with
the
pin
hole
of
the
internal
rotor
combined
with
the
manual
shaft
and
check
their
alignment
by
inserting
a
1
5
mm
0
059
in
diameter
pin
into
the
holes
If
the
alignment
is
correct
fasten
the
switch
body
with
the
bolts
pull
out
the
pin
tighten
up
the
screw
in
the
hole
and
fasten
the
selector
lever
as
before
Check
the
continuity
pin
with
the
lesler
If
Ihe
malfunc
tion
still
remains
replace
the
inhibitor
switch
STALL
TEST
The
purpose
of
this
test
is
to
check
the
transmission
and
engine
for
trou
ble
by
measuring
the
maximum
num
bers
of
revoiutions
o
the
cngine
while
vehicle
is
held
in
a
stalled
condition
The
carburetor
is
in
fullthrollle
opera
tion
with
the
selector
lever
in
ranges
1
2
and
I
respectively
Com
pale
the
measured
results
with
the
standard
values
Components
to
be
tested
and
test
itelJUl
I
Clutches
brake
and
band
in
trans
mission
for
slipping
2
Torque
converter
for
proper
func
tioning
3
Engine
for
overall
properly
STAU
TEST
PROCEDURES
Before
testing
check
the
engine
oil
and
torque
converter
oil
warm
up
the
engine
cooling
w
ter
to
suitable
tem
perature
by
running
at
1
200
rpm
with
the
selector
lever
in
the
range
P
for
sevcral
minutes
Warm
up
the
torque
converter
oil
to
suitable
temperature
60
to
lOOoC
140
to
2120F
I
Mount
the
engine
tachometer
at
a
location
that
allows
good
visibility
from
the
driver
s
seat
and
put
a
mark
on
specified
revolutions
on
the
meter
2
Secure
the
front
and
rear
wheels
with
chocks
and
apply
the
hand
brake
Be
SIIre
to
depress
the
brake
pedal
firmly
with
the
left
foot
before
de
pressing
the
accelerator
pedal
3
Throw
the
selector
lever
into
the
range
11
4
Slowly
depress
the
accelerator
pedal
until
the
throttle
valvc
is
fully
Automatic
Transmission
opened
Quickly
read
and
record
the
engine
revolution
when
the
engine
begins
to
rotate
steadily
and
then
release
the
accelerator
pedal
5
Shift
the
selector
lever
to
N
and
operate
the
engine
at
approxi
mately
1
200
rpm
for
more
than
one
minute
to
cool
down
the
torque
con
verter
oil
and
coolant
6
Make
similar
staU
tests
in
ranges
2
I
and
R
CAUTION
The
dill
test
operstion
81
specified
in
i18m
4
should
be
I118de
within
fiv
lIeonds
If
it
tBkes
too
long
the
oil
If
and
the
cluti
hn
blllke
and
b
nd
elll
ly
I
Suf
ficient
cooling
time
should
be
given
r
eech
test
for
the
four
IlInges
0
Z
1
end
R
JUDGEMENT
High
stall
revolution
more
than
staitdard
revolution
If
the
engine
levolulion
in
stall
condi
ion
is
higher
than
the
standard
values
it
indicates
that
onc
or
more
clutches
in
the
transmission
are
slipping
and
therefore
no
further
test
is
required
For
the
following
abnormalities
the
respective
causes
are
presumed
High
rpm
in
all
ranges
low
line
pr
ssure
High
rpm
in
0
2
and
I
and
normal
rpm
in
6R
Rear
clutch
slipping
High
rpm
in
D
and
2
and
normal
rpm
in
One
way
clutch
slipping
High
Ipm
in
R
only
Front
clutch
or
low
and
reverse
brake
slipping
To
determine
which
is
slipping
front
clutch
or
low
and
reverse
brake
a
road
test
is
needed
If
while
coasting
after
starting
with
the
levcr
in
I
range
engine
braking
does
not
work
properly
the
low
and
reverse
brake
is
slipping
Otherwise
the
front
clutch
is
slipping
Slipping
of
the
band
brake
is
diffi
cuJt
to
ascertain
However
jf
it
occurs
with
the
lever
in
1
range
engine
AT
41
revolution
increases
up
to
the
same
