set clock DATSUN 210 1979 Service Manual

SO
B
T
D
C

650

rpm

Non
California
models

except
Canada

100
B
T
0
C
650

rpm

Canada
models

Note
On
FU

models

ignition
timing

t
under
a

con4ition
where

distnoutor

vacuum
hose

is
discon

nected

9
On

FU
models

proceed
as
fol

lows

I
Remove
blind

plug
from
dis

tributor
vacuum
hose
and
connect

hose

to
distributor

diaphragm

EC370A

Fig
ET
15

Connecting
Distributor

Vacuum
Hose

2
If

engine
speed
varies
in
this

state
set
idling
speed
at

specified
value

with
throttle

adjusting
screw

10
At

about
10

minutes
after
en

gine
is

run
at

idling
speed

adjust
idle

adjusting
screw
so
that
CO

percentage

is
at

specified
level

CO

percentage

Manual
transmission

2
t
1
at
700

rpm

Automatic
transmission

in
0

position

2
t
1
at
650

rpm

II

Repeat
procedures
as
described

in

steps
6
7
and

10
above
so
that
CO

percentage
is

at

specified
level
Check

ing
idle
CO
in

step
10
can
be

carried

out

right
after

step
7
Engine
Tune

up

11
Race

engine
1
500
to
2
000

rpm
two

or
three
times
under

no
load

and

make

sure
that

specified
CO

per

centage
is
obtained

13

I
Remove

cap
and

connect
air

hose
to

air
check

valve

Except

Canada
and
FU

models

2

Remove

p
and

connect
air

hose
to
air
induction

pipe
Canada

and

FU
models

If

engine
speed
increases

readjust
it

to
the

specified
speed
with
throttle

adjusting
screw

14
On
FU
models

proceed
as

follows

Open
throttle
valve

by
tuming

throttle
shaft

then
close
it

And
make

sure
throttle

valve
switch
of
fuel

shut

off

system

operates
click
sound
is

heard

or

continuity
turns
to

OFF

when

throttle
valve
is

closed

If
not

adjust
throttle
valve

switch

In
air
conditioner

equipped
models

inspection
in

step
13
should
be

carried
out
when

engine
is

running

with
air
conditioner
in
ON

F

l
CD
is
actuated

Refer
to

Checking
Fuel
Shut
off

System
in
this
section

CO
Idle

adjuatment

without
CO

mater

If
CO

meter
is
not

available
the

following
procedures

may
be

used

I

Check
carburetor

pipes
for

proper

comiection

2
Warm

up
engine
until
water
t
m

perature
indicator

points
to
the

middle

of

gauge
The

procedure
to

warm

up

engine
is
not

specifically
recom

mended
Either

driving
car
or

operat

ing
engine
at
no

load
will
be

good

3
Make

sure
that
water

temperature

indicator

points
to
the

middle
Further

keep
engine

running
at
about
2
000

rpm
for

about
5
minutes

without

applying
load
to

engine
in
order

to

stabilize

engine
condition

Engine

hood
should
be

open

4

Run

engine
for
about
10

minutes

at

idling

speed
During
this

10

minutes

proceed
as
described
in

steps

5
to
9
below

5

I
Disconnect
air

hose
from
air

check
valve
and

install

cap
on
air

ET
8
check
nlve

Except
Canada
and
FU

models

2
Disconnect
air

hose
from
air

induction

pipe
and
install

cap
on
air

induction

pipe
Canada
an
FU

models

3
On

FU
models

disconnect
dis

tributor

vacuum
hose

at
distributor

diaphragm
ide
and

plug
hose
with

blind

plug

6
Race

engine
1
500
to
2
000

rpm

two
or

three
times

under
no
load
then

run

engine
for

one
minute

at

idling

speed

7

Adjust
throttle

adjusting
screw
to

that

engine
speeds
are

as
indicated

below

Engine
