1979 DATSUN 210 engine

Engine
Tune

up

Condition
Probable

cause

Overheat

Improper
fuel

mixture

Floor

temp
ture
too

high
California
and

FU
model
Problem
in

fuel

system
Refer
to

Inspec

tion
of
Fuel

System

Problem
in

ignition
system

Refer
to
In

spection
oflgnition
System
Corrective
action

Previously
mentioned

Check
the
fuel

system

Check
and

repair

Check
and

repair

SPECIAL
SERVICE
TOOL

Kent
Moore
No

Tool
number
tool

name
Reference

page
or

Fig
No

STl9320000
Oil
filter
wrench

125664

Page
ET
3

ET
23
Kent
Moore

No

Tool
number
tool
name
Reference

page
or

Fig
No

DATSUN
210
Model
8310
Series

ENGINE
MECHANICAL
GIll

CONTENTS

ENGINE
COMPONENTS

ENGINE
DISASSEMBLY

PRELIMINARY
CLEANING
AND

INSPECTION

DISASSEMBL
Y

PISTON
AND

CONNECTING
ROD

CYLINDER
HEAD

INSPECTION
AND
REPAIR

PREPARATION
FOR
INSPECTION

CYLINDER
HEAD
AND
VALVE

CAMSHAFT
AND
CAMSHAFT
BEARING

CYLINDER

BLOCK

PISTON
PISTON
PIN
AND

PISTON
RING

CONNECTING
ROD

CRANKSHAFT
EM
2

EM
3

EM
3

EM
3

EM
4

EM
5

EM
5

EM
5

EM
5

EM
7

EM
7

EM
9

EM
9

EM
9
BEARING

MISCELLANEOUS
COMPONENTS

ENGINE
ASSEMBLY

PRECAUTIONS

CYLINDER
HEAD

PISTON
AND
CONNECTING
ROD

ENGINE

ASSEMBLY

SERVICE
DATA
AND

SPECIFICATIONS

GENERAL
SPECIFICATIONS

INSPECTION
AND
ADJUSTMENT

TIGHTENING
TORQUE

TROUBLE
DIAGNOSES
AND

CORRECTIONS

SPECIAL
SERVICE
TOOLS
EM
fO

EM
ll

EM
12

EM
12

EM
12

EM
12

EM
13

EM
lB

EM
lB

EM
19

EM
30

EM
31

EM
34

1
Rockel

covel

2

Cylindel
head

3

Cylinder
block

4

Cnnksbaft

5
Piston

6
Oil

pan

7

Flywheel

8
Valve
mechanism

9
Cam
haft

10

Timing
chain

11
Front
cover

12
Watel

pump
Engine
Mech
lnical

ENGiNE
COMPONENtS

I

I

I

ld

n

t

I

EM765

Fig
EM

l
Engine
ComponentJ

EM

2

PRELIMINARY

CLEANING
AND

INSPECTION

Before

disassembling
engine
ob

serve
the
following
items

I

Prior
to

disassembling
check

outer

parts
for

sign
of
leak

past
their

gasketed
surfaces

2
Check
carburetor
and
fuel

pump

for
condition
fuel
hoses
for
deteriora

t
ion

cracks
or
otherwise

leakage
of

fuel

past
their

jointed
or

connected

surfaces

3

Wipe
dust
and
mud
off

engine

4

Inspect
outer

parts
for
visual

faults
and
broken
or

missing

parts
such

as
bolts
and

nuts

5
Check

piping
and
electrical
cir

cuits

for
deterioration
breakage

fittings
discontinuity
or
insulation

DISASSEMBLY

To

remove

engine
from
car
refer
to

Section
ER

for
Removal

1
Remove

starting
motor
then
re

move
transmission
from

engine

2
Remove
clutch
assembly

3
Remove

alternator
fan
belt
alter

nator
bracket
and
alternator
adjusting

bar

4
Remove

idler
pulley
air

pump

belt
and
idier

pulley
bracket

If
so

equipped

Note
Loosen
idler

pulley
nut
and

belt

adjusting
bolt
in
that
order

@

1

Idler

pulley
nut

2
Belt

adjusting
bolt

3
Air

pump
belt

4
Idler

pulley
bracket
EM527

Fig
EM
2

Removing
Idle

Pulley

Air

Pump
Belt
and
Idle

Pulley
Bracket
Engine
Mechanical

ENGINE
DISASSEMBLY

5

Remove
air

pump
pulley
air

pump
and
air

pump
bracket
If

so

equipped

6
Remove
fan
fan

spacer
