1968 DATSUN 510 brakes

CON1EN1S

CHAPTER
ONE

GENERAL
INFORMATION

Introduction

Model
Identification

CHAPTER
TWO

PERIODIC

MAINTENANCE

RoutIne
checks

Pen
odic
checks

CHAPTER
THREE

TROUBLESHOOTING

EqUIpment

Starter

ChargIng
system

EngIne

Igmtlon

system

Fuel

system

Exhaust

emIssIon
control

CHAPTER

FOUR

ENGINE
AND
IGNITION
TUNE
UP

EqUIpment

Battery

Spark
plugs

DIstrIbutor

Igmtlon

timIng

CHAPTER
FIVE

ENGINE
LUBRICATION
SYSTEM

Descnptlon

Lubncation

cIrcuIt
SpecIficatiOns
and
dImensIons

EngIne
lubncation
and

maIntenance

Recommended
lubncants

Clutch

TransmIssiOn

Brakes

Steenng
and

suspension

TIre
wear

analysIs

Wheel

balancIng

Idle

speed
and
Idle

mIXture

Dwell

angle
setting

CompressIon
test

Valve
clearance

adjustment

AddlllOnal
checks

Oil

pump
I

6

t
1

4

V

9
t

1

20

27

CHAPTER

TWELVE

DIFFERENTIAL
REAR
AXLE
AND
REAR
SUSPENSION
149

DIfferentIal

Rear
axle
and

suspension

Codspnng

Shock
absorber

Rear

suspensIOn
arm

Rear
axle

shaft
Wheel

beanngs

Seals

Rear

spnng

Axle
case

SpecificatIons

CHAPTER
THIRTEEN

FRONT

AXLE
FRONT
SUSPENSION
AND
STEERING
168

Wheel
hub
and

bearmg

StabilIzer

TenSion
rod

Spnng
and
strut

assembly

Transverse
lInk

Lower
ball

Jomt
Front

suspension
adjustment

Wheel

alignment

Posture

adJustment

Steenng
system

SpeCificatIons

CHAPTER
FOURTEEN

BRAKES
187

Brake

pedal

Master

cylInder

Front
diSC
brakes

Rear
brakes

Front
drum
brakes
Wheel

cylInders

Brake

system
bleedIng

Handbrake

Service
data
and

speCificatIons

CHAPTER
FIFTEEN

BODY
ELECTRICAL
SYSTEM

Wmng

SWitches
and
fuses

Instrument

meters
and

panels

Heater
205

Wmdshleld

wipers

Wmdslueld
washers

Headlamps

WIrIng
diagrams

CHAPTER

SIXTEEN

BODY

223

Front

body
trIm

Bumpers

Hood
lock
control

Doors
Door
locks
and

regulators

Trunk
lId
and

rear

bumper

Seats

Tad

gate

INDEX

235

I

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

CLUTCH
TRANSMISSION
AND
DRIVESHAFI
147

SERVICE
DATA
AND
SPECIFICATIONS

Table
3

gives
the
service
data
and

specIfica

tIons
for
the

dnveshaft

AUTOMATIC
TRANSMISSION

CHECKS
AND
ADJUSTMENTS

Whlle
removal
and

repair
of
the
automatic

transmisSIOn
IS
not

recommended
the

follo
VlIlg

checks
and

adjustments
should

help
prevent

costly
repatrs

Transmission
Oil
Check

Check
the
automatIc
transmission
oil
level
at

least

every
3
000
mlles

Replemsh
With

hIgh

qualIty
automatIc
transmISSIon
flUId
as

reqUIred

Be
careful
not
to
overfill
as

damage
to
the
seals

can
result
To
check
the
011
level

proceed
as

follows

1
Start
the

engme
and

nm
it
untIl
normal

oper

atrng
temperature
IS
reached

2

Apply
brakes
and

move
the
transmission

shut
lever

through
all
drive

pOSItions
and

place

lever
In

park
position

3
WIth

engme
running
remove
tranSmISSIon

dIp
StIck
clean
It
WIth
a
lInt
free
cloth
or

paper

and
return
it
to
the
transmission

4
Remove

dIp
stIck

agam
and
examine
level
on

dIp
stIck

gauge
It
should
be
between
the
low

and
full
marks

Replenish
as

necessary

5

VIsually
InSpect
the
color
and
condItIon
of

the
OIl
on
the

dIp
stIck
Normal
color
of
the
OIl

IS
red
If
the
color
IS
