wheel size DATSUN 210 1979 Service Manual

Page 48 of 548


EM142

Fig
EM
48

Measuring
Bearing

Clearance

6
If
clearance
exceeds
the

specified

value

replase
bearing
with
an
under

size

bearing
and

grind
crankshaft

journal
adequately

Max
tolerance
of
main

bearing
clearance

0
10

mm
0
0039
in

MEASURING

CONNECTING

ROD
BEARING

CLEARANCE

I
Measure

connecting
rod

bearing

clearance
in
same
manner
as
above

tfl
Tightening
torque

Connecting
rod

cap
nuts

3
2
to
3
8

kg
m

23
to
27
fHb

2
If

clearance
exceeds
the

specified

value

replace
bearing

with
an
under

size

bearing
and

grind
the
crankshaft

journal
adequately

Max
tolerance
of

connecting

rod

bearing
clearance

0
10

mm
0
0039
in

Note
Since

bearings
are

precision

insert

type
it
is
not

necessary
to

file

bearing
caps
or
to

grindbeari

surfaces
with
an

emery
cloth
to

correct

bearing
clearance

MISCELLANEOUS

COMPONENTS

CRANKSHAFT
SPROCKET

AND

CAMSHAFT
SPROCKET

I

Check
tooth
surface
for
flaws
or

wear

Replace
sprocket
if
fault
is
Engine
Mechanical

found

2

Install
camshaft

sprocket
in

posi

tion

and
check
for
runout

If
runout
exceeds
the

specified

limit

replace
camshaft

sprocket

Runout

Total
indicator

reading

Less
than
0

1
mm
0
004

in

EM309

Fig
EM
49

Checking
Cam

haft

Sprocket
Runout

CHAIN
AND

CHAIN

TENSIONER

I

Check
chain
for

stepped
wear

scratches
or
other

problems
on

roller

links

Replace
if

necessary

2
Check
chain
tensioner
for
wear

breakage
or

any
other
fault
which

would

interfere
with

proper
chain

function

Replace
if

necessary

FLYWHEEL

I

Check

ring
gear
If
worn
or
dam

aged
excessively
replace

2

Clutch

contacting
face
of

fly

wheel

should
be
smooth
If

worn

damaged
or

roughened
beyond
limits

repair
or

replace

3
Before

disassembling
and
after

re

assembling
check

flywheel
run
out

with
a

dial

gauge
This
check
is

made

by
rotating
flywheel
with
dial

gauge

finger
resting
on
the
farthest

point

from
center
of

flywheel
If
it

exceeds

the

specified
limit

replace
it

EM
II
Runout

Total
indicator

reading

Less

then

0
15
mm
0
0059
in

Fig
EM
50
Checking
Flywheel
Runout

Note
Removal
and
installation
of

ring

gear
requires
use
of

hydraulic

press
It
is

also
necessary
to
heat

ring

gear
to
180
to
2000C
356

to

3920F
thus
facilitating
removal

and
installation
Do
not
heat

ring

gear
to
more
than
3000C
5nOF

To
do
so
could
result
in

impaired

hardness
of

ring

gear

CRANKSHAFT

FRONT
AND

REAR
OIL

SEAL

First
check
front
and
rear
oil

seals

for
worn
or
folded
over

sealing
lip
or

oil

leakage
If

necessary
replace
with
a

new
seal
When

installing
a
new
seal

pay
attention

to

mounting
direction

Note
It
is

good
practice
to

renew
oil

seal
whenever

engine
is
overhauled

Front

u
Front

Rear

EM487

Fig
EM

51
Cranhhaft
Oil
Seal

Page 66 of 548


Engine
Mechanical

Main

bearing
undersize

Unit

mm
in

Main

bearing
undersi
ze
Crank

journal
diameter

Standard
size
49
943
to
49

964

1

9663
to
1

9671

0
25
0
0098
49701
to
49
714

1
9567
to
1
9572

Undersize
0
50
0
0197
49451
to
49

464

1

9469
to
1

9474

0
75
0
0295
49
201

to
49
214

1

9370
to
1
9376

Connecting
rod

bearing
undersize

Unit

mm
in

Connecting
rod

bearing
undersize
Crank

pin
diameter

Standard
size
44
954
to

44
974

1
7698
to
I

7706

0
08
0
0031
44
881
to
44
894

1
7670
to
1

7675

0
25
0
0098
44
711

to
44

724

1
7603
to

1
7608

Undersize

0
50
0
0197
44
461

to
44
474

1
7504
to
1

7509

0
75
0

0295
44
211
to
44

224

1
7406
to
I
7411

MISCELLANEOUS
COMPONENTS

Unit
mm
in

Max

tolerance

Runout
of
camshaft
0
1
0
004

0
15
0
0059

Runout
of

flywheel

EM

29

Page 381 of 548


Wheel
and
Tire

SERVICE
DATA
AND
SPECIFICATIONS

GENERAL

SPECIFICATIONS

WHEEL
AND
TIRE

Road
wheel
size
Applied
m
del

Remarks

Sedan
Hatchback
Wagon

4
OJ
13
Steel
wheel

30

mm

I
I
8
in
offset

5J
13
Aluminum
wheel

25

mm
0

98
in
offset

155
13
6
1
5
13
4PR
155
13
6
1
5
13
4PR
Tubeless
Bias

l55SRl3

l75
70SR13
155SRl3

Tubeless
Radial

l75
70SR13
l75
70SR13
Tire
size

INSPECTION
AND
ADJUSTMENT

Wheel
balance

Maxilnum
allowable
unbalance
at

riln

flange

Tire

balancing
weight
gr
oz

gr
oz
10
0
35

10
to
60
0
35
to
2
12

Spacing
10
0
35

Wheel
riln

lateral
and
radial
runout

Steel
wheel
mm
in

Aluminum
wheel
mm
in

Difference
between

right
and

left

lateral
runout

Steel
wheel

Aluminum
wheel
Less
than
1
2
0

047

Less
than
0
5
0

020

mm
in

mm
in
Less

than
0
5
0
020

Less
than
0
2

0
008

WT5

Page 382 of 548


Wheel
and
Tire

Recommended
tire
inflation

pressure

kg
em
psi

Sedan
Hatchback
and

Wagon

Tire
size
Car

speed

rife

l

o

tio

l
For
normal

speed
For

high
speed

Under
100
km
h
60
MPH

Over
100
km
h

60
MPH

Front
Rear
Front

Rear

I

7
24
1

7
24

1
7
24
1
7
24

01
8

26

01
8
26

17
24

1
7
24
1
7
24
17
24
155
13
6
15
13

4PR

155SRl3

175
70SRI

o

Wagon
only

Note
Inflation

pressure
should
be

measured
when
tires
are
cold

TIGHTENING

TORQUE

Wheel
nut

Steel

and
aluminum
wheels

kg
m
ft
lb

8
0
to
10
0

58
to

72

WT
6