torque DATSUN 210 1979 Owners Manual

Automatic
Transmission

TROUBLE
SHOOTING
GUIDE
FOR
3N71B

AUTOMATIC
TRANSMISSION

Ordel
Test
item

Checking
Oil
level

gauge

j
Downshift
solenoid

3
Manual

linkage

4

Inhibitor
switch

5

Engine
idling
rpm

6
Vacuum

pressure
of
vacuum

pipe

7

Operation
in
each

range

g

Creep
of

vehicle

Stall
test
1
Oil

pressure
before
t
sting

2
Stall
test

3

Oil

pressure
after

teSling

Road
test
L

Slow
acceleration

Ist
2nd

2nd
3rd

2

Quick
acceleration

Ist
2nd

2nd
3rd

3
Kick
down

operation

3rd
2nd
or
2nd
1st
Procedure

Check

gauge
for
oil
level
and

leakage
before
and
after
each

test

Check
for
sound
of

operating
solenoid
when

depressing

accelerator

pedal
fully
with

ignition
key
ON

Check

by
shifting
into

P
R
N
0
2
and

ranges
with
selector
lever

Check
whether
starter

operates
in
N
and
p

ranges
only

and
whether
reverse
lamp
operates
in
R

range
only

Check
whether

idling
rpm
meet
slandard

Check
whether
vacuum

pressure
is
more
than
450

mmHg

17

72

inHg
in

idling
and
whether
it

decreases
with

increasing
rpm

Check
whether
transmission

engages
positively
by

shifting

N

0
N

2
N
to
I

and
N
R

range

while

idling
with

brake

applied

Check
whether
there
is

any
creep
in

0
2

and

R

ranges

Measure
line

pressures
in
D
2
I
and
R

range
while

idling

Measure

engine
rpm
and
line

pressure
in
0
2
t

and

R

ranges
during
full
throttle

operation

Note

Temperature
of

torque
con
erter
oil
used
in

test

should
be
from
6

to
lOO

C
140
to
2120F

i
e
suf

ficiently
1

up
but
not

o
heeted

CAUTION

To
cool
oil
between
IIch
mil

test
for
OH
ZH
1
H

Ind

RH

nnges
idle

engine
i
e

rpm
It
Ibout

1
200

rpm
for

more
thin
1
minutll
in

P

nnge
MeeRlr
ment
time

mUlt

not
be
more
then
5

seconds

Same
as
item
1

Check
vehicle

speeds
and

engine
rpm
in

shifting
up
1

st

2nd

range
and
2nd
3rd

range
while

running
with
lever
in

D

range
and

engine
vacuum

pressure
of
about

200

mmHg

7
87

inHg

Same
as
item

1
above

except
with

engine
vacuum

pressure
of

o

mrnHg
0

inHg
i
e
in

position
just
before
kickdown

Check
whether

the
kickdown

operates
and
measure
the
time

delays
while

running
at
30
40

50
60
70
km
h

19
25
31

37
43

MPH
in

OJ
range

AT
49

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

DATSUN

2JO
Model
83
J

0
Series

SECTIONPD

PROPELLER
SHAFT

DIFFERENTIAL
CARRIER

CONTENTS

PROPELLER
SHAFT

INSPECTION

GENERAL
INSPECTION

PROPEllER
SHAFT
VIBRATION

REMOVAL
AND
INSTAllATION

REMOVAL

INSTAllATION

DIFFERENTIAL
CARRIER

REMOVAL

PRE
DISASSEMBl
Y
INSPECTION

DISASSEMBLY

FINAL
DRIVE
ASSEMBLY

DIFFERENTIAL
CASE

INSPECTION

ASSEMBl
Y
AND

ADJUSTMENT

PRECAUTIONS
IN
REASSEMBLY

ASSEMBLY
OF
DIFFERENTIAL
CASE

ADJUSTMENT
OF
DRIVE
PINION

HEIGHT

ADJUSTMENT
OF
DRIVE
PINION

PRELOAD
PD
2

PD
2

PD
2

PD
2

PD
2

PD
2

PD
2

PD
3

PD
3

PD
3

PD
4

PD
4

PD
4

PD
4

PD
5

PD
5

PD
5

PD
6

PD
6
AQJUSTMENT
OF
SIDE
BEARING

SHIMS

INSTAllATION

REPLACEMENT

OF
FRONT
Oil
SEAL

SERVICE
DATA
AND

SPECIFICATIONS

PROPEllER

SHAFT

GENERAL
SPECIFICATIONS

SERVICE
DATA

