Automatic
Transmission
R
RANGE
REVERSE
R
In
R
range
the
front
dutch
and
the
low
and
reverse
brake
are
applied
The
power
flow
is
through
the
input
shaft
front
clutch
and
connecting
shell
to
the
sun
gear
Clockwise
rota
tion
of
the
sun
gear
causes
counter
clockwise
rotation
of
the
rear
planeta
ry
gears
With
the
connecting
drum
held
Slationary
by
the
low
and
reverse
brake
the
rear
planetary
gears
rotate
the
rear
internal
gear
and
drive
the
flange
counterclockwise
The
rear
drive
flange
splined
to
the
output
shaft
rotates
the
output
shaft
counterclock
wise
at
a
reduced
speed
with
an
increase
in
torque
for
reverse
gear
f
When
Ihe
manual
valve
CV
is
posi
tioned
at
R
range
Ihe
oil
having
Ihe
line
pressure
7
is
directed
to
line
pressure
circuits
5
and
6
The
pressure
in
the
circuit
5
actuates
the
low
and
reverse
brake
after
being
introduced
into
line
pressure
circuit
12
through
the
I
st
2nd
shift
valve
@
The
pressure
in
Ihe
circuit
op
erates
the
release
side
of
the
band
servo
and
the
front
clutch
after
being
led
to
line
pressure
circuit
10
through
the
2nd
3rd
shift
valve
@
The
throtlle
pressure
16
and
the
line
pressure
6
which
vary
with
the
degree
of
acceJerator
pedal
depression
both
act
on
the
prcssure
regulator
valve
CD
and
press
against
its
valve
CD
increasing
line
pressure
7
In
R
range
the
governor
pressure
is
absent
making
all
slldl
valves
as
the
J
SI
2nd
shift
valve
@
2nd
3rd
shift
valvc
@
and
pressure
modifier
valve
j
inoperative
C
Fig
AT
26
Power
transmi
ion
during
R
range
A
TOS5
Fig
AT
27
Operation
attach
mechanism
during
R
range
G
Clutch
Low
A
Band
servo
One
Parkin
Ran
no
wa
plwl
ratio
Front
Rear
brake
Operllioo
Rdr
ue
clutch
k
on
on
Revctte
1
181
on
on
on
Neutnl
DI
Low
1
418
on
on
Driw
D2
Second
1
458
on
on
DJ
Top
1
000
on
on
on
on
2
Second
1
458
on
on
12
Second
1
458
on
on
I
II
Low
2
458
on
on
AT
16
N
RANGE
NEUTRAL
Automatic
Transmission
In
N
range
none
of
the
clutches
and
band
are
applied
thus
no
power
is
transmitted
to
the
output
shaft
The
pressure
of
oil
discharged
from
the
oil
pump
is
regulated
by
the
pressure
regulator
valve
CD
to
maintain
the
line
pressure
7
and
the
oil
is
led
to
the
manual
valve
V
vacuum
throt
tle
valve
@
and
solenoid
down
shift
valve
@
The
oil
is
further
introduced
into
the
torque
converter
at
its
op
erating
pressure
14
and
a
portion
of
this
oil
is
distributed
to
each
part
as
the
front
lubricant
The
oil
which
has
been
discharged
from
the
torque
con
verter
is
also
distributed
to
eacn
part
as
the
rear
lubricant
As
the
oil
pump
rotates
at
the
same
speed
as
the
engine
the
oil
pump
discharge
increases
with
engine
speed
But
the
surplus
oil
is
returned
to
the
oil
pan
by
the
pressure
regulator
valve
CD
G
Clutch
Low
Band
servo
One
Pukiq
R
w
pawl
ntlo
Front
Rur
br
ke
Optruion
Release
clutch
PIlIi
on
on
Reverse
2
182
on
on
on
Neut
1
01
Low
2
458
on
on
Drive
02
Second
t
458
on
on
03
Top
1
000
on
on
on
on
2
Setond
1
458
on
on
12
Second
1
4
58
on
on
1
II
Low
2
458
on
on
AT
18
D
RANGE
LOW
GEAR
Automatic
Transmission
The
low
gear
in
D
range
is
somewhat
different
from
that
in
I
range
The
rear
c1utdl
is
applied
as
III
I
range
but
the
one
way
clutch
holds
the
connecting
drum
The
power
now
is
the
same
as
in
1
J
range
That
is
the
power
now
takes
place
through
Ihe
input
shaft
and
into
the
rear
clutch
The
input
shaft
is
