1968 DATSUN 510 wheel bolt torque

ENGINE
53

the
mam

beanng
cap
and
the

cyhnder
block

beanng
recess
and

tighten
the

cap
bolts
to
the

proper
torque
WIth
a

torque
wrench

Tig
temng

torque

Main

bearings
506
to
57
8
It
Ib

70to80kg
m

195
to
23
9
It
Ib

27
to3
3

kg
m
Rod

beanngs

9
Loosen
the

cap
bolt
on
one
Side
and
measure

the
clearance

Figure
53
between
the

cap
and

block
Side
Clearance
should
be
WIthm
the
fol

lowmg
specmcatIons
Mam

beanngs
0

through

o

0024
m
0
to
0
06mm
rod

beanngs
00012

through
0
0032
m
0
030
to
0
0024mm

Weight
@

10
If

beanng
crush
IS
not
m
tolerance

replace

the

beanngs

Crankshaft
and
Camshaft

Sprockets

1
Check
for

damaged
teeth

Replace
sprocket

1f

necessary

2
Install
the

camshaft

sprocket
and
check
for

runout
as
shown
m

Figure
54
If
over
0
04331

m
0
Imm

replace
the

sprocket
Check
for

thrust
deViation
at
the
same
tIme
Thrust
deVia

tIOn

should
be
between
0
0031
and
0
0150
m

008
to
0
38mm

3
Check
the
chain
for

damage
severe
wear

and
stretch
at
the
roller
hnks

Replace
the
cham

1f
defects
or
exceSSIve
stretch
IS
found

4
Check
the
cham
tenslOner
and
the
cham

gwdes
for
wear
and

damage

Flywheel

1
Check
the
clutch
disc
contact
surface
of
the

flywheel
for
wear
and

damage
@

2

Measure
deviation
of
the
clutch
disc
contact

surface

usmg
a
dial

gauge
If
deVIation
exceeds

004331
m
O
lmm

replace
the

flywheel

3
Check

flywheel
teeth
for

damage
Consult
a

dealer

Or
machIne

shop
1f
m
doubt

ENGINE
ASSEMBLY

This
section
covers

assembly
of
the

engme

after
corrective
mamtenance
has
been
com

pleted
SpecificatIons
and

torque
informatIon

are

given
at
the
end
of
the
sectIon
The

followmg

general
precautions
should
be
followed
m

assembhng
the

engme

1
Make
certam

all

parts
are

thoroughly
clean

and
that
all
011
and
water

passages
are
free
from

foreign
matenal

2
All

parts
that

slIde
mto
or

through
other

parts

should
be
coated
With
a
thm
film
of
new

engme

011
before

assembly

3
Don
t
reuse

gaskets
packIng
and
011
seals

Complete
lats
are
aVlUlable
for
the
entire

engme

and
for
the

cyhnder
head
and
block
assemblIes

4

Keep
tools
and
work
benches
clean
to
aVOid

contammatlon
of
delIcate

parts

5
Be

sure
to
follow

specmed
torque
tIghtenmg

values
and
order

of

tlghtenmg
where

given

6

Unless

complete
rebwld

of
the

engme
has

been
done
valves
and
associated

parts
bear

ings
pistons
and

connectIng
rods
should
be

remstalled
where

they
were
taken
from

CYLINDER

HEAD

Valve
and
Valve

Spring
Assembly

1
Insert
valve
from
bottom
of
block

ENGINE
55

Cylinder
Block

Assembly

1
PositIon
all
crankshaft

parts
on
a
work
bench

ThIS
mcludes
the
crankshaft
main

beanngs

rear
011

seal
woodruff

keys
crankshaft

gear

011

pump
gear
011
thrower
bolts
and

bearing

caps
Figure
57
shows
the

arrangement

@

2
Insert
maIO

beanngs
mto

appropnate
cy1m

der
block
holders

NOTE
The
center
No
3

beanng
IS

the

only
flanged
type
of
thrust
bear

Ing
Bearings
No
2
and
No
4
are

Identical
No
1
and
No
5

Jaring
ap

pear
identical
but
No
1
as
an
011

hole
All

bearings
except
No
1
are

Interchangeable
