1968 DATSUN 510 tires

GENERAL
INFORMATION
5

Table
1
MAIN

SPECIFICATIONS
AND
DIMENSIONS
continued

Suspension
Rear
Sedan
Wagon
Pick

up

Manual
Automatic
Manual
Automatic
Manual

HypoJd
Hypoid
Hypold

ReCIrculating
ball
ReCIrculating
ball
ReCirculating
ball

DIsc
DIsc
Drum

Drum
Drum
Drum

Mechanical
rear
wheels
Mechanical
rear
wheels
Mechanical
rear
wheels

Independent
strut

type
Independent
strut

type
Independent
torsion
bar

with
tension
rods
and
with
tension
rods
and

stabilizer
stabilIZer

Independent
semi

trailing
Semi

elliptiC
leaf

spring
Semi

elliptic
leaf

spnng

arms
wrtII
coli

springs
and

shock
absorbers

5
6O
13
4PR
5
6O
13
4PR
600
14
6PRLT
ITEM

Transmission

Type

Final
Gear

Type

Steering
Gear

Type

Brake

Front

Rear

Parking
Brake

Suspension
Front

Tires

6
2
Q
1
C
S

PA
l
PlLlU

EN
4
1
AJ
E

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A

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1
1

2
A
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r
f
f
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r
IL

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IJ
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prlc
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u

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l
e

p
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l

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p7
5

PrlV

B4dc
u
11
1

S
t
f
PT

f
L
UJ
ff
zr
F

T
ff

lfo

1oo

4

t

M

0

IY
AJ
to
BTOL

@
OD

2

lP

S

PAtl
pI
c

5
IN
G

ex
Sf

0103
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D
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oo