speed

Manual
tra
mi
ion

except
FU
models

740

rpm

Automatic

transmission

in
0

position

665

rpm

FU
models

765

rpm

8
Check

ignition
timing
if
neces

sary
adjust
it

to
the
value

required
by

specifications
This

operation
need
not

be
carried
out
at
1

600
km

1
000

miles
service

9
On
FU
models

proceed
as
fol

lows

I
Remove
blind

plug
from
dis

tributor
vacuum
hose
and
connect

hose
to

distributor

diaphragm

2

If

engine
speed
varies
in
this

state
set

idling
speed
at

specified
value

given
in

step
7
with

throttle

adjusting

screw

10
At
about
10
minutes
after
en

gine
is

run
at

idling
speed
adjust
idle

adjusting
screw
until
maximum

rpm
is

obtained

II

Repeat

procedures
as
described

in

steps
6
7
and
10

above
until

engine

speed
at
best
idle
mixture
is

as

specified
in

step
7

Adjustment
in

step

10
can
be
carried
out

right
after

step

7

12
Turn

the
idle

adjustIng
screw

clockwise
until

engine

speed
drops
by

value

given
below

Engine
speed
drops

Manual
transmission

except
FU
models

DESCRIPTION

The

cooling
system
is
of
the

con

ventional

pressure
type
A

centrifugal

1P

a

COOLANT
LEVEL

Pour
coolant
into
the

radiator

up
to

the

cap
and
also
into
the
reservoir

up

to
the
MAX
level

CAUTION

To
avoid
serious

personal
injury
never

remove

radiator

cap
quickly
when

engine
is

hot
Sudden
release
of

cool

ing
system
pressure
is

very
dangerous

If

it
is

necessary
to
remove
radiator

cap
when
radiator
is
hot
turn

cap

slowly
counterclockwise
to
the
first

step
After
all

pressure
in
the
cool

ing

system
is
released
turn

cap
passing

the

stop
and
remove
it

DRAINING
AND

FLUSHING

THE
COOLING

SYSTEM

To
drain

the

cooling
system
re

move
radiator

cap
release
drain
cock
C09ling
System

COOLING
SYSTEM

pump
installed
on
the

timing
chain

cover
serves
to
circulate
the

coolant

The

pressure
t
pe
radiator
filler

cap

at
the
bottom
of
radiator
and
drain

plug
on
the
left

side
of

cylinder
block

If
the
heater

system
is

instaDed
set

heater

control
valve
to

open
position

Mter

the
coolant
is

drained

complete

ly
close
drain
cock
and

plug
and
refdl

the

system
with
clean
soft
water

WATER

PUMP

The
water

pump
is
of
a

centrifugal

type
which
is
mounted
on

the

engine

front
cover

TJ
te
pump
shaft

is

sup

ported
by
a
double
row
of
baD

bear

ings
press
fit
in

an
aluminum
die
cast

pump
body
The

bearings
are

per

manently
lubricated
and
sealed
to

pre

vent
loss
of
lubricant
and

entry
of
dirt

CO
2
installed

on
the
radiator

operates
the

cooling
system
at

higher
than
atmos

pheric
pressure

To
heater

From
heater

C0126

Fig
COol

Cooling
System

C0042

Fig
CO
2
Water

Pump
and

Timing
Chain
Couer

REMOVAL

1
Drain

coolant
into

a
clean
con

tainer

2
Loosen

bolts

retaining
fan
shroud

to

radiator
and
remove
shroud

3

I
Loosen
belt
then
remove
fan

blade
fan

spacer
and

pulley
from
hub

EF053A

Fig
EF

50

Removing
JWrneu

of

Solenoid
valve

2

Connect
rubber
hose

between

vacuum

gauge
and
intake
manifold

Note
A

quick
response
type
boost

gauge
such

as
Bourdon
s

type
is

recommended
a

mercury
type

manometer
should
not
be

used

3
Warm

up
engine
until
it

reaches

operating

temperature
Then

confirm

that

engine
idling