level
as
in
1st
range
It
is
impossible
to
check
it
in
the
stall
test
2
Standard
stall
rnoluiion
If
the
engine
revoluiion
in
stall
ondition
is
within
he
standard
values
the
control
elements
are
nOf
mally
operating
in
the
ranges
D
2n
I
and
R
Also
the
engine
and
one
way
clutch
of
the
torque
converter
are
norinal
in
performance
and
operation
The
one
way
clutch
of
the
torque
converter
however
sometimes
sticks
This
is
determined
in
the
road
test
3
Lower
stall
revolution
than
lIand
ard
revolution
If
the
engine
revolution
in
stall
condition
is
lower
than
the
standard
values
it
indicates
that
the
engine
is
in
abnormal
condition
or
the
torque
con
verter
s
one
way
clutch
is
slipping
4
O
hers
I
If
the
accelerating
performance
is
poor
until
vehicle
speed
of
approxi
mately
SO
kmfh
30
MPH
is
attained
and
then
normal
beyond
that
speed
it
can
be
judged
that
the
torque
con
verte
c
s
one
way
clutch
is
slipping
2
If
the
torque
converter
sane
way
dutch
sticks
vehicle
speed
can
not
exceed
approximately
80
kmfh
SO
MPH
in
the
road
tesl
In
such
a
case
the
torque
converter
oil
tem
perature
rises
abnormally
and
so
special
care
is
required
3
If
the
transmission
does
not
op
erate
properly
at
all
vehicle
speeds
it
indicates
poor
engine
performance
ROAD
TEST
An
accurate
knowledge
of
the
au
to
matic
transmission
is
required
for
an
exact
diagnosis
II
is
recommended
that
a
diagnosis
guide
chart
with
the
standard
vehicle
speeds
for
each
stage
of
the
up
and
down
shiftings
be
prepared
Measured
vehicle
speeds
are
to
be
filled
in
the
adjoining
column
after
each
testing
Also
it
is
advisable
to
mount
a
stopper
for
positioning
the
throttle
opening
CHECKING
SPEED
CHANGING
CONDITION
The
driver
s
feeling
during
gear
changes
should
also
be
checked
atten
lively
J
A
sharp
shock
or
unsrnoothness
is
felt
duting
a
gear
change
Tlus
indicates
that
the
throttle
pres
sure
is
too
high
or
some
valve
con
nected
to
the
throttle
is
faulty
2
A
gear
change
is
made
with
a
long
and
dragging
feeling
This
indicates
that
the
throttle
pres
sure
is
too
low
or
some
valve
con
nected
to
the
throttle
is
faulty
Automatic
Transmission
CHECKING
ITEMS
DURING
SPEED
CHANGE
I
In
D
range
gear
changes
DJ
D
D3
are
effected
In
R
range
the
speed
does
not
increase
2
The
kickdown
operates
properly
3
By
moving
the
lever
from
D
to
I
gearchangesD3
2
1
1
are
effected
In
the
ranges
j
and
I
the
engine
braking
works
prop
erly
4
In
I
the
speed
does
not
in
crease
S
Should
be
quickly
fixed
at
2
SHI
SCHEDULE
Non
Cellfornla
models
Sedan
end
Hetchbeck
1
2
1
l
2
I
I
2
L
3
1
1
1
0
E
I
Kickdown
range
I
T
7
87f
1
500
2
000
2
500
Output
shaft
speed
rpm
km
h
9
1P
29
30
4
0
50
6
0
70
80
MPH
6
1
0
io
30
40
5
0
California
models
All
models
and
Non
Callfornie
models
Wegon
0
E
c
E
3
00
11
81f
5
400
u
a
15
75
0
u
If
z
5
0
0
19
69
0
500
I
c
I
100
3
94
E
I
1
000
I
Kickdown
range
1
2
1
2
1
2
2
3
2
0
0
7
87
E
c
E
300
11
81
5
400
15
75
a
500
0
19
0
0
i
z
km
h
9
MPH
6
3
1
1
1
1
11
12
1
1
1
range
6
In
P
vehicle
can
be
parked
properly
If
any
malfunction
occurs
in
second
gear
during
the
road
test
thai
is
if
vehicle
shakes
drags
or
slings
while
shifting
up
from
D
directly
to
D3
or
in
shifting
up
from
D
to
D
the
braKe
band
should
be
ad
justed
If
these
troubles
remain
after
the
brake
band
is
adjusted
check
the
servo
piston
seal
