transmission DATSUN 210 1979 Service Manual

Automatic
Transmission

SERVICE
DATA
AND

SPECIFICATIONS

General
specificetions

Automatic
transmission
model
3N71B

2
0
I

Stall

torque
ratio

Transmission

gear
ratio

1st

2nd

Top

Reverse
2
458

1458

1

000

2

182

Oil
Automatic
transmission

fluid

Dexron

type

Oil

capacity
5
5liten
SUUS

qt
4Ulmp
qt

Approximately
2
7
liten
2UUS

qt

2

lmp
qt
in

torque
converter

Spec
lcetlona
end

edJuatment

Automatic
transmission

assembly

Model
code
number

Non
California
models
Sedan
and
Hatchback

Non
Califomia
models

Wagon

California
models
All
models
X0l61

X0165

X01l5

Torque
converter

assembly

Stamped
mark

on
the
TIC

Front

clutch

Number
of

drive

plates

Number
of
driven

plates

Clearance

Thickness
of

retaining
plate
l2
C

mm
in

mm
in
3

3

1
6
to
2
0
0
063
to
0
079

10
6
0
417

10
8
0
425

11
0

0
433

11
2
0
441

II
4
0
449

11
6
0
457

Rear
clutch

Number
of

drive

plates

Number
of

driven

plates

Clearance

Thickness
of

retaining
plate
nun

in

mm
in
3

3

0
8
to
1
6
0
031
to
0
063

8
35
0
3287

AT
51

Automatic
Transmission

Low
eve

se
br
ke

Number
of
drive

plates

N

wnbe
of
driven

plates

Clearance

Thickness
of

retaining
plate
ml11
in

mm
in
3
3

0
80
to
1
25
0
031
to
0

049

15
8
0
622

16
0
0
630

16

2
0
638

16
4

0
646

16

6
0
654

16
8
0

661

Brake
band

Piston
size

Big
dia

Small
dia
mm
in

60

236

40
1
57

Control
valve

assembly

Stamped
mark

on
strainer

Non
California
models
Sedan
and
Hatchback

LEA

California
models
All
models
and
Non
California
models

Wagon
LRJ

Governor

assembly

Stamped
mark
on

governor
body
35

Stall

revolution

AI4

engine

AI5

engine
rpm

1

900
t02
200

1

850
to
2

150

TI
htenln

torque

Drive

plate
to

crankshaft

AI4

AI5
kg
m
ft
lb

Drive

plate
to

torque
converter

Converter

housing
to

engine

Hexagon
bolts
with
washer

Hexagon
flange
head
bolts

Transmission
case
to
converter

housing

Oil

pan
to

transmission
cue

Servo

piston
retainer

to
transmission

case

Piston

stem
when

adjusting
band
brake

Piston
stem
lock
nut
8
0

to
9
0
58
to
65

8
5

to
9
5

61
to
69

4

0
to
5

0
29
to
36

2

0
to
2
5
14
to
18

1

6
to
2
2

I2to
16

4
5
to
5
5
33

to
40

0
5
to

0
7

3
6
to
5
1

0
5

to
0
7

3
6
to
5
1

1

2
to
1
5
9
to
11

1
5
to

4
0

II
to
29

1
3
to
1

8
9
to
13

0
55
to
0
75
4
0
to

5
4

0
25
to
035
1
8
to
2
5

0
25
to
0
35
1
8
to
2
5

0
5
to
0
7
3
6
to
5
1
One

way
clutch

inner
race
to
transmission

case

Control

valve

body
to

transmission
case

Lower
valve

body
to

upper
valve

body

Side

plate
to
control
valve

body

Nut
for
control
valve

reamer
bolt

AT
52

Automatic
Transmission

Oil
strainer

to
lower

valve

body

Governor
valve

body
to
oil
distributor

Oil

pump
housing
to

9il

pump
cover

Inhibitor
switch
to
transmission
case

Manual
shaft
lock
nut

Oil
cooler

pipe
to
transmission
case

Test

plug
oil

pressure
inspection
hole

Support
actuator

parking
rod

inserting
position
to

rear
extension

Turn
back
two

turns
after

tightening
0
3
to
0
4

0

5
100
7

0
6
100
8

0
5
to

0
7

3
0
10
4
0

3
0105
0

14102
1

0
810
I
I

SPECIAL
SERVICE
TOOLS

Kent
Moore

No

Tool
number

tool
name
Reference

page
or

Fig
No

ST07870000
Transmission
case
stand

ST07860000
J

25607

Fig
AT
26

ST25850000

Sliding
hammer
J
25721

Fig
AT
30

HT69860000

Snap
ring
remover

Fig
AT
33

AT
53
Tool
number

tool
name

GG930
I
0000

Torque
wrench

ST25420001
Clutch

spring
compressor

ST25420000

ST25320001

Snap
ring
remover
2

2
to
2
9

3
6

to
5

1

4
3

to
5
8

3
6
to
5
1

22
to
29

22
to
36

10
to

IS

5
8

to
g

O

Kent
Moore
No

Reference