and

pul

ley

7
Remove

oil
level

gauge

8
Remove

distributor

cap
and

high

tension

cables
as
an

assembly

9
Disconnect
distributor
vacuum

line
from
distributor
and
remove
dis

tributor

10
Disconnect

fuel
line
from

carbu

retor

II
Remove
fuel

pump
and
fuel
line

12
Remove
water
outlet
and

thermostat

13
Remove

engine
mounting
brack

et
R
H

14
Remove

oil

pump
and
filter
as

sembly

EL043

Fig
EM

3

Removing
Oil

Pump

15

Remove

spark
plugs

16

Install

Engine
Attachment

KVlOI02500
to

cylinder
block

using

engine

f1
ounling
bracket

R
H
attach

ing
studs
fuel

pump
attaching
studs

and
alternator

bracket

attaching
bolt

holes

17
Mount

engine
on

Engine
Stand

ST050I
SOOO

Fig
EM
4

EM
3
18
Remove

engine
mounting
brack

et

L
H

19
Disconnect

air
vacuum
and

blow

by
hoses
from
air

cleaner

20
Remove
air
cleaner
and
air

cleaner
brackets

21

Remove
vacuum
control
valve

assembly
and
bracket

as
a
unit

22
Remove
carburetor
and
baffle

plate

23

Remove
E
G
R
control
valve

24

Remove
intake
and
exhaust

manifold
assemblies

EM528

Fig
EM
5

Removing
Manifold

25
Remove
P
C
V

hose

pipe
con

nector
to
control
valve

26
Remove

rocker
cover

27
Loosen
valve
rocker

adjusting

nut
and
turn

adjusting
screws
out
to

disengage
push
rods
Then

evenly

loosen
rocker
shaft
bolts

28
Remove
rocker
shaft

assembly

EM453

Fig
EM
6
Removing
Rocker

Shaft

Assembly

29
Withdraw

push
rods
and

keep

them
in

correct
order
1

30
Loosen

cylinder
head
bolts

a

little
at
a
time

in
the

sequence
shown

in

Fig
EM
and
remove

cylinder

head

EMA
54

Fig
EM
7

Cylinder
Head
Bolt

Looaening
S
quence

Fig
EM

8
Removing
Cylinder
Ht
ad

Note
Do
not

pry
between
head
and

block
as

gasket
surfaces
may
be

come

damaged

31
Invert
engine

32
Remove
oil

pan
and
oil
strainer

33
Invert

engine

34
kemove
water

pump

35

Remove
crank

pulley
and

timing

chain
cover

EMA
55

Fig
EM
9

Removing
Timing
Chain

Cover

36
Remove
i1
thrower
and

chain

tensioner

37

LQ9sen
camshaft

sprocket
bolt

and
remove
both

procket
and

timing

chain
an

assembly

3

Remove

connecting
rod

caps

and

push

piston
and

connecting
rod

assemblies

out
of
the
bores
Engine
Mechanical

hi

r

EM456

Fig
EM

l
0
Remooing
Piston
and

Connecling
Rod

Assembly

Note
Numbers
are

stamped
on
con

necting
rod
and

cap
rllnding

to
each

cylinder
Care
should
be

taken
to
avoid

wrong
comhination

including
bearing

39

Remove

flywheel
and
rear

plate

WARNING

When

remnving
flywheel
be

careful

not
to

drop
it

40

Gradually
loosen
main

bearing

cap
bolt
in

two
or
three

stages
and

remove

caps
See

Fig
EM
II

I

l
P

@
D

M458

Fig
EM
ll
Main

Bearing
Cap
Bolt

Loo

ning
Sequ
nce

41
Remove
rear
oil
seal

42
Lift
out
crankshaft

43

Remove
main

bearings
from

block
and

bearing
caps

44
Remove
baffie

plate
and
tee

net

EM460

Fig
EM
l2

Remooing
Baffle
Plate

and
Steel
Net

EM
4
45
RemoVe
camshaft

plate
Careful

ly
remove
camshaft

by

pulling
it
to

ward
the
front
of

engine

EM461

Fig
EM
j3
Camshaft