as
to

upper
and
lower

half

3

LIghtly
lubncate
the

crankshaft
and

beanng

matmg
surfaces
then
mstall

beanngs
10
mam

beanng
caps

4
Install
the
crankshaft

5
Install
mam

beanng
caps
over

crankshaft

msert
mam

cap
bolts
and

tighten
hghtly
The

mam

beanng
caps
have
an
arrow
marked
on

each
one
These
must

pomt
to
the
front
of
the

engme

6

Gently
move
the
crankshaft
10
an
aXIal
drrec

don

toward
the
front
of
the

engme
to

venfy
that

the
mam

beanng
caps
are

properly
alIgned
and

seated
7
Use
a

torque
wrench
to

tighten
the

cap
bolts

to
the
hmlts

speCIfied
The

t1ghtenmg
operatIon

should
be
done

gradually
10
three

or
four

sep

arate

stages
starting
10
the
center
and

workmg

outward

to
each
end

8
Rotate
the
crankshaft
to
make
certain
it
isn
t

bmding

9
Use
a
feeler

gauge
to
check
the
end

play
at

the
center

No
3

beanng
Figure
58

10
Install
the
SIde
oll
seals
into
the
rear
mam

cap
and

cy1mder
block
as
shown
10

Figure
59

@

11
Install
the
rear
011
seal
WIth
Datsun
tool

ST49370000
or

equIvalent

12
Install
the
rear
end

plate

13
Install
the

flywheel
WIth

proper
bolts
and

lock
washers
and

torque
as

specified

ENGINE
59

2
Coat

the

pan
gasket
on
both
sides
With

gasket

compound
and
attach
the

oil

pan
to
the

cyhnder

block

Torque
as

specIfied

Manifold
and
Carburetor
Installation

1
Install
the
mtake
and
exhaust
manIfolds
WIth

associated

gasket
to
the

cylmder
head

2
Mount
the
carburetor
and

gasket
to
the
mtake

manIfold

2

Adjust
all
mtake
and
exhaust
valves
to
the

specIfied
clearance
for
a
cold

engme

Clutch

Assembly
Installation

CAUTION

Take

extreme
care
not
to

get
grease

or
011
on
the

clutch
or

flywheel
frlc

hon
contact

surfaces

1
Place
the
clutch
disc

assembly
on
the

flywheel

With
the

longer
chamfered

splmed
end
of
the
dISC

toward
the
transmISSion

2

Visually
align
or
use
a

dummy

splmed
dnve

shaft
to

ahgn
the
diSC

assembly
With
the

flywheel

pilot
beanng

3
Install
and

tighten
the
SIX
bolts

holdmg
the

clutch
cover

assembly
to
the

flywheel
Tighten

the
bolts
a
turn
each
tune

by
diagonal
pattern

until

they
are

tight
Tlghtenmg
torque
should
be

174

to
188ft
lbs
24
to
2
6

kg
m

NOTE
There
are
two
dowels
on

the

flywheel
to

locate
the
clutch
cover

4
Remove

dummy
shaft
If
used

after
the

above
bolts
are

fully
tightened

5
Refit
the
release

bearing
and
translI11Ssion

case
Miscellaneous
Installation

1
Connect
the
fuel
hose

on
the
front

part
of
the

engme
to
the
fuel

pump
and
to
the
carburetor

2

Gap
the

spark
plugs
and
mstall
them

usmg

new

gaskets

3
Coat
the
rocker
arm
cover

gasket
With
sealer

and

position
It
on
the

cylmder
head

4
Install
the
rocker
arm
cover
and

tighten
the

two
thumb

screws
that
hold
it

m

place

5
Install
distrIbutor

makmg
certam
that
the

notch

on
the
distributor
shaft

assembly
mates

With
the
drive

spmdle
Ahgn
the
location
marks

made

dunng
disassembly
so
that
the
distrIbutor

is

positioned
as
before

6

Install
and

tighten
the
bolts
which
hold
the

dIStributor

to
the
front

cover

7
Install

pomts
condenser
and
rotor

8

Replace
distrIbutor