TIGHTENING
TORQUE

DIFFERENTIAL
CARRIER

GENERAL

SPECIFICATIONS

SERVICE

DATA

TIGHTENING
TORQUE

TROUBLE

DIAGNOSES
AND

CORRECTIONS

PROPEllER
SHAFT

DIFFERENTIAL
CARRIER

SPECIAL
SERVICE
TOOLS
PD

7

PD
9

PD
9

PD
lO

PD
lO

PD
lO

PD
lO

PD
lO

PD
l0

PD
lO

PD
ll

PD
ll

PD
12

PD
12

PD
13

PD
15

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
Differential
Carrier

DIFFERENTIAL
CARRIER

fQ

@

1

11
Thrust
washer

12

Ring
gear

13
Differential
case

14
Lock
strap

15
Drive

pinion

16
Pinion
height
adjusting
washer

17
Pinion
rear

bearing

18

Collapsible
spacer

19
Side

bearing
cap

20
Gear
carrier
1

Companion
flange

2
Oil
seal

3
Pinion
front

bearing

4
Sidebearing

5
Side

bearing
adjusting
shim

6
Thrust
walher

1
Side

gear

8

Lock

pin

9
Pinion
mate
shaft

10
Pinion
mate
Tightening
torque
kg
rn

ft
lb

@
14
to
30

101
to

211

@
6
0101
0
43
to
51

@
5
0
to
5
0
36
to
43

@
1

6
to
2
4

12
to
11

PD446

Fig
PD

3
Differential
Carrier

2

Visuany
inspect
parts
for
wear

of

damage

3

Rotate

gears
to
see
that
there
is

any

roughness
which

would
indicate

damaged

bearings
or

chipped
gears

Check
the

gear
teeth
for

scoring
or

signs
of
abnonnal

wear
Measure

pre

load
of
drive

pinion

4

Set

up
a
dial
indicator
and
check

the
backlash
at
several

points
around

ring

gear
Backlash
should
be

specified

value

Ring
gear
to
drive

pinion
backlash

0
10

to
0
15

mm

0

0039
to
0

0059
inl
spected
before

any

parts
are
removed

from
it

These

inspections
are

helpful
in

fmding
the
cause
of
a

problem
and
in

detennining
the

corrections
needed

Mount
carrier
on
Differential

Carrier
Attachment
ST06320000
REMOVAL

I

Jack

up
rear
of

car
and

sup

port
it

by

placing
a

safety
stand
under

rear
axle

case
Drain

gear
oil

2
Remove

propener
shaft
and
rear

axle
shafts

These
works
can
be
done

by

referring
to
Rear

Axle
and
Rear

Suspensionu

3
Loosen
off
bolts

securing
differ

ell
tial
carrier

to
rear
axle
ca
se
and

take
out
differential

gear
carrier

as

sembly

PRE

DISASSEMBI
Y

INSPE
CTION

Differential
carrier
should
be
in
5

Check
the

gear
tooth
contact

with
a
mixture

of
recommended

Fig
PD
4

Holding
Differential
Carrier

PD

3

they
are
worn

damaged
or
otherwise

faulty
and
how

they
are
affected
Re

pair
or

replace
all

faulty

parts
which

ever
is

necessary

1
Check

gear
teeth

for

scoring

cracking
or

chipping
and
make
sure

that

tooth
contact

pattern
indicates

correct

meshing
depth
If

any
fault

is
evident

replace

parts
as

required

Note
Drive

pinion
and

ring
gear
are

supplied
for

replacement
as
a

set

therefore
should
either

part
be

damaged

replece
as
a
set

2
Check

pinion
shaft
and

pinion

mates
for
scores
and

signs
of
wear

and

replace
as

required

F
oUow
the
same

procedure
for
side

gear
and
their
seats
on
differential

case

3

Inspect
all

bearing
races
and
roU

ers
for

scoring
chipping
or
evidence
of

excessive
wear

They
should
be
in

tiptop
condition
such
as
not
worn
and

with
mirror

like
surfaces

Replace
if

there
is
a

shadow
of

doubt
on
their

efficiency
as
an