Plate

46
Remove
valve
lifter
and

keep

them
in
order

PISTON
AND

CONNECTING
ROD

I
Remove

piston
rings
with
a

ring

remover

EM292

Fig
EM
14

Remooing
PUton

Ring

2
Press
out

piston
pin
with
Piston

Pin
Press
Stand
KVIOIOS300

EM103

Fig
EM
15
R

moving
Piston
Pin

Note

Keep
disassembled

parts
in

order

CYLINDER
HEAD

I

Using
Valve
lifter
STl2070000

compress
valve

spring
and
remove

valve
collet

2

Release
Valve
Lifter
and
remove

spring
retainer

spring
oil
seal

spring

seat
and

valve

PREPARATION

FOR

INSPECTION

I

8efore

cleaning
check
for

signs

of
water

and
oille
s

2

Clean
oil
and

carbon

deposits

from
all

parts
They
should
be
clean

from

gaskets
and
sealant

3
Clean

all
oil
holes
with

solvent

and

dry
with

compressed
air

Make

sure

that

they
are
not

restricted

CYLINDER
HEAD

AND
VALVE

CHECKING

CYLINDER

HEAD
MATING
FACE

I

Make
a
visual
check
for
cracks

and

flaws

2

Measure
surface
of

cylinder
head

on

cylinder
block
sid
for

warpage

If

beyond

designated
limit

correct

s
rface
with

a
surface

grinder

Warpage
of
urfece

Less
than

0
1
mm
0
004
in

EM108

Fig
EM

IS
Checking

Cylinder
Head

Surface
Engine
Mechanical

EM462

Fig
EM

16
Removing
Value

3
Place
valve

components
in
order

INSPECTION
AND
REPAIR

Note

Surface

grinding
limit

The

grinding
limit

of

cylinder
head

is

determined

by
the

cylinder
block

grinding
in
an

engine

Depth
of

cylinder
head

grinding

is
A

Depth
of

cylinder
block

grinding

is

6B

The
limit
is
as

follows

A
B
0
2

mm
0
008
in

VALVE

i
Check
each
of

the
intake

and

exhaust
valve
for
worn

damaged
or

deformed
valve

caps
or
stems
Correct

or

replace
the
valve
that
is

faulty

For

standard
size
of
valve

refer
to

Service
Data

and

Specifications

2

Valve
face
or

valve
stem
end

surface
should
be

refaced

by
using
a

valve

grinder

Note
When
valve
head
has
been

worn

down
to
0
5

mm
0
020
in
in

thickness

replace
the
valve

Grinding
allowance
for
valve
stem

end
surface
is
0
5
mm
0
020
in
or

less

c

EM111

Fig
EM

19
Regrinding
Valve
Face

EM
5
C

vO@
lll@8

C
CQ8@
a

EM463

Fig
EM
17
Valve

Components

Note
Take
care
not
to
lose
valve

spring
seat
oil
seal
valve
collet

and
valve
rocker

guide

VALVE
SPRING

I

Check
valve

spring
for

squareness

using
a

steel

square
and

surface

plate

If

spring
is
out
of

square
S
more

than

specified
limit

replace
with

new

ones

Out

of

square
S

Less

than

1
6
mm

0
063
inl

L

1

EM296

Fig
EM
20

Measuring
Spring

Sguareness

2

Measure
the
free

length
and
the

tension

of
each

spring
If
the
measured

value
exceeds
the

specified
limit
re

place
spring

Refer

to
Service
Data
and

pecifica

tions

EMl13

Fig
EM
21

Measuring
Spring
Teruion

VALVE

GUIDE

Measure
the

clearance
between

valve

guide
and
valve

stern
If

the

clearance
exceeds
the

specified
limit

replace
the
worn

parts
or
both
valve

and
valve

guide
In
this

case
it
is

essential
to
determine
if
such
a
clear

ance
has

been
caused

by
a
worn
or

bent
valve
stem

or

by
