1979 DATSUN 210 service

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

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

Note
If

cylinder
bore
has
worn

beyond
the
wear
limit
use

cylinder

liner

Undersize

cylinder
liners
are
avail

able
for
service

Interference
fit
of
cylinder
liner
in

cylinder
block
ahould
be
0
08
to

0
09
mm
0
003
I
to
0
0035
in

PISTON
PISTON
PIN

AND
PISTON
RING

I
Remove
carbon
from

piston
and

ring
grooves
with
a

carbon

scraper
and

a

curved
steel
wire

The
wire
will
be

useful
in

cleaning
bottom
land

of

ring

groove
Clean
out
oil
slots
in
bottom

land
of
oil

ring
groove

2

Check
for

damage
scratches
and

wear

Replace
if
fault
is
detected

3
Measure

side
clearance
of

rings
in

ring
grooves
as
each

ring
is
installed

If
side
clearance
exceeds
the

speci

fied
limit

replace

piston
together
with

piston
ring

Max
tolerance
of

side

clearance

0
1

mm
0
0039
in
Engine
Mechanical

u

EM482

Fig
EM
38

Measuring
Ring
Gap

Note

a
When

piston
ring
only
is
to
be

replaced
without

cylinder
bore
be

ing
corrected
measure
the

gap
at

the
bottom

of

cylinder
where
the

wear
is
minor

b

Oversize

piston
rings
are
available

for
service
0
5
mm
0
020
in
1

0

mm
0
039
in
oversize

5

Measure

piston
pin
hole
in
rela

tion
to
the

outer
diameter
of

pin
If

wear

exceeds
limit

replace
piston
pin

together
with

piston
on
which
it
is

installed

Piston

pin
to

piston
clearance

O
OOS
to
0
012
mm

0

0003
to
0
0005
in

Note

Determine
the

fitting
of

piston

pin
into

piston
pin
hole

to
such
an

extent
that
it
can
be

pressed

smoothly

by
fmger
at
room
tem

perature
This

piston
pin
must
be
a

tight
press
fit
into

connecting
rod

EM481

Fig
EM
37
Me

suring
Piston

Ring

Side
Clearance

4

Measure

ring
gap
with
a
feeler

gauge
placing
ring

squarely
in

cyl

inder

Ring
should
be

placed
to
diameter

at

upper
or
lower

limit
of

ring
travel

If

ring

gap
exceeds
the

specified

limit

replace
ring

Max
tolerance
of

ring

gap

1
0
mm
0
039
in
EM131

Fig
EM
39
Piston
Pin

Fitting

CONNECTING
ROD

1
If
a

connecting
rod
has

any
flaw

on
either
side
of

thrust
face
and

large

end
correct
or

replace
it

Bend
and
torsion

per
100
mm
3

94
in

length

Less
than

0
05
mm
0
0020
in

EM

9
EM133

Fig
EM

40
Checking
Rod

Alignment

2
Check

connecting
rod

for
bend
or

torsion

using
a

connecting
rod

aligner

If
bend

or
torsion

exceeds
limit
cor

rect

or

replace

3
When

replacing
connecting
rod

select
rod

so

weight
difference
be

tween
new
and
old
ones
is
within
5

gr

0
180z

4
Install

connecting
rods
with
bear

iogs
on
to

corresponding
crank

pins

and
measure

thrust
clearance
If
meas

ured

value
exceeds
limit

replace
con

necting
rod

Max
tolerance
of

big
end

play

0
4
mm
0
016
in

l
Big
end

play

l

t

t

EM483

Fig
EM
41
Checking
Big
End

Pwy

CRANKSHAFT

I

Repair
or

replace
as

required
If

faults
are
minor

correct
with

fine

crocus
cloth

2
Check
with
a
micrometer

journals

and
crank

pins
for

taper
and
out
of

round
Measurement
should
be
taken

along

journals
for

taper
and

around

journals
for
out
of

round

If
out
of
round

or

taper
exceeds

the

specified
limit

replace
or

repair

Out
of
ound
X
Y

Less
than
0
03

mm
10
0012
in

Taper
A
B

Less
than
0
03
mm

0
0012
in

Out
of
round
X
Y

Taper
A
B

B

o

r

EM716

Fig
EM
42
Mea6Urement
Point

3
After

regrinding
crankshaft
fmish

it

t
1
t
1e
necessary

s
ize
indicated
in

the

chart
under
