set clock FORD MUSTANG 1969 Volume One Chassis

03-09-07

Saginaw Design Integral Power Steering Gear

03-09-07

VALVE SPOOL

DAMP EN
ERO-RING

TORSION BAR

G 1633-A

FIG. 18 —Removing Spool

from Valve Body

7.
Dip three new valve body O-

rings and teflon rings in C1AZ-

19582-A lubricant. Install the O-rings

on the valve body being careful not to

twist them. Slide the three teflon rings

into place over the O-rings being care-

ful not to stretch them any more than

necessary.

8. Lubricate a new dampener O-

ring and install it in the spool groove.

9. Assemble the stub shaft in the

valve body making sure that the

groove in the cap engages the pin in

the body. Tap the cap lightly with a

soft-faced hammer to seat it in the

valve body.

10.
Dip the valve spool in C1AZ-

19582-A. With the notch of the spool

toward the valve body, carefully slide

the spooi over the shaft and into the

body rotating it slightly to permit easy

entry. Make sure that the dampener

O-ring is distributed evenly to prevent

TEFLON RING
damage. Guide the spool to engage

the notch with the dowel in the body.

11.
Place the spool spring on the

stub shaft with the larger diameter

toward the spool. Work the small end

of the spring down over the shaft until

the small end is seated in the groove

of the stub shaft.

12.
If, during the assembly of the

valve, the stub shaft and end cap as-

sembly is allowed to slip out of en-

gagement with the valve body pin, the

spool will be permitted to enter the

valve body too far. The dampener O-

ring seal will expand into the valve

body fluid grooves preventing with-

drawal of the spool. Attempt to with-

draw the spool with a slight pull and

much rotary motion. If this does not

free the spool after several tries, make

sure that the spool is free to rotate;

place the valve body on a flat surface

with the notched end up, and tap the

spool with a wooden or plastic rod

until the O-ring seal is cut and the

spool can be removed. Replace the

dampener O-ring seal and proceed

with the assembly procedure as be-

fore.

RACK-PISTON

1.
Cut the teflon ring and the O-

ring from the piston.

2.
Place the assembly on a clean

lint-free cloth and remove the screws

that attach the ball return guide clamp

to the rack piston and remove the

clamp (Fig. 19).

3.
Lift the ball return guides from

the rack-piston.

4.
Remove Tool T65P-3D517-A

from the piston and remove the re-

maining balls.

5.
Thoroughly clean all parts.

END PLUG

RACK PI STON

DARK COLORED BALLS

(11 REQUIRED)

V

0-RING

POLISHED BALLS

(II REQUIRED)

BALL RETURN GUIDE

CLAMP

B

G1296. A
6. Lubricate a new O-ring and tef-

lon ring. Install the O-ring on the pis-

ton being qareful not to twist it. Slide

the teflon ring into place being careful

not to stretch it any more than neces-

sary.

7.
Slide worm (Fig. 20) fully into

the rack-piston. Load 16 balls into the

guide hole nearest the teflon ring

while slowly rotating the worm count-

erclockwise to feed the balls through

circuit. Alternate the dark colored

balls with the polished balls through

the circuit.

TEFLON RING

FIG. 19—Rack-Piston Disassembled
G 1632-A

FIG. 20—Assembling Rack Piston

Apply Lubriplate liberally to one of

the ball return guides and install the

six remaining balls in the guide. Place

the other half of the guide in position

and insert them into holes in the

rack-piston. Be sure that the dark ball

in the guide is installed next to the

polished ball in the rack-piston. Install

the ball return guide clamp with

screws and lock washers. Tighten the

screws to 8-12 ft-lbs.

8. The worm groove is ground with

a high point in the center. V/hen the

rack-piston passes over this high point

there should be a preload of 1-4 in-

lbs.
Clamp the rack-piston in a vise

with soft jaws with the worm shaft

pointing up. To avoid distortion, do

not tighten the vise too tight.

9. Place the valve assembly on the

worm, engaging the worm drive pins.

Rotate the worm until it extends 1

1/4 inch from the rack-piston to the

thrust bearing face. This is the center

position.

10.
Place an in-lb torque wrench

with a 3/4-inch-deep wall 12-point

socket on the stub shaft, and rotate

the wrench through an arc of approxi-

mately 60 degrees in both directions

several times, then take a torque read-

ing. The highest average reading ob-

tained with the worm rotating should

be between 1-4 in-lbs.