cap
and
attach

spark
plug

Wires
m
the
correct

sequence
Make
certain
that

all
wires
are

firmly
seated
m
the
distrIbutor

cap

and
attached

securely
to
the

spark
plugs

9
HOISt
the

engme
assembly
from
the
work

stand

10
Install
the
alternator
bracket
alternator

and

engme
mounts
to
the
block

11
Install
the

IgnItIon
coil
oil
filter
oil

pressure

SWitch

dipstick
and

water
drain

plug

12
Connect
the

vacuum
Ime
between
the
dis

trIbutor
and
carburetor

13
Connect
the
transIDlSSlOn
to
the

engine
prior

to
mstallatIon
m
the
vehicle

Engine
Installation

Installation
is
the

reverse
of
the

procedures

followed
m

removal
Be
certaIn
thatlall

battery

connections
are
made

that
water
hoses

are
se

cured

wmng
IS
connected

properly
and
that
all

required
bolts
and
mounts
are
mstalled
and

tightened
Replace
the
radiator
fan
belts
and

radiator
shroud
Fill
the

engme
With
the

proper

grade
of
oil
and
the
radiator
With

recommended

coolant
Install
the
hood

to
the

hInges
according

to
the
marks
made

dUrIng
removal

SERVICE
DATA
AND
SPECIFICATIONS

Table
1
covers
servIce
data
and

engme
Speci

fications

60
SIX

Table
1
ENGINE
SERVICE
DATA
AND
SPECIFICATIONS

GENERAL
SPECIFICATIONS

Cylinder
Arrangement

DIsplacement

Bore
and
Stroke

Valve

Arrangement

MaxImum
Brake

Horsepower

MaxImum
Gross

Torque

Firing
Order

Engme
dle

Smgle
POint

Dual
Pomt

CompressIon
RatIo

Engme
Idle
Mamfold
at
Idle

rpm

011
Pressure
hot

@
2
000

rpm

i
TIGHTENING

TORQUE
ft
Ib

kg
m

Cylinder
Head
Bolts

1st
turn

2nd
turn

Flywheel

Flxmg
Bolts

M
In

Beanng
Cap
Bolts

Camshaft
Gear

Bolt

I
011
Pan

1
1

fF
I

011

Pump

QII
Stramer

F

I
Crank

Pulley
Bolt

SPECIFICATIONS
In
mm

Valve
Mechamsm

Valve
Clearance
Hot

Valve
Clearance
Cold

Valve
Head
DIameter
Intake

Valve
Head
DIameter
Exhaust

Valve
Stem

DIameter
Intake

Valve
Stem
DIameter

Exhaust

Valve

Length
Intake

Valve

Length
Exhaust

Valve

LIft

Valve

Spring
Free

Length
Outer

Valve

Sprmg
Free
Length
Inner

Vaiv

Spnng
Loaded

Length
Outer

Valve

Spring
Loaded

Length
Inner

Valve

Sprmg
Assembllld

HeIght
Outer

Valve

Spnng
Assembled

Helght
Inner

Valve

Spnng
Effective
Turns
Outer

Valve

Sprmg
EffectIve
Turns

Inner

Valve
GUIde

Length
Intake

Valve
GUIde

Length
Exhaust

Valve

GUIde

HeIght
from
Head
Surface

Valve
GUIde
Inner
DIameter
Intake

Valve
GUIde
Inner
DIameter
Exhaust

Va
Ive
GUIde

Outer
Dlam
eter
Intake

Valve
GUIde
Outer

DIameter
Exhaust

Valve
GUIde
to

Stem
Clearance
Intake

Valve

GUIde
to
Stem
Clearance
Exhaust

Valve
eat

W
dth
Intake

Valve

SEtat
WIdth
Exhaust
4
m

Ilnil

97
3
cu
m
1595cc

3
2677
x
2
9016
In
83
x
73

7mm

Overhead
Camshaft

96

@
5
600

rpm

110
ft
Ib
13
8
kg
m

@
3
600

rpm

1
3
4
2
r

600

rpm

700

pm

85
1

i7
7
In

Hg
450mm

Hg

54
to
60
Ib
m
2

3
8
tQ
4
2

Iig
cm

325
4
5

39
8
5
5

68
No
75
9
9
50

to
1039

325

to
39
8
4
5

to
5
5

362
to
43
4
50
to
60

2
9
to
5
1
0
4
to
0
7

108
to
15
2
1
5
to
2
1

58t087
08to
12

1157
to
130
1
160
to
180

o
118
0
30

o

0C
98

0
25

1
50
38

0

1
30
33
0

031
80

031
80

456
1159

4
57
116
O

03937
100

2
05
52
0

1
77
44
96

1
21