speed
is

specified

valve

Engine

idling
speed

Manual

transmission

700

rpm
Engine
Fuel

Automatic
transmission

in
0

position

650rpm

Note

On
automatic

transmission

models
never

race

engine
when

gearshift
lever

is
in
0

position

4
Run

engine
under
no

load
In

crease

engine
speed
to
3

000

to
3
500

rpm
then

quickly
close
throttle
valve

S
At
the
time
manifold

vacuum

pressure
increases

abruptly
to

600

rnmHg
23
6

inHg
or
above
and

then

gradually
decreases
to
the
level

set
at

idling

a

Maximum

negative
pressure

b

Operating
pressure

c

Idling
pressure

Nega
ive

pressure

EC502

Time

Fig
EF

52
Characteristic
Curve

of

T
O
C
S

6
Check
that
the
T

O
C
s

operating

pressure
is

within
the

specified
pres

sure

Specified

pressure
0
m

sea
level

end
760

mmHg
30

inHgl
atmOs

pheric
pressure

Non
Califomia

models

520
20

mmHg

20
47
0
79

inHg

California
models

560
20

mmHg

22
05

9
79

inHgl

7

I

If
it
is
lower

than
the

specified

level

turn
the

adjusting
screw
or

nut

in
the

following
direction

until
correct

adjustment
is

made

Adjusting
nut

Clockwise

2
If
it
is

higher
than
the

specified

levei
turn
the

adjusting
screw
or

nut

in
the

following
direction
until
correct

adjustment
is

made

EF
20
Adjusting
nut

Counterclockwise

Note

When

adjusting
T

O
C
S
turn

adjusting
nut
in
or
out
with
lock

spring
in

place
Always
set
lock

spring
properly
to

prevent
changes

in

set

pressure

Vo

1

Adjusting
nut

2
Lock

spring

n

EC802

EF055A

Fig
EF
53

Adjusting
Ope
llting

Pre
3ure

Note
The

operating

pressure
varies
in

proportion
to
altitude

a
When

atmospheric

pressure
is

known

operating
pressure
will
be

found

by
tracing
the

arrow
line

A
When

altitude
is

known

op

erating

pressure
will
be

found

by

tracing
the

arrow
line

B

b

When

checking
T

O

C
S

operating

pressure
note

atmospheric
pressure

and
above
sea

level
in
which

check

is

to
be
made
and
determine
set

pressure
by
the

information
fur

nished

For

example
if
above
sea
level
is

1

000
m
3
280
ft

operating
pres

sure
will
then
be
475

mmHg

18
7

inHg
on
non

California

models
or
495

mmHg
19
5

inHg
on
California
models

In
other
words
T

O
C
S

operates

at
475

mmHg
18
7

inHg
or

490

mmHg
19
3

inHg

8
Race

engine
and

check
for

adjust

ment

9
If

engine
speed
will

not

drop
to

idling
speed
when

checking
throttle

opener
operating

pressure
proceed
as

follows

I
Turn

adjusting
screw
counter

clockwise

so
that
throttle

opener
oper

ating
pressure
is
on

high
vacuum
side
Engine
Fuel

25

mmHg
0

98

inHg
away
from
the

specified
value

2

Turn

adjusting
screw
l
O
of
a
turn

clockwise

so
that
throttle

opener
oper

ating
pressure
drops
by
25

mmHg

0
98

inHg

10
If
throttle

opener
operating

pressure
cannot
be
observed

clearly

even
in

step
9

proceed
as
follows

I
Turn

adjusting
screw
counter

clockwise

so
that
tluottle

opener

oper

ating
pressure
is
on

high
vacuum
side

50

mmHg
1
97

inHg
away
from

mid

point
of
the

specified
range

2
Turn

adjusting
screw
l
of
a
turn

clockwise

Note

The
throttle

opener
operating

pressure
should
be

correctly
set

within
the

specified
range
after
the

above

adju
stments
even
if
the
en

gine
speed
cannot