for
oil
leakage
2
32
3
3
0
00
4
000
3
50
0
9
0
60
100
AT434
2
321
3
500
1
000
1
500
2
600
2
50
0
3
600
3
500
4
000
Output
shaft
speed
rpm
10
20
30
40
50
6
0
70
80
90
100
1
0
io
3
0
4
0
50
60
AT435
Fig
A
T
86
Shift
Schedule
AT
43
LlNE
PRESSURE
TEST
When
any
slipping
occurs
in
clutch
or
brake
or
the
feeling
during
a
speed
change
is
not
correct
the
line
pressure
must
be
checked
Measuring
line
pressure
is
done
by
a
pressure
gatqle
attached
to
pressure
measuring
holea
after
removing
blind
pluga
locate
d
at
transmission
case
The
line
pressure
measurement
is
begun
at
idling
and
taken
step
by
step
by
enlarging
the
throttle
opening
Automatic
Transmission
For
line
pressure
data
when
shift
ing
gem
refer
to
Road
Test
1
A
sharp
shock
in
up
shifting
or
too
high
changing
speeds
are
caused
mostly
by
too
high
throttle
pressure
2
Slipping
or
incaPability
of
opera
tion
is
mostly
due
to
oil
pressure
leakage
within
the
gear
trains
or
spool
valve
LINE
PRESSURE
GOVERNOR
FEED
PRESSURE
Non
Cellfornill
models
Seden
and
Halchbeck
At
idling
Range
At
stall
test
R
Une
pressure
kg
em
psi
Range
3
0
to
5
5
43
to
7S
3
0
to
4
0
43
to
57
6
0
to
12
0
S5to
171
o
2
R
D
3
0
to
4
0
43
to
57
2
snSOSSOOI
CD
AT454
1
Line
pressure
2
Governorpressure
3
Servo
release
prenure
Fig
AT
87
Mecuuring
Line
Pre
Line
pressure
kg
cm2
psi
14
0
to
16
0
199
to
22S
94
to
11
0
134
to
156
10
0
to
12
0
142
to
171
94
to
11
0
134
to
156
At
idling
California
models
All
models
end
Non
Callfornill
modela
Wa
on
At
stall
test
R
Line
pressure
kg
cm
psi
Range
Range
R
o
4
2
to
5
6
60
to
SO
3
2
to
3
S
46
to
54
D
2
6
0
to
II
7
S5
to
166
2
3
2
to
3
S
46
to
54
AT44
Une
pressure
kg
cm2
psi
143
to
16
2
203
to
230
9
9
to
11
1
141
to
15S
10
2
to
II
7
145
to
166
9
9
to
11
1
14110
15S
JUDGEMENT
IN
MEASURING
LINE
PRESSURE
Low
idling
line
pressure
in
the
ranges
D
2
R
and
P
This
can
be
attributed
to
trouble
in
the
pressure
supply
system
or
too
low
output
of
power
caused
by
I
A
worn
oil
pump
2
An
oil
pressure
leak
in
the
oil
pump
valve
body
or
case
3
A
sticking
regulator
valve
2
Low
idling
line
pressure
i
n
cer
tain
ranges
only
This
is
presumably
caused
by
an
oil
leak
in
the
devices
or
circuits
con
nected
to
the
relevant
ranges
I
When
there
is
an
oil
leaJi
in
the
rear
clutch
and
governor
the
line
pressure
in
on
2
and
I
are
low
but
the
pressure
i
nonnal
in
R
2
When
an
oil
leak
occurs
in
the
low
and
reverse
brake
circuit
the
line
pressure
in
oR
and
P
are
low
b
t
the
pressure
is
normal
in
0
2
and
I
3
High
idling
line
pressure
Thi
is
presumably
caused
by
an
increased
aC
1ulT
t
rott
e
pr
ssure
owing
to
a
leak
in
the
vacuum
tube
or
diaphragin
or
by
an
increased
line
Automatic
Transmission
pressure
due
to
a
sticking
regulator
valve
Vacuum
leakage
is
checked
by
directly
measuring
the
negative
pres
sure
after
removing
the
vacuum
pipe
A
puncture
of
the
vacuum
dia
phragm
can
be
easily
ascertained
because
the
torque
converter
oil
is
absorbed
into
the
engine
and
the
exhaust
pipe
emits
white
smoke
4
Item
to
be
checked
when
the
Ii
e
pressure
is
increasing
In
this
c
1eck
the
line
pressure
should
be
measured
with
vacuums
of
300
mmHg
Il
SI
inHg
and
0
mmHg
0
inHg
in
accordance
with
the
staIl
test
procedure
i
If
the
line
pressure
does
not
in
crease
despite
the
vacuum
decrease
check
whether
the
vacuum
rod
is
i
corporated
