DATSUN B110 1973 Service Repair Manual

7

CHASSIS

I
1

I
Reverse

gear
shift
fork
2

I
Reverse
idler

gear

Fig
TM
46

Installing
reVeTse
idler

gear

18
Install
the
3rd
4th
shift
fork
and
drive
the
shift

fork
retaining
pin
by
the
use
of
a

special
tool

ST23520000

t

1
f

1

1
t

t
A
t1

5

t

ii

r

Fig
TM
47

f

Jt

r

19
Remo
Al

tIJe
3dapter
plate
from
the
attachment
and

i
stall
in

m
t
j
t

mission
tase

I

1

Note
a
Be

su
to
install

selected

I
eviOusly
the
counter

bearing
shim

i
r

t

1
K

s

l
i
1t
p

Fig
TM
48

Installing
counter

bearing
shim

b
Remove
oil

apply
adhesive

on
the

joint
and

install
the

adapter
plate
on
the

transmission
case

c
When

installing
lightly
lap
with
a
wooden

mallet
and
be

sure
to
line

up
the
knock

pin
hole

Fig
TM
49

Installing
transmission
case

20

Coinciding
the

striking
le
Alr
install
the

rear
ex

tension

Note
3
Be
sure
to

remove
oil
and

apply
adhesive
on
the

surface

joined
with
the

adapter
plate

b

Tighten
the
installation
bolts

symmetrically
and

evenly
so
as
not
to

tighten
unevenly

TM
14

YO

TRANSMISSION

27

Upon
completion
of
the

reassembly
confIrm
that

Measure

depth
from

the
front

cover
installing

I
The
main

shaft
is

notJ
tiirned
synchronously
when

I

surface
to
end
surface
of
the
main

bearing
outer

gear
is

shifted
to
neutral
and
the
main

drive

gear
is
turned

race
by
the

use
of
vernier

caliper
depth
gauge
nd

light1y

select

shimlsl
from
those
shown
in
the
foIlOW

g

l

table
so
that
the

depth
is
5

g
15

mm
0
1
9

2

Operatin
r
e
is

not
excessive

d

gears
n

be

t

o
0059

in

i
shifted

smoothly
when

Ifjifted
to
the
mdlVldual

speeds

rt
6
1

1
itl
M

il

TM
15

If

tl
Fig
TM
50

Installing
rear
extension

21
Install
the
bushing
plunger
return

spring
and

return

spring
plug

Note
When

installing
apply
adhesive
to
the
return

spring

plug

t

l
4

0

fj

I

t

I
Plunger

2
Bush

I
31
Return

spnng

4
Return

spring
plug

Fig
TM
51

Installing
return

spring

22

23

24
Install
the

stopper
pin
and
E
rjng

Instal
e

speedometer
pinion

Select
main
drive

gear
bearing
shim
s

Note
Part
number

Thickness

mm
in

32208
18000

32208
18001

32208
18002
0
5
0

0197

0
2

0
0079

jeL

J
f
l
r

I
l

0

J

3

I
L

r
1

v

tti

t
4J

m

cv

Shim
thickness

t

5
00
mm
O

1969
n

2

3

J

ib

m

J

i
I

Shim
thickness

f

I

M
r

Fig
TM
52
Seiecti

g
main
drive
7

arbeari

g
s

j

I

25

Install
the
oil
seal

on
the
fronhcover
amtsecure
it

together
with
the

adjusting
shim

4f
J
ring
0

Note
Grease
the
oil
seal

lip

I

26

Install
the

ci
Itc
release
b

aring

luru
rring
and

withdrawal
lever
p

Main
d
ve

gear

Front
cover

Front
cover

adJhsting
shim

i

Ii

CHASSIS

REINSTALLATION

Remount
the
transmission
in

reverse

sequence
of

dismounting

TRANSMISSION

GEAR
CONTROL

CONTENTS

DESCRIPTION

COLUMN

SHIFT
CONTROL

SYSTEM

Removal
TM
16

TM
17

TM
17

DESCRIPTION

The
B
10

series
uses
three

types
of
transmission

control

system
Those

vehicles
mounted

with
three

forward

speed
transmission

use
column
shift
control

system
and

when

collapsible
steering
option
is

adopted

the
vehicle

uses

collapsible
control

system
Those
vehicles

mounted

with
four
forward

speed
transmission

use
direct

B
VIEW

CROSS
SHAFT

BRACKET

CROSS
SHAfT

C
VIEW

HANGE
LEVER

l
rwIl

CHANGE
LEVER

C

2

3rdl
r

X
h
Inspection
and

repair

Installation

Adjustment
TM
18

TM
18

TM
18

floor
shift
control

system
and
those

mounted
with

automatic
transmission

use
remote
control

floor
shift

system

The

collapsible
transmission
control

rod
is

used
to

gether
with
the

collapsible

steering
When

collision
occurs

delrin
mold
located

in
an
intermediate

position
of

the