abnormal
dram
and

re

place
If
the
011
has
detenorated

to
a
vamlsh

lIke

qualIty
It

may
cause
the
control
valve
to

stIck
Blackened
oil

may
mdlcate
a
burned

clutch
or
brake
band
6
Should
the
above
condItIons

exist
refer

mamtenance
to
a
transmISSIon

specIalIst

Transmission
Oil

Leakage
Check

011

leakage
may
occur
at
the

Junction
of
the

transmissIon
and
rear
extensIon
011
tube
con

nectors
011

pan
OIl

pressure
mspectIon
holes

downshIft
solenoid
or
breather

pipe

Abnormal
OIl

usage
usually
mdlcates
leaks

that
should
be

stopped
before
severe

damage
IS

done
To

mspect
for
011
leaks

proceed
as

follows

1
LIft
car

up
on
hOISt
or

Jack
up
and

place
on

stands

2
Clean
outsIde
of
transmISSIon
case
With

cleanIng
solvent
to
remove
dIrt
and
011

accumu

latIons

3
Start

engme
and
nm
untIl

operating
temper

ature
is
reached

4
ShIft

gear
lever
to
dnve
to
Increase
011

pres

sure
and
CIrculatIon
WIthin
tranSmISsion

5

Inspect
pOInts
mentIoned
above
for

SIgnS
of

leakage
Leakage
of
transrmSSIOn
011

IS
dIStrnC

tIve

by
its
reddISh
color

6
If
leaks
are
detected
refer
servIce
and

reparr

to

qualIfied
transrmssion

specialISt

Kick
down
Switch

and
Downshift
Solenoid

Checks
and

Adjustment

When
ktck
down

operatIon
IS
not
correct
or

the

speed
changmg
pomt
IS
too

high
check
the

klck
down
SWItch
downshIft
solenOId
and
the

wlDng
between
them

Figure
45
shows
the
loca

tIOn
of
these

parts
To
check

operatIon
proceed

as
follows

Table
3
J

DRIVESHAFT
SERVICE
DATA
AND
SPECIFICATIONS

SpeCifications

Axial

play
of

spider
Journal

Sleeve

yoke
spltne
to
malnshaft

Spline
lash
wear
Itmlt

MaXimum
drive
shaft
runout

Journal
diameter
wear
limit

Penmlsslble

dynamiC
unbalance
at
4
000

rpm

Tightening
Torque

Flange
yoke
to

compaRlon
flange
nuts

CompaRlon
flange
center

bearing
nut
pick

up

Bearing
mounting
bracket
installation
bolt
00315
In
008mm

OtoO
0031
In
OtoO
08mm

00197
In

0
5mm

00236
In
06mm

00059
In

0
15mm

0278
In
oz

15

gr
cm

2893
to

615ft
Ib
40
to
8
5

kg
m

74
to
111
ft
Ib
10
to
15
kg
m

18

to
20
ft
Ib
24
to
2
7

kg
m

CHAPTER
FOURTEEN

BRAKES

The
sedan
and
station

wagon
are

equipped

With
disc
brakes
on
the
front
wheels
drum

brakes

on
the

rear
wheeis
and
a
tandem
master

cyhnder
The

pIck

up
has
drum
brakes
on
all

four
wheels
and

a

single
master

cylmder
All

vehicles
have

a
mechanIcal
handbrake
that

works

on
the

rear
wheels

only

BRAKE

PEDAL

Figures
1
and
2
show
the

mounting
location

and
the

components
of
the
brake

pedal
for

sedans
and

wagons
The

pick
up
is
smlliar

Brake

Pedal
Removal

1
Remove

pedal
return

spring

2
Remove
cleViS

pm
on
the

push
rod
CD

3
Disconnect
brake

pedal
from
the
master

cyhnder

4
Remove
the
fulcrum

pm
Remove
the
brake

pedal

Brake
Pedal

Inspection
nnd

Repair

Check
all

parts
for
wear

damage
and
defor

matIon

Replace
defective

parts
as

reqwred

190

CHAPTER
FOURTEEN

Master

Cylinder
Assembly
and
Installation

I
Assemble
the
master

cyhnder
m
the

reverse

order
of

dIsassembly

2
Pnor
to

assembly
soak

piston
cap
m
brake

flwd

Install

piston
so
that
It
seats

firmly
on
the

piston

cup

3
Coat
