1969 DATSUN B110 torque

BDgiDe

TIghtening
torque
40
to
43
ft
Ib

Install
the

push
rod

Install
the
rocker
haft

assembly
and

tighten

the
I
ocker
haft
bracket
bolts
to
the

specIfied

torque

Tightening
torque

15
to

18
ft
lb

Note

TIghtening
operation
should
be

made

gradually
10

separating
two
or
three

stages
and

outwardly
from
the
center

bracket

In
tall
the
Intake
and
exhaust
mamfolds

TIghtening
torque

65
to
10

ft
lb

AdJu
t
valve
clemance
wIth
the

specIfied

dlmenblOn

Install
the
rocker

cover
and
carburetor
assem

bly

I
n
tdll
the
watel

pump
and
thermostat

Tlghtemng
tOl

que

65
to
10
ft
lb

I
nstall
the
crankshaft

pulley

Tighten
the
crank

pulley
bolt
to
the

specIfied

torque

TIghtenIng
torque

109
to

116
ft
lb

Fig
67
Installation
of
Intake
and
exhaust
manifolds
Intake

at
cold

00138

In

Exhaust

at
cold

00138

In

Fig
68
Valve
clearance

adjustment

TlqhtCnlnq
torque
15
to
16kg
m

109
to
116ltlb

Fig
69
Crankshaft

pulley
installation

Install
the
at

pump
with
011
filter

Install
the
alternator
fan
and
fan
belt

Install
the
fuel

pump

Install
the
dlstnbutor

assembly

31

Icnition
Sptem

Ovcrhc
Jtmg

Norm
Jl
i
r

rJ
I

ttr
I
i

V

Carbon
fould

Fig
85

Spark
plug
Life

plug
heat

range

Carbon
fouled

Dry
fluffy
carbon

depo
lts
on

the

Insulator
and
electrode

were

mostly

caused

by
slow

speed
dnvlng
In

cIty
weak

Ig

nltlOn
too
nch
fuel

mixture

dirty
aIr
cleaner

etc

It
IS
advIsable
to

replace
WIth

plugs
havmg

hotter

heat

range

011

fouled
Wet
black

depoSits
show

excesSive

oIl
entrance

Into
combusllon

chamber

through

worn

rmgs
and

pIstons
or
excessIve
clearance

between
valve

gUIdes
and

stems
If
the

same

condition

remams
after

repair
use
a
hotter

plug

Overheatmg
WhIte

or

hght
gray
msulator

WIth

black
or

gray
brown

spots
and

blUIsh

burnt
electrodes
indIcate

engme
overheatIng

Moreover
th
e

appearance
results
from
in

correct

IgnitIon

tIming
loose

spark
plugs
low

guel
pump
pressure
wrong
selectIOn

of
fuel
a

hotter

plug
etc

It
IS
adVisable
to

replace
WIth

plugs

havmg

colder

heat

range

After

cleaning
dress

electrodes
With

a
small

fine
file
to
flatten

the
surfaces
of
both

center

and
Side

electrodes
In

parallel
Set

spark
plug

gap
to

specification
FIg
86

Settmg
spark

plug
gap

Install

spark
plugs
and

torque
each

plug
to
11

to
15
ft
Ib

Connect

spark
plug
wires

Cleaning
and

Regap

Clean

spark
plugs
In

a
sand

blast

type

cleaner
A
VOId

excessIve

blasting
Clean
and

remove
carbon

or
OXide

depoSits
but
do
not

wear

away
porcelain
If

depos1ts
are
too

stub

born
discard

plugs

After

cleaning
spark
plugs
renew

firing
sur

face
of
electrodes
With
file

mentioned
above

Then

gap
spark
plugs
to
0
030
to
0
035
In

uSing
a
round

wire
feeler

gauge
All

spark

plugs
new
or
used
should

have
the

gap

checked
and
reset

by
bending

ground

electrode

II

Brakes

Note

Be
careful
not
to

confuse
the

piston

A

with
B

Apply
rubber

grease

hghtly
to
the

shdlng
par

tlon
of

p1ston
and
Insert

the

piston
Into
the

cyhnder

Note
When

insertmg
the

piston
be

careful
not
to
insert
too
far

Install

the

boot
and

retaining
nng

Install

so
that
the

yoke
groove
of
bIas

nng
of

piston
A

COinCide
wIth
the

yoke
groove
of

cyhnder

YOKE
SPRING

Fig
127

Installation
of
yoke

spnng
1

Fig
128
InstallatIOn
of

yoke

spnng
2
Install

so
that
the

projected
portIOn
of

yoke

spnng
faces

to
diSC

as
shown
In

Figures
127

and
128