control
rod
is

cut
off
the

control
rod

slides
toward

axial

direction
and

shock
is

absorbed

c

0

CONTROL
ROD

r

A
v

t

c

t

IT

Ii
A
VIEW

MANUAL
LEVER

II
l
MANUAl
lEVER

11st
r
lW1

11nd3rd

IIooV
j

II

1

0SI
2nd

Jrd

I
I

j

tl

Control

system
3

forward

speed
transmission

Ffg
TM
53

t

f

Voo

1
ITM
16

TRANSMISSION

COLUMN
SHIFT
CONTROL
SYSTEM

Removal

Remove
the

steering
wheel

assembly

Fig
TM
54
Rem01

ing
steering
wheel

2
Remove
the

steering
column
shell
cover
turn

signal

and

lighting
switch

completely

Fig
TM
55
Removing
steering
column
shell
cover
Fig
TM
56
Removing
turn

signal
and

lighting
switch

3
Remove
the

snap
ring
and
control
lever

pivot
pin

and
withdraw
the
hand
lever

A

A
V

l
Y

e

f
I
1

I

V

e

tl
f

r
4

2i
L

1

I
Snap
ring

2
Control
lever

pivot
pin

I
3

I
C
washer

Fig
TM
57
Withdrawing
hand
ever

4
Remove
the

C
washer

TM
17
i

MI
ig

r
M

5J
emOVing
change
lever

J
y

Ji

1

r

oJ

CHASSIS

5
Remove
the

speed
change
retainer
bolt

I

6
Remove
the

speed
change
retainer
2

7
Remove
the
2nd

top
change
lever
and
bush

13

from
the
control
rod
4

8
Lower
the
control
rod

so
that
the

control
lever

pin

comes
out
from
the
lower
bracket
5

and
withdraw
the

control
lever

pin

Note

low
the
control
rod
to
such

an
extent
that
the

con
b
ol
lever

pin
does
not
interfere
the
lower

bracket

9
Withdraw
the
control
rod
from
the

passenger
com

partment

10
Remove
the
cotter

pins
and
disconnect
the

speed

change
rods
Remove
the

cross
shaft
from
the
side

member
and
withdraw
the

cross
shaft

assembly

Fig
TM
59
Cross

shaft
assembly

Inspection
and

repair

Check
all

sliding
parts
and

component
parts
for
wear

and
other

damages
and

replace
as

required

Note

Especially
for

collapsible
type
control
rod
be

careful
not
to

apply
a

large
load
toward
the
axial

direction
when

delivering
and

installing

When
installing
the
control
rod
if
slackness
exists

toward
the
axial

direction
replace

S

i

TM
18

C

1
rr

i
Al
Installation

Install
the
control

system
in

reverse

sequence
of

removal
Before

installing
and

assembling
apply
chassis

grease
to
all

sliding
surfaces

Adjustment

I
Set
transmission

side
manual
lever
to
the

neutral

position

2

Temporarily
connect
the
trunion

on
the
lower

support
bracket
head
to
each
rod

3

Set
the
rod
on
the
lever

stationarily
so
that
the

grooves
for

adjustment
of
neutral

position
on

the

upper

surface
of
the
lower

support
bracket
and
each
lever

are

aligned
straight

t

I
Neutral

setting
groove

2
Lower

support
bracket

13
I
Shift
lever

Fig
TM
60

Adjustment
of
neutral

setting

4

Upon

completion
of
the
above

adjustment
operate

the
hand
lever
to
the
individual
select
and
shift
directions

and
make
sure
that
the
hand
lever

can
be

operated

smoothly
and

lightly

Readjust
if

dragging
slackness
and
or
other
unusual

conditions
exist

TRANSMISSION
f
fli

1
1

J

THREE
SPEED
TRANSMISSION

It

l
I
1
n
I

l

p
I

1P4

e

Fig
TM
61
R3W56

transmissiOn

J

l

l
T

Disassembly
and
maintenance
service
for
the
three

speed
transmission
are
to
be
conducted
in

the
manner

identical
to
the
four

speed
transmission

Except
for
the

following
items

the
three

speed

transmission
is

same
as
the
four

speed
transmission
INSPECTION

Gear
end

play
mm
in

Reverse

gear
0
05
to
0
20

0

0
020
to
0
0079

0
05
to
0
IS

Reverse

gear
counter
sha

n

0
0020
to

0
0059

I

I
Reverse

gear
main
shaft

l
0
10
to
0
25

0
0039
to
0
0098

TM
19
4iI1

1

J

CHASSIS

SERVICE
DATA
AND

SPECIFICATIONS

GENERAL
SPECIFICATIONS

Type

No
of

speeds

Synchromesh
type

Gear
ratio

1st

2nd

3rd

4th

Rev

Speedometer

gear
ratio

Sedan
and

Coupe

Van

Oil

capacity

