
for

any
reason
Never

depress
pedal
while

brake
drums

are

removed
unless
bleeder

valve
IS

open

Top
up
the

reservOIr
master

cyltnder
With

flUId
of
the

recommended

type

Fig
145

Connecting
Vinyl
hose

to
air
bleeder
rear

79

SteeriDg

ConditIon

lIeavy
steering

Loose

steenng

Pull
to
one
side

Steermg
shock
TROUBLE
SHOOTING

Probable
cause

Low
tIre

pressure

In
orreet
front
wheel

altgnmcnt

Lack
of
lubricant

FITm
stll

kmg
of
the
ball

Jomt
and
strut

beanog

Improper
adjustment
and

damage
of

steering

gcar
housmg

H
Hd

lock1l1g
of
column

beanng

Incorrect
front
wheel
be

mng
ddJustment

Loose

steermg
hnkJge
connectIOns

Loose

steermg
gCdf
housmg

mountIng

Incorrect

adjustment
of
ddJust
nut

Incorrect
lITe

pre
sure

Incorrect
front
wheel

dhgnment

Incorrect
front
wheel

beanng

adjustment

Unequal
brdke

ddJustment

Weak
front

suspensIOn
umts

Deformation
or

Improper
fittmg
of
sus

pensIOn

Incorrect
front
wheel

ahgnment

Loose
front
wheel

beanngs

Loose

steering
lmkage
connectIOn
and
trans

verse
lmk

Incorrect

adjustment
of
ball
nut

Wheels
out
of
balance
Corrective
action

Innate
tires
to
recommended

pressure

Adjust
to

speclficatJono

Lubricate

steering
gc
H
and
b
dl

jomts
or

replace
WOln
bdll

jomt

Replace

Adjust
or

repldce

LubrlcJte
with

bearing

grease

Adjust
or

replace
as

reqUired

Inspect
replace
worn

pdrts
If

any
and

tighten
nuts
to
recommended

torque

TIghten

mountmg
bolts
to

proper
torque

Adjust

Inflate
to
recommended

pressurc

Inspect
and
corred
front
WhlCI

alignment

Adjust
bearings

Adjust
brakes

Replace

Check
correct
or

replace

Inspect
and
correct
front
wheel

alIgnment

Adjust
bearings

Inspect
replace
worn

parts
If

any
and

tighten
nuts
to

proper
torque

Adjust
steenng
gear

Inspect
and
correct
wheel

balanl
e

81

Clutch

DESCRIPTION

The
clutch
IS
a

sIngle
dry
dIsc

diaphragm

prIng

type
clutch
The

major
components
are

clutch

cover

pressure
plate
diaphragm

sprIng
and

wire

rIngs
The
clutch
diSC
IS

provided
WIth
rIveted

plates
on
both
surfaces

and
cot

bprIngs
arranged
In

a
hnk
The
COIl

prIngs
absOl
b
shock
whIle

engagIng
the

clutch

softemng
and

smoothIng
clutch

engagement

Release

bearIng
sleeve
and
WIthdrawal
lever

dre
used
to
control
clutch

engagement
and

disengagement

Each

part
of
the
clutch

assembly
IS
secured

With
rivets
Therefore
when
a
trouble

IS
un

correctable

replace
the
clutch

assembly
With

a

new

assembly

30

1181

r
I

I

I
I

I

8

1

il
f
0

g
it

l

00

r
O
11

I

N

NN

0
to
lt

lt

ll
l
If
N

O

N

I

I
I

I

FIg
154
Construction
of
clutch

100
CLUTCH
PEDAL

Removal

Remove
the
return

sprmg

Loosen
the
lock
nut
of
the
master

cyhnder

push
rod
and
disconnect
the

push
rod
end

Remove
the
lock
nut
and
washer
of
the

pedal

shaft
and
remove
the

pedal
lever

Inspection

Thoroughly
clean
all

disassembled
parts
m

dlcated
below
and

carefully
check
them
for

wear

damage
and
other
abnormal
conditions

RepaIr
or

replace
them
With
new
ones
If

reqUIred

Pedal
head
rubber

Return

sprIng

9353

3682
00004

lIGHTENING
TORQUE
1

5
to
2
2

kg
m

108
to

159ft
lbl

UOIt
mm

Inl

Clutch

Pedal
lever
bush

Fulcrum

pedal
pIn
etc

Remstallation

Reinstall
the
clutch

pedal
In

reverse

sequence

of
removal

Adjustment

Adjust
pedal
pad
heIght
to

565
In
Without

stopper
The

adjustment
IS
made

by
selectmg

and

applYIng
shlm
s

haVing
adequate

thIckness

Be
Ule
to

use
shIms

haVIng
same
thIckness

for
both

upper
and
lower

Next

adjust
the

pedal
stopper
properly
so
that

the

pedal
pad
height
IS
557
In
and

secure
the

pOSitIOn
WIth
lock
nut

Note
Make

sure
that
chaSSIS

grease
has

been

applied
to
the
CG
marked

portions

two

places
Grease
if

reqUired

CLUTCH
MASTER
CYLINDER

Removal

DIsconnect
the

push
rod
from
the
cleVIS