0
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2
JP
t
UE

SEIT
A

C
1

J

CHAPTER
TWO

PERIODIC
MAINTENANCE

To
ensure

good
performance
dependability

and

safety
regular
penodlc
maintenance
is

necessary
TIns

chapter
outlInes
routine

and

penodlc
mamtenance
for
the

average
dnver

Under

heavy
usage
semcmg
mtervals
will
be

shortened

Regular
routme
mamtenance
will

help
aVOId

expensive
repaIrs

ROUTINE
CHECKS

The

followlDg
checks
should
be

performed
at

each
fuel

stop

1
Check

engme
oil
level

Top
up
as

requrred

2
Check
radiator
coolant
level

Top
up
as
re

qwred

3
Check

battery
electrolyte
The

battery
case

IS
marked
With

upper
hrmt
and
lower
lnmt
lInes

Level
should
be
maID
tamed

between
the
IIDes

4
Check
that
the
master

cylInder
brake
flwd

reservOir
level
IS
between
the
max
and
mm

lInes
marked
on
the

plastic
case

S

Check
the

plastic
clutch

cyhnder
reservoir

level
Level
should
be
between
the
max
and

mm
lInes

6
Check
the
windsh1eld
washer
flwd
reservoir

Top
up
as

required
7
Check
tire

pressures
when
the
tIres
are
cold

Front
and
rear
tire

pressures
should
be
24

pounds
under
normal

dnving
conditions
TIre

pressure
should
be
28

pounds
for

h1gh
speed

dnvmg
conditions

8
Check
the

engIne
for

general
conditIon

Check
for

leaky
or
cracked
hoses
and
loose

wmng

9
Check
condition
of
wmdshleld

wiper
blades

PERIODIC
CHECKS

Table

1

prOVIdes
penodIc
checks
and
main

tenance
that
should
be

performed
on
a
set

schedule
Table
2

gIves
recommended
lubncants

and
Table
3

specIfies
the

grades
of
oil
that
should

be
used
Procedures
for

performmg
the
semces

are

presented
ID
vanous

chapters
of
tlus
manual

Table
3
RECOMMENDED
GRADES
OF
OIL

Temperature
Engine
on

MS

Above
32
C
90

F
average
SAE
30
IOW
30

32
to
0
C
90

to
32

F
mlmmum
SAE
20
20W
IOW
30

O
to
12
C
32
tolO

F
mlRlmum
SAE
IOW
IOW
30

Below
12
C
10
F
mlmmum
SAE
lOW
IOW
30

16

CHAPTER

TIlREE

sary
Also
check
all

parts
for

mlSaltgnment
and

uneven
wear

TRANSMISSION

1

Difficult
to
mesh

gears

Make
certam
the

clutch

pressure
plate
and
re

lease

beanng
are
m

good
condItion
The
trouble

can
be

caused

by
worn

gears
shaft
and
or
bear

mgs
DISassemble
and

repaIr
as

requIred
Also

can
be
caused

by
msufficlent

operatmg
stroke

due

to
worn
or
loose

sltdmg
parts
or
a
defective

synchronIZer
DIsassemble

carefully

InSpect
and

replace
as

requIred

2
Gears

slip
out

of
mesh

Generally
thIS
trouble
occurs
when

the
mterlock

plunger
check
ball
and

or

spnng
IS
weakened

or
worn
The
trouble
can

also
be
caused

by
worn

fork
rod
ball

groove

damaged

bearings
or
dam

aged

gears
DIsassemble

carefully
mspect
and

replace
as

required

3
NOIse

If
nOISes
are
heard

wIth
the

engme
idlmg
and
the

clutch

disengaged
the
nOIse
IS

probably

conung

from
the

transmISSIOn
Several
Items

can
cause

nOISes

either

smgly
or
m
combmatIon

Check
the

qualIty
and

quantity
of
lubrIcant

in
the
trans

mISSIon

Replace
or

replenISh
as

necessary
Worn

bearIngs
wIll

usually
produce
a

lugh
humming
at

hIgh
speed
and

a

cycltc
knockIng
sound
at
low

speed
Worn

or

damaged
splInes
and

bushmgs

will
also
cause

nOIse

BRAKES

1
Brake

pedal

goes
to

floor

There

are
numerous
causes
for
thIS

includIng

excessIvely
worn

Itnmgs
aIr
in
the

hydraultc

sys

tem

leaky
brake
lmes

leaky
wheel

cylmders
or

leaky
or
worn

master

cylmder
Check
for
leaks

and
thIn
brake

linmgs
Bleed
and

adjust
the

brakes
If

thIS
doesn
t
cure
the
trouble

rebwld

wheel

cylmders
a
nd
or
master

cylmder

2

Spongy

pedal

Normally
caused

by
aIr
m
the

system
blee
d
and

adjust
the
brakes

3

Brakes

pull

Check

brake

adjustment
Also
check
for
contam
inated

brake

Itmngs
from
leaks

leaky
wheel

cyltnders
loose

caltpers
frozen

or
seIZed

pIstons

and
restrIcted
brake
lmes

or
hoses
In
addItion

check
front
end

alignment
and

suspensIOn
dam

age
such
as
broken
front

or
rear

sprmgs
shocks

etc
Check
condItIon

of
tIres

4
Brakes

squeal
or
chatter

Check
brake

lmmg
thickness

and
brake
drum

roundness
Ensure

that
the
shoes
have
cham

ferred
ends

and
are
not
loose

Inspect
the
condI

tion
of

the
rotors
on
the
front
wheel
dISC

brakes

to
make

certain

they
are
not
scored

or

damaged

Clean

away
all
dIrt
on
shoes

pads
rotors

or

drums

5

Draggmg
brakes

Check

brake

adjustment
includmg
handbrake

Check
for
broken
or

weak
shoe
return

springs

swollen
rubber

parts
due
to

unproper
brake
flUId

or
other
contammatIon

Clean
or

replace
de

fectIve

parts

6
Hard

pedal

Check
brake

linmgs
for

contammation
Also

check