a
worn
valve

guide

Determining
clearance

Precise
measurement
of
clearance

between
valve

stem
and

valve

guide

needs
the

aid
of
a
micrometer

and
a

telescope
hole

gauge
By
using
these

gauges
check
the
diameter
of
valve

stem
in

three

places
top
center
and

bottom

EM030

Fig
EM
22

Checking
Valve
Stem

Diameter

Insert

telescope
hole

gauge
in

valve

guide
bore

measuring
at
center

Subtract
the

highest
reading
of

valve
stem
diameter
from
valve

guide

bore
to
obtain
the
stem
to

guide

clearance

As

an

expedient
a
valve
is

pushed

in

valve

guide
and
moved
to
the

right

and
left
If
its

tip
deflects

beyond
the

specified
limit
there
it
will
be
known

that
the
clearance
between
stem
and

guide
exceeds
the
maximum
limit

Max
allowabl

deflection

0
2

mm
0
008
in

Max
tolerance

Stem
to

guide
clearance

0
1

mm
10
004
in

ote
Valve
sbould
be
moved
in

paraIlel
with
rocker
ann
General

ly
a

large
amount
of
wear
occurs
in

this
direction
Engine
Mechanical

Max
deflection
limit

Unit

mm
in

EM467

Mea6uring
Clearance

between
Valve
Stem

and
Valve
Guide
Fig
EM
23

Replacement
of
valve

julde

I
To
remove
old

guides
use
a
drift

and

a

pie
and
drive
them
out
of

rocker

cover
side
toward
combustion

chamber

Heating
cylinder
head
to
I

SO

to
200
C
302
to
392
F
will
facili

tate

operation

T11033000

EM468

1
II

Fig
EM

24

Driving
Valve
Guide
out

of

Cylinder
Head

2

Ream
cylinder
head
valve

guide

hole

using
Reamer
STlI081000

12
2

mrn
0
480
in

dia
at
room

tempera

ture

3

Carefully
press
service

Valve

guide

into

cylinder
head

guide
hole
It
will

fit

smoothly
after

heating
cylinder

head
to
ISO
to
200
302
to
392

F

4
Ream

bore
with
valve

guide
press

ed

in

using
Reamer
STll0320000
8

mm
0
31
in
dia

Reaming
bore

8
000

to
8
015

mm

0
3150
to
0
3156
in

EM
6
EM470

Fig
EM
25

Reaming
Valve
Guide

5

Correct
va1ve
seat
surface
with

new
valve

guide
as
the
axis

VALVE
SEAT

Check

valve
seat
for
evidence
of

pitting
at
valve

contact
surface

and

reface
or

replace
if
worn

excessively

Valve
seat
insert

of
0
5

mm
0
020

in
oversize

is
available
for
service

Refaclng
valve
seat

When
width
of
valve
seat
is

wide
or

narrow

beyond

specifications
it

should
be
refaced
with
valve
seat
with

cutter
or

grinding
stone

iIT11670000

EM411

Fig
EM
26

Refacing
Valve

Seat
with

Valve

Seat
Cutter

Replaclna
valve
seat
Insert

I

Old
insert
can
be

removed

by

boring
out
until
it

collapses
Machine

depth
stopper
should
be
set
So
that

boring
cannot
continue

beyond
the

bottom
face
of
the
insert
recess
in

cylinderhead

2
Machine

cylinder
head
recess
in

concentric
circles
to
valve

guide
center

so
that
insert
will
have
correct
fit

3
Ream

cylinder
head
recess
at

room

temperature

4
Heat

cylinder
head
to

tempera

ture
of
150
to
200

C
302
to
3920F

5

Fit
insert

ensuring
that
it

seats
on

bottom
face
of
its

recess

6

Newly
fitted
valve
seat
should
be

cut
or

ground
with
suitable
seat
cutter

or

grinding
stone

7

Apply
smalliunount
of
fine