2
If
the
line
pressure
does
not
meet
tile
standard
iUs
caused
mostly
by
a
sticking
pressure
regulating
valve
pres
sure
regulating
valve
plug
or
amplifier
TROUBLE
SHOOTING
CHART
INSPECTING
ITEMS
I
Inspection
with
automatic
trans
mission
on
vehicle
AT
45
A
Oil
level
B
Range
select
linkage
C
Inhibitor
switch
and
wiring
D
Vacuum
diaphragm
and
piping
E
Downshift
solenoid
kickdown
switch
and
wiring
F
Engine
idling
rpm
G
Oil
pressure
throttle
H
Engine
stall
rpm
I
Rear
lubrication
J
Control
valve
manual
K
Governor
valve
L
Band
servo
M
Transmission
air
check
N
Oil
quality
o
Ignition
switch
and
starter
motor
P
Engine
adjustment
and
brake
in
spection
2
Inspection
after
inspecting
auto
matic
transmission
on
vehicle
m
Rear
clutch
n
Front
clutch
q
Band
brake
r
Low
and
reverse
brake
s
Oil
pump
t
Leakage
of
oil
passage
u
One
way
clutch
of
troque
converter
v
One
way
clutch
of
transmission
w
Front
clutch
check
ball
x
Parking
linkage
y
Planetary
gear
Automatic
Transmission
Trouble
ABeD
E
FG
H
1
J
KL
MNOP
mnqr
8
t
u
v
w
x
y
No
shock
at
change
from
I
to
2
6
7
5
@
@
lange
or
engine
races
extlemely
1
2
3
4
1
Failure
to
change
from
3rd
to
2nd
1
2
4
7
6
3
@@
@
when
shifting
lever
into
I
range
Engine
brake
does
not
operate
in
1
2
4
5
3
@
I
range
Gear
change
from
1st
to
2nd
or
from
2nd
to
3rd
in
1
1
2
@
range
Does
not
change
from
200
1
2
4
5
6
7
3
@
@
to
lst
in
1
range
Large
shock
changing
from
2nd
1
2
4
3
@
to
lst
in
I
range
Vehicle
moves
when
changing
into
P
range
or
pinking
gear
doe
1
2
not
disengage
when
shifted
out
of
P
range
Transmission
overheats
1
3
4
2
6
8
7
5
@@@
@@@
@
Oil
shoots
out
during
operation
White
smoke
emitted
from
exhaust
1
3
5
6
2
7
8
4
@@@
@@@
@
pipe
during
operation
Offensive
smeU
at
oil
charging
pipe
1
2
@@@@
@@
@i
Transmission
noise
in
p
and
ON
1
2
@
ranges
Transmission
noise
in
D
i
I
1
2
@
@
@
@
and
R
langes
AT
48
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
Oldel
Others
Automatic
Transmission
Test
item
4
Shift
down
Or
O
O
5
Shift
down
Or
I
1
6
Shift
down
0
2
7
Shift
up
1
1
8
Shift
up
or
down
when
start
ing
in
2
ranae
9
Parking
Abnormal
shock
oil
leakage
Procedure
Check
vehicle
speeds
and
engine
rpm
in
shifting
down
from
3rd
2nd
1st
sequentiaUy
while
coasting
with
accelerater
pedal
released
in
0
range
and
engine
vacuum
pressure
of
about
450
mmHg
17
72
inHg
Check
for
shifti
ng
do
n
I
I
nd
engine
blaking
and
further
for
shifting
down
I
I
and
engine
braking
tel
shifting
the
leyer
into
I
range
with
the
accelerator
pedal
released
and
the
engine
vacuum
pressure
of
0
mmHg
0
inHg
while
driving
at
about
50
km
h
30
MPH
in
0
range
Check
for
quick
shifting
down
OJ
2
and
engine
braking
after
shifting
the
lever
into
2
range
while
driving
at
about
50
km
h
30
MPH
in
0
range
Further
chec
for
locking
of
the
transmission
i
2nd
gear
ratio
regardless
of
vehicle
sPeed
Check
for
failure
of
the
transmission
to
shift
up
during
acceleration
when
starting
in
range
Check
the
transmission
for
not
shifting
up
or
down
during
acceleration
or
deceleration
when
starting
in
2
range
Confirm
that
yehicle
will
notmoye
on
grade
when
shifting
to
pn
range
Enter
into
record
conditions
observed
durq
these
lests
such
as
gear
noise
abnormal
clutch
noise
and
acceleration
performance
AT
50
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