11.
If this reading is too high or

too low a new set of balls should beprocarmanuals.com

07-01-09

General Transmission Service

07-01-09

For example, on a C4 transmission,

if the pressure at 10 inches of vacuum

was 120 psi and the pressure at 1.0

inch of vacuum was 170 psi, and up-

shifts and downshifts were harsh, a di-

aphragm adjustment to reduce the di-

aphragm assembly spring force would

be required.

If the pressure readings are low, an

adjustment to increase diaphragm

spring force is required.

To increase control pressure, turn

the adjusting screw in clockwise to re-

duce control pressure, back the adjust-

ing screw out by turning it counte-

rclockwise. One complete turn of the

adjusting screw (360 degrees) will

change idle line control pressure ap-

proximately 2-3 psi. After the adjust-

ment is made, install the vacuum line

and make all the pressure checks as

outlined in the Specification Section.

The diaphragm should not be ad-

justed to provide pressure below the

ranges shown in the Specification Sec-

tion in order to change shift feel. To

do so could result in soft or slipping

shift points and damage to the trans-

mission.

ALTITUDE

COMPENSATING TYPE

The altitude—compensating di-

aphragm is provided with an adjust-

ment screw located in the vacuum

connecting tube (Fig. 15). The adjus-

table feature allows control and TV

pressures to be adjusted (within limits)

to correct soft or harsh shift feel.

Control and TV pressures are in-

creased or decreased by turning the

adjusting screw.

Before replacing or adjusting the di-

aphragm, it must first be determined

that the pressure or vacuum is actual-

ly out of specification and that the

cause of the problem is not due to

other items within the transmission or

vacuum connecting lines.

If the tests outlined in the Specifi-
cation Section have been performed

and pressures are within specification

but shift feel is unsatisfactory, or if

the pressure is too high or too low at

10 inches of vacuum, the vacuum di-

aphragm may be adjusted to improve

the shift feel.

If shifts are excessively harsh, the

diaphragm should be adjusted to re-

duce control pressure by backing off

the adjusting screw (counterclock-

wise).
If shift quality is extremely soft,

control pressure should be increased

by turning the adjusting screw inward

(clockwise).

To adjust the vacuum diaphragm to

compensate for harsh shift quality,

first check control pressure in D, 2

and 1 at 10 inches manifold vacuum

and note the pressure reading ob-

tained. Remove the T-fitting from the

vacuum hose and back off the adjust-

ing screw (counterclockwise) by one

full turn. Each full turn will reduce

control pressure by approximately 2

1/2 psi at 10 inches of vacuum. Test

the vehicle for shift feel. If shift quali-

ty is still harsh, a further adjustment

should be made to reduce control

pressure. However, control pressure

should not be reduced below the speci-

fication shown for 10 inches of vacu-

um. If control pressure has been re-

duced to the low limit and shift feel is

still excessively harsh, the clutches and

band should be checked for correct

operation.

To adjust the vacuum diaphragm to

compensate for extremely soft shifts,

record the control pressure reading at

10 inches of vacuum in D, 2 and 1,

then make an initial adjustment of

one full turn inward (clockwise). Test

the vehicle for shift feel and again ad-

just the diaphragm, if necessary. Con-

trol pressure at 10 inches of vacuum

must not exceed the high limit shown

in the Specification Section.

When the necessary adjustments

have been completed and shift feel is

satisfactory, repeat all the tests out-

ADJUSTING

SCREW

PRIMARY

THROTTLE VALVE
DIAPHRAGM

SPRING

D 1639-A

FIG. 15—Altitude Compensating Type Vacuum Diaphragm
lined in the Specification Section. All

tests must be within specifications.

The adjustable vacuum unit must not

be used to allow for adjusting control

or TV pressures that are out of speci-

fications. If these pressures are found

to be out of specifications the cause

must be determined and corrected bef-

ore making any adjustment.

NEUTRAL START SWITCH

ADJUSTMENT AND

REPLACEMENT—COLUMN SHIFT

There are two types of column-

mounted neutral start switches: A and

B.
Type A switch has a parking brake

brake-release vacuum valve. Type B

switches do not have a vacuum valve.

The switches differ in appearance but

not in operation. Both switches are

actuated by a removable steel lever,

which is installed in the shifter tube

within the steering column assembly.

The following procedures outline the

steps necessary to correctly adjust and

replace the neutral start switch.