splined
to
the
rear
clutch
drum
and
drives
it
Rotation
of
Ihe
rear
clutch
drives
the
rear
clutch
hub
and
front
internal
gear
The
front
internal
gear
rotales
the
front
planetary
gears
clockwise
to
cause
the
sun
gear
to
rotate
counter
clockwise
Counterclockwise
rotation
of
the
sun
gear
turns
the
rear
planetary
gears
clockwise
With
the
rear
plane
tary
carrier
held
stationary
by
the
one
way
clutch
the
clockwise
rotation
of
the
rear
planetary
gears
rotates
the
rear
internal
gear
and
drives
the
flange
clockwise
The
internal
drive
flange
is
splined
to
the
outpul
shaft
and
rotates
the
output
shaft
clockwise
When
the
manual
valve
is
posi
tioned
at
D
the
line
pressure
7
introduced
into
the
manual
valve
is
led
to
the
line
pressure
circuits
l
2
and
3
The
pressure
in
the
circuit
I
acluates
the
rear
clutch
and
the
gover
nor
and
al
the
same
time
operates
the
1st
2nd
shift
valve
CID
to
change
the
speed
The
circuit
2
leads
to
the
second
lock
valve
@
The
circuit
3
actuates
the
2nd
3rd
shift
valve
@
for
the
2nd
3rd
speed
change
and
at
the
same
lime
locks
the
second
lock
valve
@
The
throttle
pressure
16
which
changes
with
the
degree
of
accelerator
pedal
depression
presses
Ihe
pressure
regulator
valve
CD
and
increases
the
line
pressure
7
When
Ihe
speed
of
the
vehicle
has
increased
the
governor
pressure
15
introduced
from
the
line
pressure
circuit
I
actuates
the
I
SI
2nd
shift
valve
CID
2nd
3rd
shift
valve
@
and
pressure
modifier
valve
ID
When
the
governor
pressure
is
high
the
pressure
modifier
valve
ID
acls
in
such
a
direction
as
to
compress
the
spring
and
the
throttle
pressure
is
led
to
the
throttle
pressure
18
This
ATOSO
Fig
AT
30
Power
transmission
during
D
J
range
liIIl
I
IW
L
AT08l
Fig
AT
31
Operation
of
each
mechanism
during
VJ
range
Clutch
low
Band
servo
On
Parking
Cur
Ran
Rllelle
way
pawl
ratio
Front
Rur
brake
Operation
Rekase
ch
lch
Park
on
on
RellerK
2
t82
on
on
on
Neutral
01
low
2
S8
on
on
Orivt
02
Second
1
458
on
on
OJ
Top
1000
on
on
on
on
2
Second
1
458
on
00
t2
Second
1
458
on
on
t
tt
low
2
458
on
on
pressure
acts
against
the
force
of
the
spring
of
the
pressure
regulator
valve
CD
and
also
against
the
throttle
pres
sure
16
thus
lowering
the
line
pres
sure
7
The
governor
pressure
also
increases
with
the
speed
of
Ihe
vehicle
exerting
a
pressure
on
one
side
of
the
lst
2nd
shift
valve
and
counter
acts
the
Ihrottle
pressure
19
line
pressure
AT
20
l
and
the
spring
which
are
exerting
against
t
1e
governor
pressure
There
fore
when
the
governor
pressure
ex
ceeds
Ihis
pressure
the
speed
is
shifted
from
the
I
st
gear
to
the
2nd
gear
The
further
the
accelerator
pedal
is
depressed
the
higher
becomes
the
throttle
pressure
19
increasing
the
governor
pressure
and
shifting
the
speed
change
point
to
the
higher
side
Automatic
Transmission
0
ran
e
2nd
ear
I
I
l
I
7
Throttle
k
up
ftV
V
II
I
ont
Lubtlclt
n
Orifice
C
Kk
Val
C
alnV
I
Th
ottle
O
n
Valve
2
S
Mod
V
l
IS
13
CD
Regulator
V
@2rlCl
3
dShlft
V
13
F
311ft
2nd
Shift
V
l
S
Manual
V
PR
Nota
M
X
r
Dr
1
n
I
i
O
nof
Vaw
LI
p
IGov
nor
fINd
P
Gov
norp
r
c
J
TORI
0
0
pr
Iiiiiiiiiiiiiii
Thronle
pr
ieconoery
Gov
nor
V
Fig
A
T
35
Oil
pressure
circuit
diagram
D
z
range
2nd
gear
AT
23
2
RANGE
2ND
GEAR
Automatic
Transmission
In
2
range
the
gear
rario
is
IOI
keJ
III
the
2nd
forward
speed
In
this
case
the
rear