the

cyhnder
bore

and

pISton
assemblies

With
clean

brake
flwd
before

assembly

4
When

assembly
IS

complete
mount
master

cylmder
on
dash

wall
and
hook

connecting
rod

to
brake

pedal
Replace
return

sprmg
Fill
the

reservOir
With

clean
brake
flUid

5
If

aIr
has

seeped
mto
the
brake
Imes
bleed

the

brakes
as
descnbed
later
m
thIS

chapter

FRONT
DISC
BRAKES

SEDAN
AND

WAGON

Brake

Pad

Replacement

Pad
wear
should
be
checked

every
4
000

nuIes
Clearance
between

the

pad
and
the
rotor

IS

adjusted

automatIcally
and
therefore
IS
not
a

wear
mdlcator

Pad
thiCknesS
IS
checked

by
re

movmg
the
antI

rattle

clJp
When
the

pad
hning

becomes

worn
to

0
04

Imm
replace
all

pads
on
the

front
wheels

I
Remove

the
hub

cap
loosen
the
hub
nuts

jack

up
the
vehicle

support
with

stands
and

remove
the
front
wheels

2
Remove

the
antI
rattle

clJp
from

the

caliper

plate
as
shown
m

Figure
S

jty

3
Loosen
the
bleed
screw
Pull
the

calJper
plate

outward
4
Push
the

pISton
m

approximately
0
157
in

4mm

as
shown

m

Figure
6

5
The
outer

plate
should

be
loose

enough
to
be

removed
See

Figure
7

6

Dra
y
the

calJper
plate
rlfward

and
remove

the
inner

pad

7

Wipe
exposed
surface
of

piston
thoroughly

8
Push
the

piston
mto
the

cyhnder
bore
untJI

the

new

pads
can
be
mstalled
onto
the

calJper

plate

9
After

instl
llatIon
test
the
brakes
at
slow

speed
to
make
certam

they
are
fitted

properly

and
that

no
au
entered
the

hydraul1c
hnes
Bleed

the
brake

system
If

required

Front
Disc
Brake
Removal

I
Jack

up
the
vehicle

place
It
on
stands
and

remove
the
wheels

P

BRAKES
191

2
Disconnect
the
front
brake
hose
from
the

brake
tube
See

Figure
8
and

plug
the
brake

hne
to
avoid
flwd

loss

3
Screw
out
the
bolts

fixing
the

calJper
to
the

knuckle

flange
and
remove
the

calJper
assembly

as
shown
m

Figure
9

4
Remove
the

spmdle
nut
and
the
dISC
hub

Separate
the
rotor
from
the
hub

assembly
See

Figure
10

Front
Disc
Brake

Disassembly

Figure
11
next

page
IS
an

exploded
diagram

of
the
front
disc
brake

assembly
Refer
to

figure

and
follow
the

followmg
procedures

I
Remove
the
antI
rattle

clip
from
the

calJper

plate
and
remove
the
brake

pads
4

2
Remove
the
tension

spnngs
and

pull
the

cyhnder
out
of
the

caliper

plate
3
Remove
the

piston
by
applymg
air
or

hy

draulJc

pressure
to
the
flwd
mlet
hole
Remove

the
rubber
seal
from
the

groove
on
the

cyhnder

Remove
the
retamer
and

Wiper
seal
The

pISton

can
now
be
removed

Front
Disc
Brake

Inspection
and

Repair

I
Check
the

cyhnder
assembly
for

leakage
and

damage
Replace
If
defects
or

damage
are

apparent

2
Check
the
disc
brake

pads
for
wear
and

cracks

Replace
all

pads
If
It
IS

necessary
to

replace
any

fi

3
Check
the

caliper
for

damage
Replace
as

reqUIred

4
Check
the
rotor
for
scratches

sconng
and

general
conditIon
The
rotor
can
be
resurfaced
If

defects
are
found
Standard
rotor
thiCknesS
IS

o
0394
m

IOmm
The
hm1t
of

reconditIOning

thickness
IS
0
331
m
8
4mm

Replace
rotors
If

recondltIomng
limits
have
been
reached

5
Check
the
rotor
for
TWlout

usmg
a
dial

gauge
as
shown
m

Figure