DIsconnect
the
clutch
lIne
from

the
master

cylinder
and
draIn
flUid

Remove
the

ecunng
bolts
and
remove
the

master

cyhnder
assembly
from
the
vehIcle

DIsassembly

Remove
the
filler

cap
and
draIn
flUId

Pull
back
the
dust
cover

and
remove
the

snap

rIng
The

stopper
push
rod

pIston
assembly

pnmary
cup
and
return

sptlng
assembly
can

be
removed

Inspection

Thoroughly
clean
all

parts
With
brake
flUId

before

InspectIOn

Check
the

cyhnder
and

piston
for
uneven

wear

or

damage
Replace
If

required

When
clearance
between
the

cylinder
and

pIston
IS
more
than
O
0059
In

replace
the

cyhnder

102
Replace
the

pIston
cup
pnmanly
whenever

the
master

cyhnder
IS
dIsassembled
It
must

also
be

replaced
when

wear
or
deformatIOn

due
to

fatIgue
or

damage
IS
found

Check
the
dust

cover
OIl
reservOIr
filler

cap

and
clutch
lIne
for

damage
or
deformatIOn
If

abnormal
condItIOn
IS
found

replace
With
new

one

Reassembly

Reassemble
the
master

cylInder
assembly
In

reverse
sequence
of

dIsassembly
notIng
the

follOWIng
matters

The

pIston
cup
should
be
soaked
In
brake
flUId

before

reassembly
Install
the

pIston
cup

carefully
so
that
It
IS

correctly
faced

Apply
brake
flUId

suffiCIently
to
the

cyhnder

and

pIston
and
assemble
them

Reinstallation

ReInstall
the
master

cyhnder
assembly
In

reverse

sequence
of
removal
and

adjust
as

follows

Adjust
the

pedal
heIght
by
changmg
the

push

rod

length

Bleed
air
out
of
the

hydrauhc
system

BLEEDING
CLUTCH
SYSTEM

Remove
the
bleed
screw
dust

cap
from
the

operatIng
cyhnder

Open
the
bleed
screw

approximately

three

quarters
of
a
turn
Attach

a
tube

Immer

SIng
the

open
end
mto

a
clean
contaIner
which

contaInS
a
small
amount
of
brake
flUId

Fill
the
master

cyhnder
reservOIr
With
the

recommended
flUId

Depress
the
clutch

pedal
qUIckly
while

keepIng
It
down

retighten
the
bleed

screw

and
allow
It
to
return

slowly
Repeat
thiS

pumpIng
actIOn
unttl
the
flUId

entenng
the

contaIner

IS
free
from
air
bubbles

Screw

up
the
bleed
screw
on
a
down
stroke
of

the

pedal
remove
the

bleec
t1
1
nd

rel1lace

the
dust

cap

Transmission

Worn

gears
shaft
and
or

heanng
Repl
ll
c

In
ufficlcnt

operatmg
stroke
due
to
worn
or
loose

shdmg

pdll
Repair
or

replal
c

Defective
or

damaged

synchronIzer
Replace

Gear

slips
out

of
mesh

In
the
most
cases
thiS
trouble
occurs
when
the
Interlock

plunger
check
ball
and
or

spnng
IS
worn
or
weakened
or

when
the
control

system
IS
defectIve
In
thiS
Cd
the
trouble
cannot
be

corrected

by
repldtlllg
gt
drs

and
therefore

trouble
shootmg
must
be

earned
out

carefully
It
should
also
be
noted
that

gear
slips
out
of
mesh
due
to
vlbralIon

generated
by
weakened
front
and
rear

engme
mounts

Worn
mterlock

plunger
Replal
c

Worn
check
hall
and
or

weakened
or
broken

sprmg
Replal
c

Worn
fork
rod
ball

groove
RepI

H
e

Worn
or

damaged
beanng
Repldce

Worn
or

damaged
gear
Repldl
c

NOise

When
nOIse

occurs
unoer
engine
Idling
and

stops
whde
the
clutch
IS

dlseng
lged
or
when
nOI
Olcurs
while

shlftmg

gears
It

may

Judged
that
the
nOIse

IS
from
the
tranSmll
lSIUn

Ino

ufllclenl
or

1mproper
lubncant
Add
od
or

replace
With

deSignated

oIl

Ollleaklllg
due
to
defectIve
011
seal
md

gasket
clogged
breather
etc
Clean
or

replace

Worn
beanng

High
hummmg
occurs
at
a

high
speed
Replace

Damaged
beanng
Cychc
knockmg
sound
occurs
alllo
at
a
low

speed
Replace

Worn
each

sphne
Replace

Worn
each

hushmg
Replace

108

Transmission

AUTOMATIC
TRANSMISSION

The
model
3N71B

automatic
transmiSSIOn
IS

a

fully
automatic
Unit

consisting

pnmanly
of

3
element

hydrauhc
torque
converter
and
two

planetary
gear
sets
Two

multiple
disc
clut

ches
a

multiple
disc

brake
a
band

brake
and

a
one

way

sprag
clutch

provide
the
fnctlon

elements

reqUired