@
1054
Ib
3
07

@
47
8

kg

o
96

@
56
Ib
24
5

@
25
5

kg

1
53

@
63
9

Ib
38
9

@
29

0
kg

1
38

@
27
1
Ib
35

@
123

kg

45
I

55

2
32
59
0

2
32
59
0

0409

to
0
417
104

to
106

0315

to
03154
80

to
8018

0315
to
03154
80
to
8
Oi8

04718
to
04723
11
985
to
11
996

04718
to

04723
11
985
to
11
996

00006
to
00018
0
015

to
0
045

00016
to
00028
0040

to
0070

o
055

to
0
071
1
4

to
1
8

0063
to
0079
1
6
to
20

CLUTCH
TRANSMISSION
AND
DRIVESHAFI
129

scratches
on
the

pressure
plate
may
be

removed

with

crocus
cloth

If
the
source
of
clutch
trouble
IS
still
not
evl

dent
take
the

pressure
plate
and
disc
to
a

compe

tent

garage
to
check
the

pressure
plate
finger

release

height
and
nmout
Never

attempt
to
ad

just
the

fingers
or
dismantle
the

pressure
plate

Without

proper
tools
and

experience

Check
the
release

bearing
by
holdmg
the
Inner

race
and

rotatmg
the
outer
race
With

hght
pres

sure

applied
If
the

bearing
is

rough
or

noisy

replace
it

CAUTION

Never
clean
the
release

bearing
In

solvent
It
IS

prelubriCflted
at

the

fac

tory
Simply

wipe
with
a
Unt

free
cloth

If
the
release

bearing
shows

any
signs
of
loss

of

lubncant
install
a
new

bearing
Replace
the

sleev
lu
SignS
of
wear
are
evident

Clutch

Reassembly

1
Be

sure

your
hands
are
clean
for
the
initIal

assembly

2

Inspect
the
clutch

facings
pressure
plate
and

flywheel
to
be
sure

they
are
free
from

grease
oil

and
other

foreIgn
material

3

TIghtly
fit
release

bearmg
onto
the

bearing

sleeve
When

beanng
IS
mstalled
turn

bearmg

With

a

finger
to
make
sure
It

operates
smoothly

4

Apply
multI

purpose
grease
to
the

bearmg

sleeve
InSIde

groove
See

Figure
5

CD
Ji

rot

Pac
thiS
r

r
r

1
1i

QI
ecess

5

Apply
multi

purpose
grease
to
the

WIth

drawallever
and

bearing
sleeve
contact

point
and
to
the
Withdrawal
lever
ball

pm
and
with

drawallever
contact

point

f

6
Clean
the
clutch

pllot
bushmg
and
fill
It

With
multi

purpose
grease

7
Mount
the
WithdraWal
lever
release

bearing

and

bearing
sleeve
to
the
clutch

housing
Install

dust
cover
on
clutch

housing
and
connect
return

spring
to
WithdraWal
lever

8
Place
the

pressure
plate
and
clutch
disc
in

positIon
on
the

flywheel
Make
certain
the

pres

sure

plate
is
In
the
same

positIon
relative
to

fly

wheel
as
when
removed
Use
a
clutch

alIgning

bar

Special
Tool
ST20630000

FIgDfe
6
to

alIgn
the
clutch
dISc

splIne
to
the

pllot
bearing

CD

NOTE

If
the

special
tool
is
not
avail

able

cut
an

input
shaft
from
a

Junk

transmission

9
Install
the

pressure
plate
mounting
bolts

Tighten
the
bolts

dIagonally
opposite
each
other

one
turn
at
a
time
to

prevent
warpmg
Torque

the
bolts
to
10
8
to
15
9
ft
lbs
1
5
to
2
2

kg
m
Remove

durmny
shaft

10
Install
the
clutch

housing
to
the

engme

Clutch
ntrol

Datsuns
have
a

hydraulic
clutch
control

system
It
consISts
of
a

pendant
clutch

pedal

134

CHAPTER

ELEVEN

CLUTCH
SERVICE
DATA

AND

SPECIF1CATIONS

Table
1

proVIdes
serVIce
data

and

specifica

tIons
for
the
clutch

system

TRANSMISSION

Description

Datsuns
are

eqUIpped
with
either

an
auto