be
decreased
to

idling

inHg
mmHg

30

750

29

28

24

A

600

700

23
27

560

26
22

550

650

21
25

0

0
20
24

500

600
0

0

19

23

c

o

c

22

ii
18
0

0
450

550
E

c

0

17
2

16
20

400

500

15
B

Non
California
model

350
14

California
model

13

300

5

000
6

000
1ft

0
1
000
2
000
3
001
4
000

0
0
5
1
5
2
km

Altitude

EF056A

Fig
EF
54

Clumges
in

Operating
Pressure
Versus

Changes
in

Atmospheric

Pressure

EF
21
SERVO
DIAPHRAGM

STROKE

I
Connect

engine
tachometer

2
Warm

up
engine
until
it

reaches

operating
temperature

3
Disconnect
rubber
hose
between

servo

diaphragm
and

vacuum
control

valve

Then

connect
rubber

hose
to
in

take
manifold

Servo

diaphragm

Rubber
hose

T

O
C
S

solenoid
valve

T

O
C
S
control
valve

EF250

EF057A

Fig
EF
55

Connecting
Rubber
Hose

to

Intake

Manifold

4
Servo

diaphragm
is

functioning

properly
if

engine
speed
comes
into

the

specified

range

Specified
engine
speed

1
650

to

1
850
rpm

except

Californial

1

900
to
2

100

rpm

for
California

5
If

necessary
adjust
engine
speed

until
it
is
in
the

specified
range
using

servo
diaphragm

adjusting
screw

When

engine

speed
is

lower
than

the

prescribed
range

Turn

adjusting
screw

clockwise

When

engine
speed
is

higher
than

the

prescribed
range

Turn

adjusting
screw

counterclockwise

DISASSEMBLY

TRANSMISSION
CASE

DISASSEMBLY

I

Prior
to
disassembling
traiIsmis

sian

thoroughly
wipe
off
dirt

and

grease
from
it

2
Drain

oil

thoroughly

3

Remove
dust
cover
from
trans

mission

case

Remove
release

bearing
and
with

drawallever

4

Remove
reverse

lamp
switch
and

top
detecting
switch
if

equipped

5
Remove

speedometer

pinion
as

sembly

6
Remove

nut
and

stopper
pin
bolt

from
rear
end
of
rear
extension

TM783

Fig
MT
6

Removing
Nut
and

Stopper
Pin
Bolt

7

Remove
return

spring
plug
return

spring
reverse
check

spring
and

plunger
from
rear
extension

@

@

j

TM784

Fig
MT

7
Rt

moving
Return

Spring
Plug

8
Remove
front
cover
Detach

0

ring
and
front
cover

adjusting
shim

TM785

Fig
MT
B

Removing
Front
Cover

a

Ring
and

Adju

ting
Shim
Manual
Transmission

9
Remove
main

drive

bearing
snap

ring
with

snap
ring

pliers

o

TM188

Fig
MT

9
Rt

mouing
Main
Drive

BNring
Snap
Ring

10
Remove

rear
extenSion

secUring

baits
and
turn
the

striliing
rod

clock

wise

Drive
out
rear
extension

backward

by
lightly
ta

pping
around
it

with
a

soft

hammer

TM787

Fig
MT
10

Removing
Rear
Extemion

11

Separate
transmission
case
from

adapter
plate
by
evenly
tapping

around
it

with
a
soft
hammer

CAUTION

Do
not

pry
transmission
case
or
rear

extension
from

edapter
plate
with

screwdriver

TM788

Fig
MT
II

Removing
Tronsmiuion

COSf

MT

5
12

Set

up
Adapter
Setting
Plate

KV32100300

on

adapter
plate

Place
the
above

assembly
in

a
vise

TM789

Fig
MT
12
A

ttaching
Gear

A
mbly

to

Special
Tool

13
Detach
counter

gear
thrust

washer

DISASSEMBLY
OF

GEAR

ASSEMBLY

Shift

forks
and
fork
rods

I

Drive

out

retaining

pins
from

each
fork

rod
with
Fork

Rod
Pin

Punch

ST23540000

TM790

Fig
MT
13
Drive
Out

Retaining
Pim

2

Drive
out
reverse

gear
shift
fork

and
reverse
idief

gea

TM791

Fig
MT
14

Driving
Out
Re
1dkr

Gear
and

Shift
Fork

Align