SWITCH ADJUSTMENT

Neutral Position

1.
With the selector lever held light-

ly against the neutral stop, attempt to

start the engine. If the engine starts

while holding the lever but does not

start when the lever is released, the

shift linkage should be adjusted. If the

engine does not start in either condi-

tion, adjust the switch.

2.
To adjust the switch in neutral,

place the transmission selector lever

against the stop of the neutral detent

position.

3.
Loosen the two retaining screws

that locate the switch on the steering

column (Fig. 16).

4.
With the selector lever against

the neutral stop, rotate the switch

until a start in the neutral position is

obtained. Then, tighten the switch at-

taching screws to 20 in-lbs torque.

5.
With the switch properly adjust-

ed in neutral, place the selector lever

in the 1 position and push the park

reset button (Fig. 16) to the left

(counterclockwise) until it stops. The

park reset must be performed when-

ever the switch has been adjusted.

Park Position

1.
Place the selector lever in the

park position, release the lever and at-

tempt to start. If the engine does not

start, reset the park adjustment.procarmanuals.com

07-01-10
General Transmission Service

07-01-10

2.
To adjust the switch for the park

position, place the transmission selec-

tor lever in 1 and push the park reset

button (Fig. 16) to the left (counter-

clockwise) until it stops.

3.
Check the operation of the

switch in each selector lever position.

The starter should engage in only the

neutral and park positions. Be sure to

perform
the
park reset
if for any rea-

son
the
neutral switch
is
adjusted.

If,
after performing
the
switch
ad-

justments,
the
starter still will
not en-

gage
in the
neutral
or
park positions,

replace
the
switch. Never replace
the

neutral switch until
the
switch adjust-

ments have been made.

SWITCH REPLACEMENT

1.
Disconnect the neutral start

switch wires at the plug connector.

2.
Disconnect the vacuum hoses, if

so equipped.

3.
Remove the two screws securing

the neutral start switch to the steering

column and lift the switch from the

column.

Check the column to be sure the

metal switch actuator is secure to the

shift tube and that it is seated as far

forward against the shift tube bearing

as is possible. Also check for a broken

or damaged actuator. If it is broken

or damaged, replace it as shown in

Figure 17.

4.
Before installing a new switch to

the column, check to see that the red

neutral position gauge inserted in the

neutral pinning hole. If the pin is

missing, align the two holes at the

neutral pinning hole on top of the

switch and install a No. 43 drill or

0.092-0.093 inch gauge pin.

5.
While holding the selector lever

against the stop in the neutral detent
ACTUATOR LEVER INSTALLED

WHEN INSTALLING
THE
ACTUATOR

LEVER
BE
SURE THAT
IT
1$ SEATED

AS
FAR
FORWARD AGAINST
THE
SHIFT

TUBE BEARING
AS IS
POSSIBLE.
FORWARD

D2019-A

FIG. 17—Removing
or
Installing Neutral Start Switch Actuator Lever

position, place the switch on the col-

umn and install the two attaching

screws. Tighten the screws to 20 in-lbs

torque.

6. Remove the gauge pin (or No.

43 drill if used).

7.
Connect the switch wires to the

plug connector and check for a start

in the neutral position. The starter

should engage with the selector lever

against the neutral stop. If not, loosen

the attaching screws and move the

switch just enough to engage the start-

er. Tighten the screws to 20 in-lbs tor-

que.

8. With the switch properly adjust-
ed in neutral, push the park reset but-

ton (Fig. 16) to the left (counterclock-

wise) until it stops. The park reset

must be performed whenever the

switch has been adjusted or replaced.

9. To adjust the switch for the park

position, place the transmission selec-

tor lever in 1 and push the park reset

button (Fig. 16) to the left (counter-

clockwise) until it stops.

10.
Connect the vacuum hoses to

the switch, if so equipped.

11.
Check the operation of the

switch in each selector lever position.

The starter should engage in only the

neutral and park detent positions.