grind

ing
compound
to
valve

contacting
face

and

put
valve
into

guide
Lap
valve

against
its
seat
ntil

proper
valve
seat

ing
is

obtained

Remove
valve
and
clean
valve
and

valve
seat

VALVE
ROCKER
ARM

1

AND
SHAFT

I

Check
rocker

arm
bore
and
shaft

for
scores
or
scuffs

2
Check
clearance

between
each

rocker
arm
and
shaft

by
measuring

inner
diameter
of

rocker
arm
bore
and

outer
diameter
of
shaft

If
either
clearance
is
not
within

spec
ification

replace
rocker
arm

and
or
shaft

3
Check
valve
end
contact
surface

of
rocker
arm
for
abnormal
wear
or

scuffs

VALVE
LIFTER
AND

PUSH

ROD

I
Check
valve
lifter
for

wear
or

scuffs
Check
bottom
end
of
valve

lifter
to
make
sure
it
has
a

slight

convex

Replace
valve
lifters
that
are

scored
worn
or
have
unsmooth
bot

tom

2
Check
clearance
between
lifter

hole
on

cylinder
block
and
valve
lifter

Replace
valve
lifter
if
clearance

ex

ceeds
wear
limit

3

Check

push
rod
for

bending
and

damage

Check
end
of

push
rod
for

rough

ness
or
excessive
wear

CAMSHAFT
AND

CAMSHAFT
BEARING

CAMSHAFT

BEARING

CLEARANCE

Journal
diameters
should
be
check

ed
with
a
micrometer
and

bearings

with
an
inside
dial

gauge
Measure

ments
should
then
be

compared
to
Engine
Mechanical

determine
whether

bearings
are
worn

If
worn

beyond
0
15

mm
0
0059
in

replace
using
Camshaft

Bearing
Drift

STl6Il0000
In

press
fitting
a
new

bearing
make
certain
that

oil
holes
in

block
and

bearing
are

properly
aligned

EM474

Fig
EM
27

Measuring
Camshaft

Bearing
Inner

Diameter

CAUTION

a

After

replacing
all

bearings
finish

bearing
inner
diameters

by
line
bor

ing

b
I
nstall
welch

plug
into

cylinder

block

applying
sealant

EM475

Fig
EM
28

Replacing
Cam
haft

Bearings

CAMSHAFT
ALIGNMENT

I

Check
camshaft
camshaft

journal

and
earn
surface
for

bending
wear
or

damage
If
fault
is

beyond
limits

replace
affected

parts

2
A

bend
value
is
one

half
of
the

reading
obtained
when
camshaft
is

turned

one
full
revolution
with
a
dial

gauge
applied
to
the
cen
ter

journal

Camshaft
bend

Total
indicator

reading

Less
than

0
10

mm
0

0039
in

EM
7
s

EM476

Fig
EM
29

Checking
Cam

haft
Bend

3

Camshaft
end

play
can
be
check

ed

by
installing
camshaft
camshaft

locating
plate
and
camshaft

sprocket

in

thier

respective
p
sitions

End

play

can
then
be

checked
with
a

dial

guage

or

feeler

gauge
If
end

play
exceeds
the

specified
limit

replace
locating
plate

Max

tolerance
of
camshaft

end

pley

0
10
mm
0

0039
in

EM477

Fig
EM
3D

Checking
Cam

haft
End

Play

VALVE
TIMING

This

diagram
applies
to
all

cyl

inders

If

any
valve
is
found

beyond

specifications
one

possibility
is

that

earn
lobe
is

worJ
1
or

damaged
exces

sively
calling
for

replacement
of
cam

shaft

CYLINDER
BLOCK

I

Visually
check

cylinder
block

for

cracks
or

flaws

2

Measure

top
of

cylinder
block

cylinder
head

mating
face
for

warp

age
If

warpage
exceeds
limits
correct

it

Warpage
of
cylinder
block

surface

Less
than

0
10
mm
0

0039
in