notches
in

reverse
3rd
4th

and
1st

2nd
fork

rods
with
check

balls

Note

a
In
the

standard

position
the

upper

surface
of
the

ping
is

nush
with

thaI
of

adapter
plate

b
CheCk

balfpIug
for
i
st
2nd
fork

rod
is

longer
than
those
for
reverse

forkrod
and
3rd
4th
fork
rod
Manual
Transmission

TRANS
SSION

ASSEMBLY

Transmission
case

assembly

Remove

adapter
plale
with

gear

assembly
from

Adapter
Setting
Plate

KV32100300

2

Clean

mating
surfaces
of

adapter

plate
and

transmission

case

Apply
sealant
to

mating
surfaces
of

adapter
plate
3
nd
transmission

case

3

Install
counter

gear
thrust

washer

selected

previously

Note

a

Apply
grease
to

stiding
sorface
of

thrust
washer

b
When

installing
thrust

washer
note

the
front
and
rear

directions

Fig
MT
56

Installing
Check
Ball
0

Plugs

6
1nstall
rev

rse
idler

gear

together

with
reverse
shift

fork

TM791

Fig
MT

57

Installting
Re
ldler

Getg
and

Shift
Fork

7

Install
each

fork
rod
on
shift
fork

with
new

retainif
g

pin
U
a

ham

mer

toseCUfe

pin
in

place

Note
To
insure

that
interlock

plunger

is
installed

properly
slide

3rd
4th

fork

rod
and

operate
the

other
fork

rod
Make
sure
that

the

gear

except

lrd
or
4th

gear
does

not
mesh

8

Apply

g
ar
oil
o

all

sliding
sur

faces
and
check

to
see
that
shift
rods

operate
correctly
and

gears
are
en

gaged
smoothly
Fig
MT

58
Installing
Thrust

Washer

Front
Oil

groove
side
Rear

Thrust
side

TM727

Fig
MT
59
Counter

Gear
Thru
t

Washt
r

4

Place
wooden

plate
of
more
than

15

mm
0
59
in
thick

under
transmis

sion

case
to
make
it

level

Slide
transmission

case
onto

adapter
plate
by
lightly

tapping
with
a

soft

hammer
until

case
bears

against

adapter
plate
and
be
sure
to
line

up

dowel

pin

Carefully
install
main

drive

bearing

and
counter

gear
front

needle

bearing

Make
certain

that
rnainshaft

rotates

freely

MT14
1

Wooden

block

TM813

Fig
MT

60

Installing
Transmiuion

Cale

5

Fit
main
drive

bearing
snap

ring

to

groove
in
main

drive

bearing
with

snap
ring
pliers

Note

Make
sure

snap
ring
fits
in

groove

Fig
MT

61
Fitting
Main

Dri

Bearing
Snap
Ring

Rear

extension

assembly

Clean

mating
surfaces
of

adapter

p
Iat
aIld
rear
e

tens
i91

Apply
sealant
to

mating
surfaces
of

adapter
plate
and
rear

extension

2

With
fork
rods
in

their
neutral

positions
turn

striking
rod

clockwise

and

gradually
slide
rear

extension
onto

adapter
plate
making
sure
that

striking
lever

engages
with

fork
rod

brackets

correctly

3
Install

through
bolts
with
washer

and

tighten

b
Tightening

torque

Rear
extension

installation

bolt

1
6

to
2
2

kg
m

12
to
16
ft
lb

DISASSEMBLY

TRANSMISSION
CASE

DISASSEMBLY

1
Prior
to

disassembling
transmis

sion

thoroughly
wipe
off
dirt
and

grease
from
it

2

Drain
oil

thoroughly

3
Remove

dust
cover
from
trans

mission
case

Remove
release

bearing
and

with

drawallever

4
Remove
reverse

lamp
switch

and

top
detecting
switch

if
so

equipped

5
Remove

speedometer
pinion
as

sembly

6
Remove

nut
and
stopper

pin
bolt

from
rear

end
of
rear
extension

Fig
MT
71

Removing
Nut
and

Stopper
Pin
Bolt

7
Remove

return

spring
plug
return

spring
and

plunger
from
rear
exten

sion

@