TIGHTENING
TORQUE

Transmission

proper

Engine
transmission
intallation
bolt

Engine
mount
rear
installation
bolt
to
the

body

Speedometer
pinion
installation
bolt

Front

cover
installation

bolt

TM
20
R3W56
F4W56

3
forward
I

reverse
4

forward
I

reverse

Warner

type
Warner

type

3
380

3
757

1734
2
169

1
000
1404

1

000

3
640
3

640

17
5
17
5

18
5

18
5

1
2
L
2
1
2
U

S

pt

2
1
8

Imp
pt
1
2

L
2
1
2
U
S

pt

21
8

Imp
pt

kg
m
ft
Ib

1
6
to
2
2

11
6

to
15

9

3
2

to
4
0
23
1

to
28
9

0
5
to
1
1
3
6
to
8

0

1
0
to
1
6
7
2
to
11
6

TRANSMISSION

Rear
extension
installation
bolt

Drain
plug

Filler

plug

Backup
lamp
switch
installation

Withdrawal
lever
ball

pin
installation

Model

Item

Each

gear
standard
backlash

For

all

gears
mm
in

Each

gear
standard
end

play

1

st

gear
mm
in

2nd

gear
mm
in

3rd

gear
mm

in

Reverse

gear
mm
in

Reverse
counter

gear
mm

in

Reverse

main

gear
mm
in

Baulk

ring
cone
clearance

Standard
clearance
mm
in

Replacement
standard
mm
in

Counter
shaft

Adjusting
strim
R3W56

0
08
to

0
18

0
0031
to
0

0071

0
15
to
0
25

0

0059
to
0
0098

0
15
to
0

25

0

0059
to
0

0098

0
05

to
0
20

0

0020
to
0
0079

0
05
to
0

15

0
0020
to
0

0059

0

10
to
0

25

0

0039
to
0

0098

1
05
to
14

0

0413
to

0
0551

0
5

0
0197

Part
number

32224
18001

32224

18002

32224
18003

32224
18004

32224
18005

32224
18006

TM
21
1
6
to

2
2
11

6
to
15

9

4
0

to
6
0

28
9
to
43
4

4
0
to
6
0

28
9
to
43
4

2
0

to
2
5

14
5
to
18
1

3
1

to
4
2

22
4
to
30
4

F4W56

0
15
to
0
25

0
0059
to
0
0098

Ttrickness
mm
in

0
8
0

0315

0

9
0

0354

1
0

0
0394

1
1
0
0433

2
0
0472

3
0

0512

CHASSIS

Front

cover

Part
number
Thickness

mm

Un

Adjusting
shim

32208
18000

32208
18001

32208
18002
0
5
0
0197

0
2
0
0079

0
1
0
0039

TROUBLE
DIAGNOSES
AND
CORRECTIONS

Symptom
and

possible
cause
Corrective
action

Difficult
to
intermesh

gears

Causes
for
difficult

gear
shifting
are
classified
to

troubles

concerning
the
control

system
and
transmission

When
the

gear
shift
lever

is

heavy
and
it
is

difficult
to
shift

gears
clutch

disengagement
may
also
be

unsmooth
First

make

sure
that
the
clutch

operates
correctly
and

inspect
the
transmission

Worn

gears
shaft
and
or

bearing
Replace

Insufficient

operating

strokfdue
to
wom
or
loose

sliding
part
Repair
or

replace

Defective

or
damaged
synchronizer
Replace

Gear

slips
out
of
mesh

In
the
most

cases
this
trouble
occurs
when
the

interlock

plunger
check
ball
and

or

spring
is
wuro
or

weakened
or

when
the
control

system
is
defective
In
this

case
the
trouble

cannot
be
corrected

by
replacing
gears
and
therefure

trouble

shooting
must
be
carried
out

carefully
It

should
also
be

noted
that

gear
slips
out
of
mesh
due

to
vibration

generated
by
weakened
front
and
rear

engine
mounts

Worn

interlock

plunger

1
Replace

Worn
check

ball
and
or
weakened

or
broken

spring
Replace

Worn
fork
rod
ball

groove
Replace

Worn
or

damaged
bearing
Replace

Worn
or

damaged
gear
Replace

Noise

When
noise

occurs
under

engine
idling
and

stops
while
the

clutch
is

disengaged
or
when
noise
occurs
while

shifting

gears
it

may
judged
that
the
noise
is

from
the
transmissiun

TM
22

TRANSMISSION

Insufficient
or

improper
lubricant
Add
oil
or

replace
with

designated

oil

Oil
leaking
due
to
defective
oil

seal
and

gasket
clogged
breather
etc
Clean
or

replace

Wom

bearing
High
humming
occurs
at
a

high
speed
Replace

Damaged
bearing

Cyclic
knocking
sound
occurs
also
at
a
low

speed
Replace

Worn

each

spline
Replace

Worn

each
bushiDg
Replace

SERVICE
JOURNAL
OR
BULLETIN
REFERENCE

DATE
JOURNAL
or

BULLETIN
No
PAGE
No
SUBJECT

TM
23