incorrect

bearing
op

eration

may
result
in
noises
and

gear

seizure

4

Inspect
thrust
washer
faces
SmaU

faults
can
be

corrected
with

sand

paper
If

pinion
mate
to
de

gear

backlash
exceeds

specified
value
re

place
thrust

washers

Pinion

mate
to
side

gear
backlash

0
10
to
0
20
mm

0
0039
to
0
0079
in

5

Inspect
gear
carrier
and
differ

ential
case
for
cracks
or
distortion
If

either

condition
is
evident

replace

Jaulty

parts

6
As
a

general
rule
oil
seal
should

be

replaced
at
each

disassembly

ASSEMBLY
AND

ADJUSTMENT

Assembly
can
be
done
in
the

reverse
order
of

disassembly
The

foUowing
directions
for

adjustment

and

usage
of

special
tools
enable
to

obtain
a

perfect
differential

operation
Propeller
Shaft
Differential
Carrier

PRECAUTIONS
IN

REASSEMBLY

I

Arrange
shims
washers
and

the

like
to
install
them

correctly

2

Thoroughly
clean
the

surfaces
on

which
shims

washers

bearings
and

bearing
caps
are
installed

3

Apply
gear
oil
when

installing

bearings

4

Pack

grease
cavity
between

lips

when

fitting
oil
seal

ASSEMBLY
OF

DIFFERENTIAL
CASE

1

Assemble

pinion
mates
side

gears

and
thrust
washers
in
differential
case

2
Fit

pinion
shaft
to
differential

case

so
that
it

meets
lock

pin
hole

3

Adjust
pinion
mate

to
ide

gear

backlash
or
the
clearance
between
the

rear
face
of
side

gear
and

thrust

washer
to
the

specified
value

by

selecting
side

gear
thrust
washer

Pinion
mate
to
side

gear
backlash

0
10
to
0
20

mm

10
0039
to
0
0079
in

PD023

Fig
PD

l1
Measuring
Clearance

Side

gear
thrust

washer

Thickness
mm
in

0
785
0
0309

0
835
0

0329

0

885
0
0348

4

Lock

pinion
shaft
lock

pin
using
a

punch
after
it
is

secured
into

place

5

Apply
oil

to

gear
tooth
surfaces

and
thrust
surfaces
and
check
if

they

turn

properly

6

Place

ring

gear
on
differential
case

and
install
bolts
and
lock

straps
Tor

que
bolts
to

specification
and
bend

up

lock

straps

PO
5
tiJ
Tightening
torque

Ring
gear
bolt

6
0
to
7
0

kg
m

43
to
51
ft
Ib

CAUTION

e
Use

only
genuine
ring
gear
bolts

end
new
lock

straps

b

Tighten
bolts
in
criss
crilss
fashion

lightly

tapping
around
bolt
heads

with
a
hammer

7

When

replacing
side

bearing

measure

bearing
width

using
Side
Bear

ing
Adjust
Weight
ST3250S000

Weight
mock
ST3250
I

000
and

Master

Gauge
ST325020oo
or
suit

able

standard

gauge
17
5
nun
0
689

in

thickness
and

a

weight
block
2
5

kg
5
5
Ib

prior
to
installation

Standald

bearing
width

17
5
mm
10
689
in

y

ST32501000

8
Select
side

bearing
shims
re

ferring
to

Adjustment
of
Side

Bearing

Shims

9
Press
fit
side

bearing
cone
into

differential
case

using
Gear
Carrier

Side

Bearing
Drift
ST33220oo0
and

Adapter
ST33052000

w

I
ST33220000

PD244
1000

ST33052000

Fig
PD
13

lnatalling
Side

Bearing

Cone

drive

pinion
arid

lubricate

pinion
rear

bearing
with

gear
oil

4
Insert

companion
flange
into
oil

seal
and
hold
it

firmly
against
pinion

front
bearing
cone
From
the

rear
of

the

gear
carrier
insert

drive

pinion

into

companion
flange

5
Ascertain
that