@
Q

@

j

TM784

Fig
MT
72
Removing
Return

Spring
Plug

8
Remove

front
cover
Detach
0

ring
and

front
cover

adjusting
shim

1l
l

TM785

Fig
MT
73

Removing
Front
Cover

D

Ring
and

Adju
ting
Shim
Manual
Transmission

9
Remove
main
drive

bearing
snap

ring
with

snap
ring
pliers

Fig
MT
74

Removing
Main
Drive

Bearing
Snap
Ring

10
Remove
rear
extension

securing

bolts
and
turn

striking
rod
counter

clockwise

Drive
out
rear

extension
backward

using
a

standard

puller

TM548

Fig
MT
75

Removing
R
ar

Extension

11

Separate
transmission
case
from

adapter
plate
by
evenly

tapping

around
it

with
a
soft
hammer

CAUTION

00
not

pry
transmission
case
or
rear

extension
from

adapter
plate
with

screwdriver

TM262A

Fig
MT
76
Removing
Tran

miuion

Ca
e

MT19
12

Set

up
Adapter
Setting
Plate

KV32100300
on

adapter
plate

Place
the
above

assembly
in

a
vise

TM230A

Fig
MT
77
A

ttaching
Gear

Assembly
to

Special

Tool

13

Detach
counter

gear
thrust

washer

DISASSEMBLY
OF

GEAR
ASSEMBLY

Shift
forks

and
fork
rods

1

Drive
out

retaining
pins
from

each

fork
rod
with

Fork
Rod
Pin

Punch
ST23540000

TM231
A

Fig
MT
78

Driving
Out

Retaining

Pim

2

Remove
three
3

check
ball

plugs

TM232A

Fig
MT
79

Removing
Check
Ball

Plug

TRANSMISSION
ASSEMBLY

Transmission
case

assembly

r

I
Remove

adapter
plate
with

gear

assembly
from

Adapter
Setting
Plate

KV32100300

2

Clean

mating
surfaces
of

adapter

plate
and
transmission
case

Apply
sealant
to

mating
surfaces
of

adapter
plate
and
transmission

case

3
Install
counter

gear
tluust
washer

selected

previously

Note

a

Apply
grease
to

sliding
surface
of

thrust
washer

b
When

installing
thrust
washer
note

the

front
and
r
ar
directions

Front
Oil

groove
side
Rear
Thrust
side

TM727

Fig
MT
127
Counter
Gear
Thru
t

Wa
her

4
Place
wooden

plate
of
more
than

20
mm
0

79
in
thick
under
transmis

sion
case
to

make
it

level

Slide
transmission
case
onto

adapter
plate
by
lightly
tapping
with
a

soft
hammer
until
case
bears

against

adapter
plate
and
be

sure
to
line

up

dowel

pin

Carefully
install
main
drive

bearing

and
counter

gear
front

needle

bearing

Make

certain
that
mainshaft

rotates

freely

Wooden

block

TM252A

Fig
MT
128
Installing
Transmis
ion

Ca
e
Manual
rransmission

5

Fit
main
drive

bearing
snap
ring

to

groove
in
main
drive

bearing
with

snap
ring
pliers

Note

Make
sure

sno

p
ring
fits
in

groove

Fig
MT

129

Fitting
Main
Drive

flearing
Snap
Ring

ReBr
extension

assembly

I

Clean

I
lating
surfaces
of

adapter

plate
and

rcar
extension

Apply
sealant
to

mating
surfaces
of

adapter
plate
a
itd

rear
extension

2

Assemble
rear
extension

assembly

as
follows

q
Set
fork
rod
at

5th

position

2
P

sition

striking
rod

at
Neutral

position
turn

striking
guide
clockwise

and
then

set

striking
lever
and
shift

arm
as
shown
in

Fig
MT

130

3
In

this
state

align
shift
arm

pin

with

groove
in

fork
rod

and
assemble

rear
extension

assembly
on

adapter

plate

MT280A
Shift
ann

J

1
Fork
rod

J

At
5th

Installing
Rear
Extension

Assembly
Fig
MT
130

MT29
Note

a

Use
care
when

installing
rear
ex

tension

assembly
Do
not
allow

shift

ann
to

come
out
of
the
strik

ing
leVer

b
Install
shift