matic
or
manual
transrmSSIOn

Due
to
the
com

pleXity
of
the
unIt
and

the
need
for

special
tools

and

knowledge
overhaul

of
the
automatic
trans

mISSIon
is
not

covered
In
thIS
manual
Auto

matIc
transmISSIOn

checks
and

adjustments
are

given
later
m
thIS

chapter
Reparr
and
mainte

nance

should
be
referred
to

a
Datsun
dealer

or

qualIfied
mechamc

The
manual
transmission
is

a
four
forward

Table
1
speed
unlt
controlled
With
a
floor

mounted
lever

It
consIsts
of
transrmSSIOn

case
rear
extensIOn

housing
and

gear
assembly
The
clutch

housmg

and
transmissIOn

case
are
a

sIngle
unIt
The

rear

extension

housmg
is

detachable

Figure
12
shows

the
4
forward

speed
transmission

Transmission

Removal

Removal
of
the

transmIssion
from
dIfferent

models

Varles

accordmg
to
the

dIfferent
struc

ture
Involved
The

following
procedures

gen

erally

apply
to
all

types

Important
dIfferences

are
noted

1
Prom

InsIde
the
vehicle

remove
the
floor

covenng
around
the

gear
shift

so
that
the
shIft

lever
can
be
removed

2
Jack

up
the
vehIcle
and

support
it
with
four

CLUTCH
SERVICE
DATA
AND
SPECIFICATIONS

Pressure

Spring

Free

length

Fitted

length
and
load

Out
of

rlght

angle

MInimum

sprmg
force

Clutch
Release
Lever

Release

bearlng
to

dlaphragm
clearance

Diaphragm
sprlng
to

flywheel
height

Release

lever
to

flywheel
height

Clutch
DISC

FaCing
size

Outer

dIameter
x
inSide
diameter

x
thlckness

Thickness

Free

Compressed

Number
of

tOrslO
1
springs

Minimum

depth
of
rivet
head

from

faCing
surface

Allowable

facmg
runout

Allowable

spline
free

play

Pressure

Plate

Allowable

refacmg
limit

Clutch
Pedal

Height
when
not

depressed

Free
stroke
of

pedal
head

Pressmg
strength
at
full

stroke

Clutch
Master

Cylinder

Diameter

MaXimum

clearance
between

cylinder
and

pIston

Tightening

Torque

Clutch

assembly

securing
bolt
2
059
In
52
3mm

1
149
In
197
4
4
Ib
29
2mm
44
2

kg

o
1968

per
3
937
In
5

per
100mm

15

00472
to
0
0551
In

1
2
to
1
4mm

1732
0
0394
m

44
O
1

Omm

1
988

0
0197
In

505
0
05mm

787
X

5
120
x
0
0140
In
200
x
130
x
3
5mm

o
3386
to
0
3543
m
8
6
to
9
Omm

03012
to
0
3130
m
765

to
7
95mm

6

00118
In
03mm

o
097
In
0
5mm

00157
m
04mm

o
0394

In
1
Omm

8
150
m
207mm

o
984
m
25mm

33
Ib
15

kg

0625
m

15
87mm

00051
m
0
13mm
J

i

r

174
to
188ft
Ib
24

to
2

6

kg
m

DIFFERENTIAL
REAR
AXLE
AND
REAR
SUSPENSION
151

4
Lower
the

Jack
and

r
move
dIfferentIal
from

rear
of
vehIcle
See

Figure
4
After
removal

sup

port
suspensIon
member
wIth

a
stand
to

prevent

distortlon
and

damage
to
the
Insulators

Differential

Inspection
Sedan

The

followmg
mspectIon
can
be
done
WIthout

disassembly
of
the
dIfferential
If
abnormalitIes

or

damage
eXiSts
refer
further

servIce
and

reparr

to

your
dealer

1
Check
the
tooth
contact

pattern
With
lead

oXide
at
two
or
three

pomts
after

removmg
rear

cover
Refer
to

Figure
5
which
shows
the

cor

rect
contact

pattern
If
the
contact

pattern
IS
m

correct

dIsassembly
and

adjustment
of
dIffer

entlalls

reqUIred

CD
TOE

HEEL
DRIVE

SIDE
HEEL
COAST

SIDE

2
Use
a
dIal
mdtcator