threaded

portion

of
drive

pinion
and
new

drive

p
ion

nut
are
free
from
oil
or

grease

6

Holding

companion
flange
with

Drive
Pinion

Flange
Wrench

STJ1530000

tighten
nut
and
then

pull
drive

pinion
into

front

bearing

cone
and
into

flange

As
drive

pinion
is

pulled
into
front

bearing
cone
drive

pinion
end

play
is

reduced
While
there
is

still
end

play
in

drive

pinion
companion
flange
and

cone
will
be
fell

to
bottom
out
This

indicates
that

bearing
cone
and
com

panion
flange
have
bottomed
on

col

lap
ible

spacer

From
this

point
a

much
greater

torque
must
be

applied
to
turn

pinion

nut
since

spacer
must
be

collapsed

Also
from
this

point
nut

hould
be

tightened
very
slowly
and
drive

pinion

end

play
checked
often
0
that

pinion

bearing
preload
does

not
exceed
the

limits

When

the
drive

pinion
end

play
has

been
eliminated
the

specified
preload

i

being
approached

CAUTION

00
not
decrease

preload
by
loosen

ing
pinion
nut
This
will
remove

compression
between

pinion
front

end
rear

bearing
cones
and

collapsibla

spacer
and

may
permit
front
bear

ing
cone
to
turn
on
drive

pinion

Moreover
nut
becomes
loose

7
Turn
drive

pinion
in

both
direc

lions
several
times

to
set

bearing

rollers

Then

adjust
bearing
preload
to

specification
using
Preload

Gauge

STJ127S000

iil
Tightening
tOlque

Pinion
nut

14
to

30

kg
m

101
to
217
ft
lb

D

iY8

pinion
preload

with

oil
seal

6
0
to
8
0

kg
cm

5
2

to
6
9
in
Ib
Propeller
Shaft
Differential
Carrier

P0447

Fig
PD

17

Measuring
Pinion

Preload

If
this

specification
is

exceeded

replace
collapsible
spacer

Note
Preload
of
used

bearing
is
the

same
value
as

that
of
new

bearing

ADJUSTMENT

OF
SIDE

BEARING
SHIMS

I

If

hypoid

gear
set

gear
carrier

differential
case
or

side

bearing
ha

been

replaced
adjust
the
ide

bearing

preload
with

adjusting
him

The

required
thickness
of

adjusting

shim
can
be
calculated

by
the

follow

ing
formulas

T
A

C
D
H

xO
OI

020
E

T2
B
D
H
xO
Ol
0

20

F

Where

T

Required
thickness
of
left

side

bearing

adjusting
shim

mm

T

2
Required
thickness
of

right

side

bearing
adjusting
shim

mm

A

Figure
marked
on
the
left

side

bearing

housing
of

gear

carrier

B

Figure
marked

on
the

right

side

bearing
housing
of

gear

carrier

C

D

Figures
marked
on
the
dif

ferential
case

E
F

These
are
differences
in

width

of
left

or

right
side

bearing

against
the
tandard
width

mm

H

Figure
marked
on
the

ring

gear

PD
7
Figures
for
A
B
C
D
and
H
are

dimensional
variations
in
units

of

1
100
mm

against
each
standard

measurement

F

MarkS

MarkC
D

L

P0214

Fig
PD
18

Thickness

of
Shim
on

Left
and

Right
Sides

PD190

Fig
PD
19
Variation
Number
on

Ring
Gear

Examples
of
calculation

EX
1

A
I
B

2
C
2
D
3

E
0
02

mm
F
0
01
mm

H
2

Left
side

T
A

C
D
H
xO

OI

0
20
E

I
2
3
2
x

0
01

0
20
0
02
0
26

rnm

The
correct

shims
are
0
05

plus

three

pieces
of
0
07
mm
thick

Right
side

T2
B

D
W
xO
QI

0
20
F

2
3
2
x

0
01

0
20
0
01
0
16

mm

The
correct

shims
are
0
10

plus

0
07
mm
thick