dutch
is
engaged
and
the
band
brake
holds
the
front
clutch
drum
the
connecting
shell
and
sun
gear
from
rotating
The
power
flow
takes
place
through
the
input
shaft
inlo
the
rear
clutch
and
the
front
internal
gear
With
Ihe
sun
gear
held
stationary
the
front
planetary
gears
rotate
around
the
sun
gear
carrying
the
front
planet
carrier
with
them
The
front
planet
carrier
being
splined
to
the
output
shaft
causes
clockwise
rotation
of
the
OUI
put
shaft
at
a
reduced
speed
compared
to
the
speed
of
the
input
shaft
with
an
increase
in
torque
As
the
low
and
reverse
brake
is
not
engaged
the
clock
wise
rotation
of
the
output
shaft
causes
clockwise
rotation
of
fear
inter
nal
gear
and
the
rear
planet
carrier
also
rotates
around
the
sun
gear
in
a
clockwise
direction
The
one
way
clutch
will
act
to
allow
clockwise
rotation
of
connecting
drum
When
the
manual
valve
V
is
posi
tioned
at
2
the
line
pressure
7
is
introduced
into
the
line
pressure
cir
cuits
I
2
and
4
The
line
pressure
I
is
led
to
the
governor
rear
clutch
and
I
st
2nd
shift
valve
CID
as
in
the
case
of
D
range
The
line
pressure
2
locks
the
second
lock
valve
@and
is
led
to
thc
tightening
side
of
Ihe
band
servo
The
2nd
gear
is
therefore
fixed
regardless
of
vehicle
speed
When
DJ
range
3rd
gear
is
shifted
to
2
range
the
line
pressure
4
enters
Ihe
throttle
back
up
valve
V
and
produces
a
high
pressure
in
the
circuit
17
increasing
thc
throttle
pressure
li
6
The
line
pressure
7
is
therefore
increased
and
quickly
tightens
the
band
N
e
DJ
range
3rd
gear
to
2
range
If
DJ
range
3rd
gear
is
shifled
to
2
range
during
operation
the
manual
valve
V
is
also
shifted
to
A
T078
Fig
AT
40
Powu
tTansminion
during
2
H
range
A
1079
Fig
AT
41
Operation
of
each
mechanism
during
2
range
Clutch
Low
Band
ser
o
On
Parking
Gw
Ran8t
utio
w
pa
Front
Rear
brake
Operalion
Release
dutch
Pui
on
on
Revtrs
e
2
182
on
on
on
Neutral
01
Low
2
458
on
on
Drive
02
Second
1
458
Oft
Oft
OJ
Top
1
000
on
on
on
on
1
Second
1
458
on
Oft
12
tocond
1458
on
on
J
tt
Low
2
458
on
on
2
position
causing
the
line
pres
sure
circuit
3
to
be
drained
Therefore
the
line
pressure
circuit
10
which
is
situated
at
the
release
side
of
the
front
clutch
and
servo
is
also
drained
through
the
2nd
3rd
shift
val
e
@
forcing
the
speed
to
AT
28
decrease
from
3rd
gear
to
2nd
gear
In
this
case
the
speed
change
quickly
takes
place
because
the
line
pressure
7
and
other
pressure
are
heightened
by
the
action
of
the
line
pressure
4
in
the
same
manner
as
described
under
2
range
1
RANGE
LOW
GEAR
Automatic
Transmission
f
Wilen
slJrting
in
I
range
the
drlvlIlg
gear
is
IOl
ked
to
the
low
gear
fJIIIJ
In
H
range
the
rear
clutch
is
engJged
and
the
low
and
reverse
brake
hulds
he
onnecting
drum
and
feac
planet
carrier
from
rotating
The
power
tlow
lakes
place
through
the
input
shaft
and
into
lhe
rear
clutch
ROlalion
of
the
rear
clutch
drives
lhe
rear
dutch
hub
and
front
internal
gear
The
front
internal
gear
rotates
the
front
planetary
gears
clockwise
to
cause
the
sun
gear
to
rotate
counter
clockwise
Counterclockwise
rotation
of
the
sun
gear
turns
the
rear
planetary
gear
clockwise
The
rear
planet
carrier
splined
to
the
connecting
drum
is
held
from
rotating
by
the
low
and
reverse
brake
The
clockwise
rotation
of
the
rear
planetary
gears
therefore
rotates
the
rear
internal
gear
and