12
Rnnout

ot
the

rotor
should
be
less
than
0
0024

m
0

06DlIll

BRAKES
193

Front
Disc
Brake
Piston
Seal

Replacement

If
oil

leakage
is
detected
around
the

piston

seal
It
should
be

replaced
as
follows

I
Rinse
the

cyhnder
bore
With
brake
flwd
In

sert
new
seal
into
the

groove
taking
care
not
to

damage
It
Attach
the

wiper
seal
Lubricate

cylinder
bore

lightly
With
brake
fluid

2
Clean
the

piston
Inspect
the

pISton
for
scor

ing
or
other

damage
before

inserting
It
Make

sure
that
the
relieved

portion
of
the

pISton
faces

the

pivot
pin
Prevent

tilting
of
the

piston
when

It
IS
mserted
mto
the

cyhnder
Refer
to

Figure
13

@

4

Front
Disc
Brake

Assembly
and
Installation

I
Clean
the

mounting
surface
and
disc
surface

Attach
the
disc
to
the
hub

2
Install
the
hub
to
the
knuckle

spindle

3
Insert
the

piston
into
the

cylinder
untIl
its

face
is
almost
flush
With
the
face
of
the

wiper

seal
retamer

4
Install
the

cyhnder
mto
the

caliper
plate
and

secure
with
the
torsion

spnngs

5

Assemble
the
hold
down

pm
spring
washer

and

nut
to
the

support
bracket

6

Insert
cotter

pin
into
the
nut

7
Assemble

mounting
bracket
and

calJper
plate

with

pivot
pm
washer

spring
and
nut

Tighten

nut

completely
and
insert
cotter

pin

8

Pry
up
the
hold
down
bracket
with
a
screw

dnver
Hook
it

to
the

upper
end
of
the

mounting

bracket
Turn
the

cal1per
plate
to
make
sure
it

slides

smoothly

9
Install
the

caliper
assembly
to
the

knuckle

flange
10
Attach
shun
to
inner

pad

I
I
Insert
the
inner
dIsc

pad
Pull

the

caliper

plate
outward
and
insert
the
outer
disc

pad

12
Attach
the
anti
rattle

plate

13

Replace
wheel
and
remove
stands

REAR
BRAKE
SEDAN
AND

WAGON

Figure
14
IS
an

exploded
view
of
the
rear

brake

assembly
used
m
the
sedan
and

wagon

Rear
Brake
Removal
and

Disassembly

1
Jack

up
the
rear
of
the
vehicle
and

support
It

on
stands
Remove
the
wheels

2
Release
the

parkIng
brake
DISConnect
the

cross
rod
from
the
lever
of
the
ie
wheel

cylinder

3
Remove
the
brake
drum

4
Remove
the
return

springs
and
take
out
the

brake
shoe
assemblies

5
Disconnect
the
brake
tube
from
the
wheel

cylinder

6
Remove
the
wheel

cylinder
by
removing
dust

cover

plates
and

adJusting
shIms

7
DISassemble
the
wheel

cylinder
by
removing

the
dust
cover
and

snap
nng

8
Remove
the

adJuster
assembly

Rear
Brake

Inspection
d

Repair

Sedan
and

Wagon

I

Inspect
the
brake

druf
1s
for

scoring
signs
of

excessive
heat
and
out
of
round

Repair
or
re

place
the
drums
as

reqUIred
The

following

specificatIons
apply

Drum
Out
of
Round

Inner
Olameter

MaXImum
Diameter
after

IlI1ndmg
Less
than
0
0020
In
0
05mm

8
999
m
228
6mm
1

9040
In
229
6mm

2

Inspect
brake

limngs
for
wear

signs
of
oil
or

grease
and
cracks
If

any
of
these
conditions
are

found

replace
the

linmgs
Have

a
brake

special

ISt
arc
the

limngs
to
match
the
diameter
of
the

drums
after

replacement
If
the
thickness
of
the

limng
is
under
0
0591
m
1
5mm

replace
it

3
Check
the

adjusting
cams
for
smooth

opera

tion

Replace
as

reqUIred

4
Check
the

spnngs
If

they
appear
weak
or

uneven
m
tension

replace
them