page
or

Fig
No

J
25703

Fig
AT
43

J
26063

Fig
AT

53

Fig
AT
60

125710

Fig
AT
53

Fig
AT

60

Tool
number
tool

name

51
25570001
Hex
head
extension

5T25570000

5T2549oooo
50cket
extension

51
25512001

HT62350000

5pinner
handle

5T25160000

Torque
driver

L

Q
Automatic
Transmission

Kent
Moore

No

Reference

r
Tool
number

tool
name

J
25718
51
25580000
Oil

pump
assembling

gauge

Fig
AT
38

Fig
AT43

J
25713

Fig
AT43

Fig
AT
75

Fig
AT
78

Fig
AT
81

Fig
AT
82

AT
54
HT61000800

Hexagon
wrench

v

51
25055001
Oil

pressure
gauge
set
Kent
Moore

No

Reference

01

Fog
No

J
25719

Fig
AT

72

Fig
AT
75

Fig
AT
78

Fig
AT
8l

Fig
AT
82

25695

Fig
A
T
87

Rropeller
Shaft
Differential

Carrier

PROPELLER
SHAFT

INSPECTION

GENERAL
INSPECTION

I

Check

propeller
shaft
tube
sur

Cace
for
dents

or
cracks
If

damaged

replace
with
an

assembly

2
Check

journal
for

axial

play
If

there
is

play
replace
propeller
shaft

mbly

Note

JournaI
cannot
be
disassem

bled

PROPELLER
SHAFT

VIBRATION

To
check
and

correct
an
unbal

anced

propeller
shaCt

proceed
as
Col

lows

L
Remove

undercoating
and
other

foreign
material

which
could

upset

shaft
balance
and

check
shaft
vibra

tion

by
road
test

2
If
shaft
vibration
is
noted

during

road

test
disconnect

propeller
shaft

et

differential
carrier

companion
flange

rotate

companion

flange
180

degrees

and

reinstall

propeller
shaft
ff

3

Again
check

shaft
vibration
If

vibration
still

persists
replace

propel

ler
shaft

assembly

REMOVAL
AND

INSTALLATION

REMOVAL

I

Raise
car
on
hoist
Put
match

malks
both

on

propeller
shaft
and

companion

flange
so
that
shaft

can
be

reinstalled
in
its

original
position

2
Remove
bolts

connecting
pro

peller
shaft
to

companion

flange

PD459

Fig
PD
2

Removing

Propeller
Shaft

PD
2
Tightening
torque
kg
m
ft
b

@
2
410
3
3
1710

24

PD468

Fig
PD
l

PropellerSha
t

3

Draw
out

propeller
shall
sleeve

yoke
from
transmission

by

moving

shaft
realWard

passing
it
under
rear

axle

Plug
up
rear
end
of

rear
extension

housing
to

prevent
oil

leakage

Note
Remove

propeller
aheCt

care

Cully
so
as
not

to

demege
spline

sleeve

yoke
and
rear
oil
seal

INSTALLAnON

To

inS
aJI
reverse
the

foregoing

removal

prOCedure

CAUTION

Align

propeller
shift
with

com

penion

fllnge
of

differentiel
Clrrier

ulling
reference
marks

prl
1Cribed
in

Remova

procedure
and

tightsn

them
with
bolts

Failure
to
do

so

could
resuh
in

driving
vibration

fJ
Tightening
tOlquo

Propellol
sheft

to

companion

f1enge
bolts

2
4

to
3
3

kg
m

117
to
24
ft
b

Propeller
Shaft
Diffe

ntial

Carrier

SERVICE
DATA
AND

SPECIFICATIONS

PROPEL1
ER
SHAFT

GENERAL

SPECIRCATIONS

Model

A
T
M
T

Type

Length
rnrn
in
2856A

1

045
4Ll4

1
177

46
34

68

1
713
Outer

dil
lluJ
er
rnrn

jn

SERVICE

DATA

Permissible

dynamic
unbalance

gr
cm
oz
in

rnrn
in
Axial

play
of

spider

journal

TIGHTENING

TORQUE

Shaft
to

companion

flange
bollS

kg

fil
ft
lb

DIFFERENTIAL
CARRiER

GENERAL

SPECIFICATIONS

Type

Automatic
transmission

equipped
models

Manual
transmission

equipped
models

Gear

ratio
number
of
teeth

Automatic
transmission

equipped
models

Manual
transmission

equipped
models

Drive

pinion
preload

adjusted
by

PO

tO
35

0
49
5

800

rpm

0
0

2
4
to
3
3l17

to
24

HI50

HI50A

3

889
35
9

3
700
37
10

Collapsible
spacer

Propeller
Shaft

Differential
Carrier

TROUBLE
DIAGNOSES
AND
CORRECTIONS

PROPELLER
SHAFT

Condition

Vibration
during
at

medium
or

high

speed

Knocking
sound

during

starting
or
noise

during

coasting
on

propeller

shaft

Scraping
noise
Probable
cause

Unbalance