internal
drive
tlange
The
internal
drive
tlange
is
splined
to
the
output
shaft
and
rotates
the
uutput
shaft
clockwise
However
the
output
shaft
rotates
at
a
lower
speed
compared
to
that
of
the
input
shaft
This
is
caused
by
the
fact
Ihat
the
front
planet
carrier
rotates
at
the
same
speed
as
Ihe
OUlput
shaft
in
the
same
direction
since
the
carrier
is
splined
to
the
output
shaft
The
front
internal
gear
and
planetary
gear
assem
bly
are
rotating
in
the
same
direction
but
the
planet
carrier
is
rotating
at
a
speed
slower
than
the
ring
gear
So
the
gear
ralio
of
this
speed
range
is
a
combination
of
the
ratios
provided
by
the
front
and
rear
planetary
gear
as
semblies
When
the
manual
valve
Vis
posi
tioned
at
I
the
line
pressure
7
is
applied
into
the
line
pressure
circuits
I
4
and
5
The
oil
pressure
in
5
actuates
the
luw
and
reverse
brake
after
being
introduced
into
the
circuit
12
through
Ihe
1st
2nd
shift
valve
ID
and
the
line
pressure
I
acts
on
C
A
T076
Fig
AT
43
Power
transmission
during
1
J
range
Fai1
A
TOn
Fig
AT
44
Operation
of
each
mechanism
during
JJ
range
Clutch
Low
Band
servo
On
Parking
Gm
Range
reverse
w
pawl
ratIO
Front
Rur
brake
Operatlon
Release
clulCh
Park
on
on
Reverse
2
182
on
on
on
Neutral
01
low
2
458
on
on
Drive
02
Second
1
458
on
on
03
Top
1000
on
on
on
on
2
Second
1
458
on
on
2
Second
IAS8
on
on
I
1
low
2
458
on
on
the
rear
clutch
and
governor
The
line
pressure
4
acts
in
the
same
manner
as
in
2
range
Similar
to
that
of
the
D
range
the
line
pressure
inr
reases
with
the
degree
of
accelerator
pedal
depression
and
the
line
pressure
decreases
with
the
increase
of
car
speed
The
governor
pressure
15
which
acts
on
the
I
st
2nd
shift
valve
does
not
increase
until
it
overcomes
the
combined
force
of
the
line
pressure
12
and
the
spring
causing
no
st
2nd
speed
cha
nge
AT
30
Automatic
Transmission
REMOVAL
AND
INSTALLATION
TRANSMISSION
ASSEMBLY
REMOVAL
INSTALLATION
TRANSMISSION
ASSEMBLY
When
dismounting
the
automatic
transmission
from
a
vehicle
pay
at
tention
to
the
following
points
1
Before
dismounting
the
trans
mission
rigidly
inspecl
it
by
aid
of
the
Troubleshooting
Chart
and
dis
mount
it
only
when
considered
to
be
necessary
2
Dismount
the
transmission
with
utmost
care
and
when
mounting
observe
the
tightening
torque
indi
cated
on
another
table
not
to
exert
excessive
force
REMOVAL
In
dismounting
automatic
transmis
sion
from
vehicle
proceed
as
follows
I
Disconnect
battery
ground
cable
from
terminal
2
Disengage
torsion
shaft
from
ac
celerator
linkage
3
Jack
up
vehicle
and
support
its
weight
on
safety
stands
Recommend
a
hydraulic
hoist
or
open
pit
be
utilized
if
available
Make
sure
that
safety
is
insured
4
Remove
propeller
shaft
Note
Plug
up
the
opening
in
the
rear
extension
to
prevent
oil
from
flowing
out
5
Disconnect
front
exhaust
tube
6
Disconnect
selector
range
lever
from
manual
shaft
7
Disconnect
wire
connections
at
inhibitor
switch
CONTENTS
AT
33
AT
33
AT
33
TRANSMISSION
CONTROL
LINKAGE
REMOVAL
AND
INSTALLATION
ADJUSTMENT
AT
35
AT
35
AT
35
8
Disconnect
vacuum
tube
from
vacuum
diaphragm
and
wire
connee
lions
at
downshift
solenoid
9
Disconnect
speedometer
cable
from
rear
extension
10
Disconnect
oil
charging
pipe
II
Disconnect
oil
cooler
inlet
and
outlet
tubes
at
transmission
case
12
Support
engine
by
locating
a
jack
under
oil