ann
onto
4th
5th

fork
rod
and
then
fit

striking
lever

pin
into
oth
r

fork
rods

3
Install

through
bolts
with

wash

ers

GJ

Tightening
torque

Rear
extension
installation

bolt

1
6
to
2
2

kg
m

12
to
16
ft
lb

4

Apply
grease
to

plunger
install
it

in
rear
extension

5

InstaU
return

spring

Apply
locking
sealer
to
return

spring
plug
and
mstall
it
in

place

GJ
Tightening
torque

Return

spring
plug

0
5
to
1
0

kg
m

3
6
to
7
2
ft
lbl

Front
coyer

assembly

I

Select
fron
cover

adjusting
shim

as
follows

I

Using
verruer

caliper
depth
gauge

measure
depth
A

from
front
end

of

transmission
case
to

main
drive

bearing

outer
race
with

front
cover

adjusting

shim
in

place

2

Select
a

shim
of
thickness
A

measured

RANGE
REVERSE

Po

r
flow

With
the
selector

lever
in
R

range
the
front
clutch

is

applied
to

transmit

clockwise

engine
torque

through
the

connecting
shell
to
the

sull
gear
The
clockwise
otation

of
the

sun

gear
causes
the

planet
gears
to

rotate
counterclockwise
With
the
low

and

reverse
brake

holding
the

rear

planet
carrier
the
rear
internal

gear

splined
to
the

output
shaft
turm

counterclockwise
in

a
reduction
ratio

ofapproximately2
18
to
1

Fluid
flow

Manual
Valve
4
Automatic

Tninsmission

Front

gear
set

Rear

gear
ell

Output

Input
throush
front
clutch

Held

by
low
A
reverse
brake

AT329

lW
w

Y

Front
clutch

Rear
clutch

Low
and
reverse
brake

Brake
band
servo

On
way
clutch

5
Throttle
Back

up
Valve
Low
A
reverse
brake
ON

Downshift
Valve

1st

2nd
Shift
Valve
12

6

L
Pressure

Regulator
Valve

2nd
3rd
Shift
Valve

10

AT

8
AT085

ON

OFF

ON

OFF
Preuwe
release

o

ernmnin

F
AT
9
M
hanical

Operation
during
R

Range

13
2nd
3rd
Shift
Valve

L

1st
2nd
Shift
Valve

I
Throttle
Back

up
Valve

y
Low
Reve
Brake

Band
Servo
Release
Side

11
Front

Clut
h

I

DI
RANGE
LOW

GEAR

Po
r
flow

With
the
shift
selector
in
0
low

gear
engine
torque
is

traJWnitted

through
the

applied
rear

clu
tch
to
the

internal

gear
of
the
front

gear
set
The

c1o
kwise
rotation

o
f
the

front
inter

naI

gear
causes
the
front

planet
gears

to
rotate
clockwise

driving
the

com

pound
sun

gear
counterclockwise
The

front

planetary
carrier
is

splined
to
the

output
shaft
This
cau
the

planet

gears
to
drive
the
sun

gear
instead
of

walking
around
the
sun

gear
This

counterclockwise
rotation
of

the
sun

gear
causes
the
rear

planet
gears
to

rotate
clockwise
With
the
one

way

clutch

holding
the
rear

planet
carrier

the
rear

planetary
gears
turn
the
rear

internal

gear
and

output
shaft
clock

wise
in
a
reduction
ratio

of

approxi

mately
2
46
to
L

Fluid
flow

Manual
Valve

2

3
Automatic
Transmission

Fiont

gear
set
Rear
gear
set

Input
t1uOllsh

rear
clutch

Output
shaft

Held

by
on
way
clutch

Input
from
front

gear
set

Output
to
real

gear
set

AT330

1

J

ld

AT081

Front
clutch

Reu
clutch

Low
and
revcrx
brake

Brake
band
servo

Onto

way
clutch
OFF

ON

OFF

OFF

HOLDING

Fig
AT
12

MochanicaIOp

rationduri

DJ
Ra

Governor
Valve

Pressure
Modifier
Valve
15

2nd
3rd
Shift
Valve

lst
2nd
Shift
Valve

2nd
3rd

Timing
Valve

1st

2nd
Shift
Valve

j
Rear

Clutch

I

Second
Lock
Valve

Second
Lock

Valve

LOrifice

Check

Valve
2nd
3rd

Shift
Valve

AT12