for

restrIcted
brake
lines

and
hoses

7

High
speed
fade

Check

for
dIstorted
or
out
of
round
drums

and

contamInated
brake

lmmgs
Make

certam
the

recommended
brake
flUId
IS

used
Dram
entIre

system
and
refill
If
In
doubt

8

Pulsatmg
pedal

Check
for
dIStorted
or
out
of
round
drums

or

rotors
Check
for

excessIVe
brake

dISC
run
out

STEERING
AND

SUSPENSION

NOTE
Unusual

steermg
pullmg
or

wandermg
IS

usually
caused

by
bent

or
otherwise

mIsaligned

suspenszon

parts
Because

of
the

speCialized
equIp

ment

reqUired
to
evaluate
and

correct

these

faults
It
IS
recommended

t
tat

servIce
to

the

steermg
and

suspension

system
be

referred
to

your
Datsun

dealer

oca

quallfied
specrallst
m

thiS

field

1
VibratIOn

felt
m

steermg
wheel

VIbratIon
can
be
caused

by
several

thmgs
includ

ing
lll1proper
aIr

pressure
m
tIres

uneven
wear

18

CHAP1
lER
THlREE

c

c

c

ce

J

1

Ii

j

Wheel

Alignment
Worn
more
on
one
sIde
than

the
other

Edges
of
tread
feathered

r

I

0c
l

Road
Abrasion

Rough
wear
on
entire
tire
or

In

patches

t

y

1

OverInflabon
Worn
more
In
center
than
on

sides
Wheel
Balance

Scalloped
edges
indicate

wheel
wobble
or

tramp
due
to
wheel
unbal

ance

f
Q
F

r

r

r

f

i
m

i
O

2

7

iK

J

1

J

i
i

5J

CombInation
Most
tIres
exhibit
a

combination

of
the
above
This
tIre
was

overinflated
center

worn

and
the
toe
In
was

Incorrect
feather

Ing
The
driver
cornered
hard
at

high
speed

feathering
rounded
shoulders
and
braked

rapidly
worn

spots
The

scaly
roughness
In

dlcates
a

rough
road
surface

WHEEL
BALANCING

All
four
wheels
and
tIres
must
be
ill
balance

along
two
axes
To
be

ill
statIc
balance

weight

must
be

evenly
dlstnbuted
around
the
llXlS
of

rotatIon

Figure
3A
shows

a

statIcally
unbal

anced
wheel

Figure
3B
shows
the
result
wheel

tramp
or

hoppmg
Figure
3C
shows

proper
static

balance

To

be
ill

dynamiC
balance
the
centerhne
of

die

welghtmusCcomclde
with
the
centerhne
of

the
wheel

Figure
4A
shows
a

dynamically
un

balanced
wheel

Figure
4B
shows
the
result

wheel
wobble

or

shmuny
Figure
4C
shows
the

proper
dynannc
balance

l

INDEX
239

Rear

suspensIOn
wagon
Removal
40
92

Servlcmg
161
Termmals
94

Tightening
torques
162
Test

diagnosIs
97

Testmg
96

Troubleshootmg
10

5

Steenng
also
see

Suspension
front

I

Exploded
views
182
185
L

Seats

SpecIfications
186

DescnptIon
228

Troubleshooting
16

Exploded
View
front
4
door
sedan
232

SuspensIOn
front

pick
up

Exploded
VIew
front

pick
up
228

Axle
removal
175

Service
hmts
4

Inspection
and

repair
179

Shock
absorbers
sedan
154

Installation
179

Shock
absorbers

wagon
162

Posture

adjustment
181

Spark
plugs
Removal
177

CondlllOn
chart
21

Wheel

abgnment
182

InspectIon
and

servlcmg
21

Wheel

bearmg
adjustment
177

Recommended

types
112

Suspension
front
sedan
and

wagon

SpecificatIOns
and
tables

Inspection
and

repair
176

Adjustment
and
wheel

alignment
175

InstallatIOn
177

Brake
service
data
203
204

Lower
ball

Jomt
174

Brakes
203
204

Spnng
and
strut

assembly
173

Camshaft

beanngs
48

Stabilizer
173

Caster
and
camber
sedan
and

wagon
175

TenSIOn
rod
173

Clutch
134

Transverse
bnk
174

Clutch
service
data
134

Wheel

beanngs
177

Connectmg
rod

beanng
underslzes
52

Wheel
hubs
and

bearmgs
168
173

Dlstnbutor
112

SWItches

Dnveshaft
147

DescnptIon
205

Dnveshaft
service
dala
147

Exploded
View

through
1969
208

Engme
60
61

Exploded
view
1970
1972
207

Engme
service
data
60
61

General
4

Mam

bearmg
underslzes
52

T

Piston

rmg
gap
50

Rear

suspenSIOn
pick
up
167
Tail

gate
228
233

Rear

suspensIOn
torques
wagon
162

TenSIOn
rod
sedan
and

wagon
173

Steermg
186
Thermostat

TransmiSSion
manual
144

DescnptIon
89

TransmiSSion
service
data
manual
144

Inspection
and

replacement
89

Valve

spnng
47

Removal
89

Sprmg
and

strut

assembly
sedan
and

wagon
173
Tires

Spnngs
sedan
154
Wear

analYSIS
17

Stabilizer
sedan
and

wagon
173

TransmiSSion
automatic

Starter
Downshift

solenOid
147

Armature
95
Inhlbllor
SWItch
148

Beanngs
96
Kick
down
SWitch
147

Brush
holder
96

Lmkage
mspectIon
and

adjustment
148

Brushes
and
lead
WIre
95
011
checks
147

Cleaning
mspectIon
and

repair
94
Oil

leakage
147

Construcllon
92
TransmiSSion
manual

Disassembly
92

DescnptIon
134

Exploded
View
93

Disassembly
138

Field
COIl
94

Exploded
view
138

Magnetic
SWItch
96
Gear

assembly
exploded
view
139

Magnetic
SWItch

assembly
test
97

Inspection
and

repair
141

Operation
91
Installation
143

Overrunnmg
clutch

96

Reassembly
and

adjustment
142

Reassembly
96
Removal
134