to
measure
backlash
be

tween
the
dnve

gear
and

pmIOn
Backlash

should
be

0
0039
to
0
0079
m
0
10
to

o
20mm
Check

all

gear
teeth
for

damage
and

cracks

3
Check
runout
at
the
rear
of
the
dnve

gear

If
the
tooth
contact

pattern
or
backlash

IS
ab
normal
Runout
should
be
less
than
00031

m

0
08mm
See

Figure
6

4
Rotate
the

gears
and
lIsten
for

SignS
of
de

fective

bearmgs
If
noises
are
eVIdent
the
dIf

ferential
must
be
dIsassembled
and

repaired

CD

Diflerentiallnstallation

Sedan

1
Mount
the
dIfferentIal

assembly
to
the
rear

suspensIOn
member

2
FIt
the
dIfferentIal

mountlng
member
to
the

fittmg
hole

by
pushIng
It
forward
with

a
bar

Torque
the

nuts
to
61
ft
lb

8
5

kg
m

3
Install
axle
dnve
shafts
dnve

shaft
and

handbrake

rear
cable

REAR

AXLE
AND
SUSPENSION

SEDAN

Figure
7
and

Figure
8

page
153
are
ex

ploded
dIagrams
of
the
sedan
rear
axle
and

suspensIOn
The

fully
independent
rear

suspen

SIon
IS
a
semI

traIlIng
arm

deSIgn
With
a
sus

penSIOn
member

suspensIOn
arms
coIl

spnngs

and

hydraulIc
shock
absorbers
The
wheel

bearings
are
lIfetime
lubncated

Rear
Axle

and

Suspension
Removal
Sedan

1
Jack

up
the

rear
of
the
veh1cle
and

support

It
on
stands

2
Remove
wheels

3
Refer
to

Figure
9
and
dtsconnect
handbrake

lInkage
and
rerum

sprmg
Remove
tall

pIpe
and

muffler

4
DISconnect
brake
hose
from
brake
tube
Re

move
four
bolts

holdmg
dnve
shaft
to
dIf

ferential

Lower
dnve

shaft

gently
to

ground

160

CHAPTER

TWELVE

@

@

@
I

F

7
Remove
ten
nuts

holdmg
the
drlIerentIal

assembly
to
the
axle
case
and
withdraw
the

differential

aSsembly

Rear
Axle

Inspection
Assembly
nnd

Installation

Wagon

1
Check
the
axle
shafts
for

straighmess
cracks

damage
wear
and
chstortion

Replace
1f
de

fectIve

Do
not

attempt
to
heat
axle

to

straJghten

I
it
as
thiS
wlll
weaken
the
axle
and
could
lead
to

more
senous
trouble

2

Clean
all

parts
thoroughly
With
solvent

3
Check
011
seal

hp
for

damage
Replace
as

requrred

4
Check
the

beanngs
for

damage
and

replace

1f
defective

5
Assemble
the
rear
axle

urnt
in
the
reverse
of

disassembly

6
Use

a
new

gasket
between
axle

cases
and

drlIerentIal

7
The

gear
carner

fixmg
nuts
must

be

torqued

m
a

diagonal

pattern
to

prevent
011
leaks

Tighten

to
145
to
159ft
lb
20
to
22

kg
m

8
Install
the

grease
catcher

beanng
spacer

bearmg
and
new

bearing
collar
on
the
axle

shaft
The

beanng
collar
must
be
fitted

using
an

arbor

press
and
4
to
5
tons
of
force
Make
cectam

to

pack
the
wheel

beanng
With

grease
and
msert

the
wheel

beanng
With
the
seal
Side
toward
the

wheel

9
If
the
011
seal
has
been

replaced
take

care

not
to

damage
it
when

mstallmg
the

axle
shaft

assembly
As

a
matter
of

good

practice
replace

the
011

seal
whenever
the
axle
is
disassembled

10
Refer

to

Figure
27
and

grease
the
mdicated

areas

Torque
all
bolts
as

speCified

11

Adjust
the
aXial
end

play
between
the
wheel

beanng
and
the

recess
in
the
axle
tube
with

adjusting
shims
The
end

play
should
be
00118

to
00197
m
03
to
O
5mm
Check
end

play

with

a
dial

gauge
as
shown
in

Figure
28