Service
Data

and

Specifi

cations

by
using

Ill
adequate
u
dersize

bearing
according
to
the
extent
of

required
repair

4
Crankshaft
can
be
checked
for

bend

by
placing
it

on
V

blocks
and

using
a
dial

gauge
with
its

indicating

finger
resting
on
center

journal

If
bend
exceeds
the

specified
limit

replace
or

repair

Bned
Total

indicator

reading

Less
than
0

10

mm
0

0039
in

EM137

Fig
EM
43

Checking
Crankshaft

Bend

5

Measure

crankshaft
end

play
as

shown
in

Fig
EM
44
If

beyond
the

specified
limit

replace
main

bearing

Max

tolerance
of
end

play

0
3

mm
10
012

in
Engil
e

Mechllpjcal

Crsnk5haf
end

play

EM486

Fig
EM
44

Checking
Crankshaft
End

Play

6
To

replace
crankshaft
rear

pilot

bushing
proceed
as
follows

1
Pull
out

bushing
using
Pilot

Bushing
Puller
KvloI02800

Fig
EM
45

Pulling
Out
Pilot

Bushing

2

Before

installing
a
new

bushing

thoroughly
clean

bushing
hole

3

Insert

pilot

bushing
until
dis

tance
between

flange
end
and

pilot

bushing
is
the

specified

diJ1l
nce
A

Distance
A

Approximetely

2
8
mm
0

110
in

Do
not
oil

bushing

A

Pilot

bushing

EM719

Fig
EM
46

Installing
Pilot

Bushing

Note
When

installing

pilot
bushing

be
careful
not
to

damage
edge
of

EM

l0
pilot
C

snd
not
to

imat

1

1
1

BEARING

MEASURING
MAIN

BEARING
CLEARANCE

I

Thoroughly
clean
all

bearings

Check
for
scratches
melt
score
or

wear

Replace
bearings
if
fault
is

detected

2
Crankshaft

journals
and

bearings

should
be
clean
and
free
from
dust

and

dirt
before
oil
Clearance
is
meaSured

Plastigage

EM
141

Fig
EM
47

Plastigage

3
Set

main

b
e1lfing
on

cap
block

4
Cut
a

plastigage
to
width
of
bear

ing
and

place
it

in

parallel
with
crank

pin
clear
of
oil
hole
Install

cap
on

assembly
and

tighten
them

together
to

specified

torque

fj
Tightening
torque

Main

bearing
cop
bolt

5
0
to
6
0

kg
m

36

to
43
fHb

Note

Do
not
turn
crankshaft
while

plastigage
is

being
inserted

5

Remove

cap
and

compare
width

of

plastigage
at
widest

part
with
scale

printed
in

plastigage
envelope

Engin
Mechanical

SERVICE
DATA
AND
8PECIRCATION8

GENERAL
SPECIFICATIONS

Engine
model
AI5

Cylinder
arrangement
4

in
line

Displacement
cc
cu
in

1
397
85
24

I
488
90
80

Bore
and

Stroke
mm
in
76
0
x
77
0
76
0
x
82

0

2
992
x

3
031
2
992
x

3
228

Valve

arrangement
OR
V

Firing
order
I

3
4
2

Compression
2

Number
of

piston
rings

Oil

Number
of

main

bearings
5

Compression
ratio

California
and
FU
model

of
Non
California

Non
California

except
FU
model

and
Canada

EM

18
8
9

8
5

Engine
Mechanical

Valve
seat

Intake
valve
insert
service

Non
California
Unit
mm

in

California

9anada
FU

model

H
L

I

I
D

D

1
02

1
1

1
J

Ol
I

I

D

38
580
to
38
596
1
5189
to

1
5195

D2
31

9
to
32
1
1
256

to
1
264

D3
36
5
to

36
7

I
437
to
I
445

H
5
9
to

6
0
0

232
to

0
236

L
1
3
to
2
3
0

051
to

0
091

0
600

O2
200

Do
38

500
to
38
516
1

5157
to

1
5164
D2
EM772

38
580
to
38

596

1
5189

to
1
5195

31
9
to
32
1
1
256
to

1
264

35
5

to
35
7
1
398

to
I
406

5
8
to
5

9
0
228
to
0
232

1
3
to
2
3
0
051
to
0
091

600

200

38
500
to
38
516
1
5157

to
1
5164

Do
Cylinder
head
valve
insert
hole
diameter

Exhaust

valve
insert
service

D

D
D2

I
D2

I
I
H

H

I
I
l

I
C

Do

C

EM773

EM
21
Unit
mm
in

33

580
to
33
596

1
3220
to
1
3227

26
85

to
27
15

1
0571
to
1

0689

5
9

to
6
0
0

232
to

0
236

0
8
to
1
0

0
031
to
0
039

33
500
to
33

516
1

3189
to

1
3195