due
to

bent
or

dented

propeller

shafL

Loose

propeller
shaft
installation

Undercoating
or
mud
on
the
shaft

causing

unb
ance

Worn
transmission
rear

extension

bushing

Tire
unbalance

Balance

weights
missing

Worn
or

damaged
universal

joint

Worn
sleeve

yoke
and

meinshaft

spline

Loose

propeller
shaft
installation

Dust

cover
on
sleeve

yoke
rubbing
on

transmission
rear
extension
Dust
cover
on

companion
flange
rubbing
on

differential

carrier

PD

12
Corrective
action

Replace
propener
shaft

assembly

Retighten

Clean

up
shaft

Replace

Balance
wheel
and
tire

assembly

Replace

Replace
propeller
shaft

assembly

Replace
propeller
shaft

assembly

Retighten

Straighten
out
dust
cover
to
remove
inter

ference

Propeller
Shaft
Differential
Carrier

DIFFERENTIAL
CARRIER

When

a
differential
carrier
is

sus

pected
of

being
noisy
it
is
advisable

to
make

a
thorough
test
to
determine

whether
the
noise

originates
in

the
tires

road
surface
exhaust
universal

joint
propeller
shaft
wheel

bearings

engine
transmission
or
differential

carrier
Noise

which

originates
in

Condition

Noise
on
drive
coast

and
float

Noise

on
turn

Knocking
sound

during
starting
or

gear

shifting

Seizure
or

breakage
Probable
cause

Shortage
of
oil

Incorrect
tooth
contact
between

ring

gear

and
drive

pinion

Incorrect

ring
gear
to
drive

pinion
backlash

Seized
or

damaged
ring
gear
and

drive

pinion

Seized
damaged
or
broken
drive

pinion

bearing

Seized

damaged
or
broken
side

bearing

Loose

clamp
bolts

or
nuts

holding
ring
gear

side
retainers

bearing
cap
etc

Seized

damaged
or
broken
side
and

pinion

gear

Seized

damaged
or
broken
side

gear
and

pinion
thrust
washer

Pinion

gears
too

tight
on
their
shaft

Excessive
backlash

Incorrect
backlash

ring
gear
to
drive

pin

ion

or
side
ta

pinion
gear

Worn

gears
or
case

Worn
side

flange
or
rear
axle
shaft
and

side

gear
spline

Pinion

bearing
under

preload

Loose
drive

pinion
nut

Loose

clamp
bolts
or
nuts

holding
ring
gear

side
retainers

bearing
cap
etc

Shortage
of
oil
or
use
of
unsuitable
oil

Excessively
small
backlash

Incorrect

adjustment
of

bearings
or

gears

Severe
service

due
to
an
excessive

loading

improper
use
of
clutch

Loose
bolts
and
nuts
such
as

ring
gear
clamp

bolts

PD

13
other

places
cannot
be
corrected

by

adjustment
or

replacement
of

parts

in
the
rear
axle

assembly

orrective
action

Supply

gear
oil
Rebuild
differential
carrier

if

necessary

Adjust
tooth
contact
or

replace

hypoid
gear

set

Adjust
backlash
or

replace
hypoid
gear
set
if

necessary

Replace
hypoid
gear
set

Replace
pinion
bearing
and

damaged
parts

Replace
side

bearing
and

damaged

parts

Clamp
to

specified
torque
and

replace

damaged
parts

Replace
damaged

parts

Replace
damaged

parts

Replace
damaged
parts

Adjust
backlash

Replace
worn

parts

Replace
worn

parts

Adjust
preload

Repair
or

replace

Clamp
or

replace
if

necessary

Refill
or
use
correct
oil

Adjust
backlash
and

replace
as

required

Replace
worn
or

damaged

parts

Replace
damaged

parts

Tighten

Rear
Axle
Rear

Suspension

TROUBLE
DIAGNOSES
AND

CORRECTIONS

When
rear
axle
and

suspension
is

suspected
of

being
noisy
it
is

advis

able
to
make

thorough
test
to
deter

mine
whether
the
noise

originates

in
the

tir
s

roads
rfac
exhaust
propeller
shaft

engine
transmission

universal

joint
wheel

bearings
or

suspension

Noise
which

originates
in

other

places
cannot
be
corrected

by

adjust

Condition

Noise
unusual
sound

Instability
in

driving

This

problem
is

also

related
to
the
front

suspension
For