to
obtain
the
deSired

fun

tlon
of

the
two

planetary
gear
sets

The
two

planetary
gear
sets

give
three
for

ward

ratIOs
and
one
reverse

Changing
of
the

gear
ratIOs
IS

fully
automatic

In
relation
to

vehicle

speed
and

engine
torque
Input

Vehicle

speed
and

engine
mamfold

vacuum

Signals
are

constantly
fed
to
the
transmiSSIOn

to

prOVide
the

proper

gear
ratIO

for
maximum

effiCiency
and

performance
at
all
throttle

openmgs

The
Model

3N71B
has
SIX
selector

poSitIOns

P
R
N

D
2
1

p
Park

pOSitIOn

posItively
locks
the
out

put
shaft
to

the
transmiSSIOn

case

by
means
of

a

lockmg

pawl
to

prevent
the
vehicle
from

rollmg
either

directIOn

ThiS

pOSitIOn
should
be
selected
whenever
the

dnver

leaves
the
vehicle

The

engme
may
be
started
m
Park

pOSition

R
Reverse

range
enables

the
vehicle

to

be

operated
m
a
reverse
direction

N
Neutral

pOSitIOn
enables
the

engine
to

be
started
and

run
Without

dnvIngthe
vehicle

0
Drive

range
IS
used

for
all
normal

driVing
conditions
Dnve

range
has
three

gear

ratios
from
the

startmg
ratIO
to
direct
dnve

2
2

range
prOVides
performance
for

dnvIng
onshppery
surfaces

2

range
can
also

be

used
for

engine

brakmg

2

range
can

be
selected
at

any
vehicle

speed

and

prevents
the
transmlsslOn

from

shifting

out
of
second

gear

108
Rg
162
Idenllflcatlon

number

I
1

range
can
be

selected
at

any
vehicle

speed
and
the
transmiSSIOn
will
shift
to
second

gear
and

remain
m
second
until
vehicle

speed

IS
reduced
to

approximately
25
to
31
MPH

1

range
posItion
prevents
the
transmiSSIOn

from

shlftmg
out

of
low

gear
ThiS

IS

par

tlcularly
benefiCial
for

mamtamIng
maximum

engine
brakmg
when

continUOUS
low

gear

operation
IS
deSirable

The

torque
converter

assembly
IS

of
welded

constructIOn
and
can
not
be
dlssassembled
for

service

FlUld
Recommendatwn

Use
automatic
transmiSSIOn
flUid

haVing

DEXRON
IdentificatIOns

only
m
the
3N71B

automatic
transmiSSIOn

denttficatwn
Number

Stamped

posttwn

The

plate
attached
to
the

rIght
hand
Side
of

transmission
case
as
shown
m

Figure
161

denttficatwn
of
number

arrangements

See

Page
109

RECOMMENDATIONS

Due
to
the

compleXity
of

setting
up
a

disassembled
transmissIOn
as
well

as
the

special
tools

necessary
It

IS
recommended

thaL
nternal

epalrs
be
left
to

a

fully

eqUip

ped
shop

Bod
Work

HOOD

Removal

DI
connect
the

WInd
hwld
washer
hose
at
the

nozzle

In
order
to

protect
the
hood
from

damaging

place
rag
In
hoth
Ide
of
the
hood

rear
end

loosen
the
hood

hinge
installatIOn
bolts
and

remove
the
hood

UPPOl

tIng
It
from
both
SIdes

as
shown
In
the

follOWing
figure
Two

workers
are

required

Installation

Install
the
hood
In

reverse
sequence
of

removal
carefully
so
that
the
hood
IS
flush

FIg
163
Removmg
hood

hmge

Fig
164

Removmg
hood

U2
with
the
fender

top
and
clearance
between
the

hood
and
fender
IS

aligned
evenly
toward

overall
circumference
of
the
hood
when
the

hood
IS
closed

HOOD
LOCK

Removal

Remove
the
radiator

gnlle
loosen
the
in

stallation
bolts
and
remove
the
male
Side
of

the
hood
lock

Disconnect
the
hood
lock
wire
from
the
female

Side
of
the
hood
lock
and
remove
the
female

Side
of
the
hood
lock

Remove
three
screws
and

remove
the
hood

lock
control
lever

Adjustment

Centermg
the
Hood
Lock

The
male
Side
hook
lock
IS

prOVided
with

a

o
118
In

adjusting
stroke
toward
left
and

nght

Sides
of
the
vehicle
and
the
female
SIde
with

a

0118
In

adjustIng
stroke
toward
front
and

rear
Sides
of
the
vehicle
Loosen
the
in

stallatIOn
bolts
and

align
the
center

correctly

I
Dov
tall
bolt

2

Dovetail
bolt

retammg
nut

31
Spong

4

Sarety
catch
lever

5

I
hmaJc
lever

6

Spnng

j
7JjHood
lod
control

lever

8
Rubber

grommet
Ii

5

4

il

Fig
165
Hood
lock
mechamsm