Install
the
bias

spring
to

yoke
so
that
the
bias

spring
comes
to
the

aIr
bleeder

Side
of

cyhn

der

Apply
the

brake

grease
to
the

yoke

shdlng

portIOn
of

cylinder

With
the

yoke

spring
Inserted
to

cylinder

groove

hghtly
correct

poSitIOn
of
the
bias

spnng
so
that
the

groove
of

biaS

spring
COin

Cides
With

yoke

Fig
129

Correctmg
bias

spnng
POSItion

Fig
130

Measunng
startmg
torque

73

Brakes

c

Fig
131
Rear
brake
construction

Assemble
the

cylIndel
body
and

yoke
by
tap

ping
the

yoke
lIghtly

Apply
the
brake

grease

fully
to
the

yoke

slIding
groove
of

cylInder

I
nstall
the
air
bleeder

Reinstallation

Reinstall
the

calIper
assembly
In

reverse

sequence
of
removal

After

the

pad
IS
Installed

completely
bleed

the

hydraulIc
line
and
measure
the
rotatton

torque
of
diSC

Starting
torque

780
In

Ib

At
the
hub
bolt

345

Tightening
torque

CalIper
assembly
installatIOn
bolt

33
3
to
44
1
ft
lb

Brake
tube
flare
nut

connected
to
wheel

cylIn

der

108
to

13
0
ft
lb

REAR
BRAKE

Removal

and

Disassembly

Jack

up
the

rear
slde
of
the
vehicle

support

With

a
stand
and

remove
the
wheel

74
Loosen
the
hand
brake
Wire

remove
the
cleVIS

pin
from
the

rear
wheel

l
ylInder
lever
and

disconnect
the
hand
brake
wIre
Remove
the

return

spnng
pull

spnng

Remove
the
brake
drum
Remove
the
shoe

retainer
and
retUl
n

spnng
and
remove
the

brake
shoe

assembly

DIsconnect
the
brake
tube
from
the
wheel

cylinder

Remove
the
dust

cover

adjusting
shims
and

plates
The
wheel

cylInder
can
then
be

removed

eaSily

Flg
132

RemOVing
hand
brake
vme

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

Bear
Drive

Suspension

A
correct

contact
pattern
means
that
It

beii

the

ange
of
2
3
to
3
4
from
the
tip

of
the
tooth
nder
no
load
Backlash
IS

010
to
015mm
00039
to

00059
n

Tlghtemng
torque
of
drlve

gear
bolt

60
to
70

kg
m
434
to

506
ft
Ibl

TIghten
by
tapping
bolt
head
with

a
0

lkg
1
4
lb
hammer
TIghtening
torque
of
dnvt

pmlon
nut

12
to
11

kg
m
86
8
to
1229
ft
lb

Plmon
be
nng
adjust
spacer

O
lve

plmon

adlustlng
washer

T
W
N
HxO

011
0
2

mml

T
T

Drive

gear
ad

ustlng
shims

Left
Ide
T1
jA
C

0
H
I
001
0200
E
lmml

Right
SIde
T2
B
D

HI
001
0
200
F
mml

Fig
150
Sectional
view
of
dIfferentIal
carner

any
loose
matenal
from
the

sump
which

results
from

breaking
Dlfferentlallubncant

should
be

changed
at
least

every
30
000
m11es

ConsIderatIOns
should
be

given
to
the

follOWing
matters

Nommated

hYPOld
gear
011
must
be
used

It
IS

prohibited
to

use

any

gear
011
of
dIfferent

VISCOSity

The
same
brand
must

always
be
selected

The
standard
011

capacity
IS
about

0
198
US

gal

REAR
SUSPENSION

Rear

suspensIOn
consists

of
serm

elhptlc
leaf
springs
telescopIc
hydrauhc
shock
absorbers

and
rubber

bumpers

The

rear

sprmg
center

pm
1S
ofT
set
4

33
m

toward
the
front
from
the
center
of
the

sprmg

ThIS

IS
done
to
reduce

sprmg
wmd

up
and
to

decrease
the
arc
while
the
rear
wheel

sWings

through
Thereby
m1n1mlzmg
the

POSSibilIty

of
the

rear

suspensIOn
effecting
vehlCle

stablhty

It

Iso

damp
deVices
are
used

for

attachmg
the

axle

hOUSing
to
the

sprmg

The
leaf

sprmgs
shock
absorbers
and

rear

axle

housmg
are
mounted
on
rubber

bushings

at
each

end
to
minimIZe
nOIse
and
VibratIOn
of

the
transmiSSIon
to
the

car

body
and

passenger
compartment

85

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

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