trouble

diagnosis
also
refer
to

the
FA
section

Oil

leakage
Probable
cause

Loose
wheel

nuts

One
or
more

securing
bolts
loose

Lack

oflubricating
oil

or

grease

Faulty
shock
absorber

Incorrect

adjustment
of
rear
axle
shaft
end

play

Damaged
or
worn
wheel

bearing

Worn

spline
portion
of
rear
axle

shaft

Breakage
of
leaf

spring

ose

journal
connections
etc

Unbalance
of
wheel
and
tire

Damage
of
the
rubber

parts
such
as
link

bU
hing

shock
absorber
moun

ting
bush

ing

Faulty
universal

joints

Breakage
of
coil

spring

Loose
wheel
nuts

Damaged
rear
link
rubber

bushings

Worn
shock
absorber

Incorrect
wheel

alignment

Spring
wear

Damaged
oil
seal
on
rear
axle
shaft

Oil

leakage
from

the
differential
carrier

Damaged

grease
seal
of
rear
axle
shaft

RA
l0
ment

or
replacement
of

parts
in

the

rear
axle

and
rear

suspension

In
case
of
oil
leak
first

check
if

there
is

any
damage
or
restriction
in

breather

Corrective
action

Tighten

Tighten
to

specified
torque

Lubricate

as

required

Replace

Adjust

Replace

Replace
if

necessary

Replace

Tighten
to

torque

Balance

Replace
damaged

parts

Adjust
or

replace

Replace

Tighten
to

specified
torque

Replace

Replace

Adjust

Replace

Replace

Replace
parts
as

required

Replace

Inspection

I
When

steering
wheel
can
not
be

rotated

smoothly
but

steering
gear

steering
linkage
and

suspension
system

are
normal
check
the

steering
system

for
the

following
matters

and

replace

faulty
parts

I
Check
column

bearings
for
dam

age
or
unevenness
If
so
lubricate
with

recommended
multi

purpose
grease
or

replace
with
a
new
one
as

steering

column
assembly

2
Check

jacket
tube
for
deforma

tion
or

breakage
and

replace
if
neces

sary

3
Check
column

spring
and
re

place
if

damaged
or

weakened

2
When
the

car
comes
into

light

collision
check

the
following
parts

and
replace
if

necessary

I
Jacket
tube

Measure
dimension
A
between

column

clamp
and

top
end
of
lower

jacket
tube

When

jacket
tube
is
crushed
dimen

sion
A
is
reduced

Column

length
A

191
mm
7
52
in

1
Jacket
tube

2
Column
clamp
ST669

Fig
ST
l1
Standard
Dimension
on

Collapsible
Column

2
Column

clamp

Measure
dimension
0
as
shown
in

Fig
ST
12

When

jacket
tube
is
crushed
dimen

sion
0
is

increased

Length
1J

Column
bracket

o

mm
0
in
Steering
System

r

1

Steering
wheel

side

1
Column

clamp

2
Block

ST679

Fig
ST

12
Standard
Dimension
B

3

Steering
wheel

Check

steering
wheel
for
axial

play

When

steering

jacket
shaft
is

crush

ed
axial

play
exists

j

Axial

direction

ST194

Fig
ST
13
mpecting
Steering
Wheel

for
Axial

Play

4
Sector
shaft

When

collision
occurs
abnormal

strength
is

applied
to

gear
arm
As
a

result
of
this
serration
of
sector
shaft

is

apt
to

be
distorted

1

Serration
of
sector

shaft

2
Gear
arm
ST195

Fig
ST

14
mpeeting
Serration

of

Sector
S

IuJft
for

Deformation

STEERING
GEAR

RB4SL

Removal

I

Remove
clutch

operating

cylinder

manual
transmission

equipped
models

only

Note

Do
not
remove
clutch
hose

from

8
cylinder

2
Remove
nuts

securing
front
tube

to
exhaust
manifold

ST
5
3
Remove
bolt

securing
V
bolt

housing
clamp
to

gusset
catalytic
con

verter

equipped
models

only

STa6l

Fig
ST
5
Clutch

Operating
Cylinder

and
Front
Tube

4

Remove
bolt

securing
front
tube

to
exhaust

mounting
bracket

1

Q
I

II
@

J
111111

ST862

Fig
ST

16
Exhau
t
Mounting
Bracktt

5

Remove
front
tube
from
exhaust

manifold

Note
Do

not
remove
front
exhaust

tube

assembly
from

catalytic
con

verter
or
muffler

assembly
Refer

to
Section
FE

ST863

Fig
ST
7
Removal

of
Front
Tube