pan
with
a
wooden
block
used
between
oil
pan
and
jack
Support
transmission
by
means
of
a
transmission
jack
13
Detach
converter
housing
dust
cover
Remove
bolts
securing
torque
converter
to
drive
plate
See
Figure
AT
4
AT261
Fig
AT
47
Removing
torque
conv
rter
attaching
bolts
Note
Before
removing
torque
con
verter
scribe
match
marks
on
two
parts
so
that
they
may
be
replaced
in
their
original
posi
tions
at
assembly
14
Remove
rear
engine
mount
securing
bolts
and
crossmember
mounting
bolts
15
Remove
starter
motor
16
Remove
bolts
securing
transmis
sion
to
engine
After
removing
these
AT
33
bolts
support
engine
and
transmission
with
jack
and
lower
the
jack
gradually
until
transmission
can
be
removed
and
take
out
transmission
under
the
car
Note
Plug
up
the
opening
such
as
oil
charging
pipe
oil
cooler
tubes
etc
INSTALLATION
Installation
of
automatic
transmis
sion
on
vehicle
is
reverse
order
of
removal
However
observe
the
follow
ing
installation
notes
Drive
plate
runout
Turn
crankshaft
one
full
turn
and
measure
drive
plate
mnou
t
with
indi
cating
finger
of
a
dial
gauge
rested
against
plate
See
Figure
AT
48
Replace
drive
plate
if
in
excess
of
0
5
mm
0
020
in
Maximum
allowable
mnout
0
3
mm
0
012
in
A
T262
Fig
AT
48
MeCJ
uring
drive
plate
runout
2
Installation
of
torque
converter
Line
up
notch
in
torque
converter
with
that
in
oil
pump
Be
extremely
careful
not
to
cause
undue
stresses
in
parts
in
installing
torq
e
converter
See
Figure
AT
49
Starter
should
be
brought
into
op
eration
only
when
selector
lever
is
in
P
and
N
positions
it
should
not
be
started
when
lever
is
in
D
2
I
and
R
positions
Back
up
lamp
should
also
light
when
selector
lever
is
placed
in
R
position
S
After
converter
is
installed
rotate
10
Check
level
of
oil
in
transmis
crankshaft
several
turns
and
check
to
be
sure
that
transmission
rotates
freely
sion
For
detailed
procedure
see
page
AT48
without
binding
6
Pour
recommended
automatic
II
Move
selector
lever
through
aU
positions
to
be
sure
that
transmission
transmission
fluid
up
to
correct
level
operates
correctly
through
oil
charge
pipe
verter
to
transmission
measure
dis
With
hand
brake
applied
rotate
tan
A
to
be
certain
that
they
are
7
Connect
manual
lever
to
shift
engine
at
idling
Without
disturbing
correctly
mbi
d
S
F
rod
Opeiationsliould
oecaTrie
f
bue
the
above
sclUng
ffiovTSelector
lever
AT
50
with
manual
and
selector
levers
in
through
N
to
D
to
2
to
I
Distance
A
N
and
to
R
A
slight
shock
should
be
More
than
21
5
mm
0
846
in
8
Connect
inhibitor
switch
wires
felt
by
hand
gripping
selector
each
time
transmission
is
shifted
Automatic
Transmission
4
Bolt
converter
to
drive
plate
Note
Align
chalk
marks
painted
a
cross
both
parts
during
disas
sembling
processes
AT116
Fig
AT
49
Torque
converter
aligning
cu
t
3
When
connecting
torque
can
A
ATl17
Notes
a
Refer
to
covering
topic
under
Checking
and
adjusting
inhibitor
switch
n
on
page
AT
49
b
Inspect
and
adjust
switch
as
above
whenever
it
has
to
be
removed
for
service
Fig
AT
50
Installing
torque
converter
9
Check
inhibitor
switch
for
op
eration
AT
34
Note
See
page
AT
49
for
checking
engine
idling
12
Check
to
be
sure
that
line
pres
sure
is
correct
To
do
this
refer
to
relative
topic
under
Testing
line
pres
sure
on
page
AT
52
13
Perform
stall
test
as
per
the
instructions
on
page
AT
50