NEUTRAL SWITCH-TYPE
A

(USED
ON
VEHICLES WITH VACUUM

OPFRATED PARKING BRAKE)
NEUTRAL SWITCH-TYPIE
B

(USED
ON
VEHICLES WITHOUT VACUUM

OPERATED PARKING BRAKE)

ATTACHING

FIG.
16—Ad
justing Neutral Switch—Column Shift
D2018-Aprocarmanuals.com

07-01-12
General Transmission Service

07-01-12

the transmission,
any
metal particles

or clutch plate
or
band material that

may have been carried into
the
cooler

should
be
removed from
the
system
by

flushing
the
cooler
and
lines before

the transmission
is put
back into serv-

ice.
In no
case should
an
automatic

transmission having
a
clutch
or
band

failure
or
other internal trouble result-

ing
in
fluid contamination,
be put

back into service without first flushing

the transmission
oil
cooler.

To flush
the oil
cooler, follow
the

instruct!
on >
provided with
the
Rotun-

da Automatic Transmission Torque

Converter
and
Cooler Cleaner
LRE-

60081.

INSPECTION

TURBINE
AND
STATOR
END

PLAY CHECK

A special tool
(Fig. 19)
must
be

used
to
check
the
condition
of the

converter. This special tool
is
used
to

check
the
turbine
and
stator
end
play

and
the
operation
of the
one-way
sta-

tor clutch.

CRUISE-O-MATIC

Too/-T58L-7902-A

C-4 AND C-6 TRANSMISSION

Tool-T59P.7902.Bor 7937-B

ON C-4 AND C-6 TRANSMISSION

Tool-T64L-7902-A
D
1499-E

FIG. 19—Converter Checking Tool

1.
Insert
the
tool (Fig.
19)
into
the

converter pump drive
hub
until
it
bot-

toms.

2.
Install
the
guide over
the con-

verter pump drive
hub.
3.
Expand
the
split fiber bushing
in

the turbine spline
by
tightening
the

adjusting
nut.
Tighten
the
adjusting

nut until
the
tool
is
securely locked

into
the
spline.

4.
Attach
a
dial indicator
to the

tool (Fig.
20 or
21). Position
the
indi-

cator button
on a
converter pump

drive
hub, and set the
dial face
at 0

(zero).

5.
Lift
the
tool upward
as far as it

will
go and
note
the
indicator reading.

The indicator reading
is the
total
end

play which
the
turbine
and
stator

share.
If the
total
end
play exceeds

the limits specified
in
Part 7-5, replace

the converter unit.

6. Loosen
the
adjusting
nut to
free

the split bushing,
and
then remove
the

tool from
the
converter.

STATOR ONE-WAY CLUTCH

CHECK

1.
Install
the
stator outer race hold-

ing tool
in one of the
four holes
pro-

vided
in the
stator (Fig.
20 or 21).

2.
Insert
the
tool
in the
converter

pump drive hub.
As the
tool enters
the

converter,
the
pins will engage
the sta-

tor clutch inner race spline.

3.
Place
a
torque wrench
on the

tool (Fig.
20 or
21).
The
tool (and
sta-

tor inner race) should turn freely

clockwise (from
the
pump drive
hub

inside
the
converter).
It
should lock
up

and hold
a 10
ft-lb pull when
the

wrench
is
turned counterclockwise.

Try
the
clutch
for
lockup
and
hold
in

at least five different locations around

the converter.
On
the
C4
or C6
Auto-

matics,
the
metal ring holding
the

locking tool will have
to be
held
by

hand during this check.

4.
If the
clutch fails
to
lock
up and

hold
a 10
ft-lb torque, replace
the

converter unit.

STATOR
TO
IMPELLER

INTERFERENCE CHECK

1.
Position
the
front pump assem-

bly
on a
bench with
the
spline
end of

the stator shaft pointing
up
(Fig.
22).

2.
Mount
a
converter
on the
pump

so that
the
splines
on the
one-way

clutch inner race engage
the
mating

splines
of the
stator support,
and the

converter
hub
engages
the
pump drive

gear.

3.
While holding
the
pump station-

ary, try
to
rotate the converter counter-

clockwise.
The
converter should
ro-

tate freely without
any
signs
of
inter-

ference
or
scraping within
the
convert-

er assembly.
4.
If
there
is an
indication
of
scrap-

ing,
the
trailing edges
of the
stator

blades
may be
interfering with
the

leading edges
of the
impeller blades.

In such cases, replace
the
converter.

STATOR
TO
TURBINE

INTERFERENCE CHECK

1.
Position
the
converter
on the

bench front side down.

2.
Install
a
front pump assembly
to

engage
the
mating splines
of
the
stator

support
and
stator,
and
pump drive

gear lugs.

3.
Install
the
input shaft, engaging

the splines with
the
turbine
hub (Fig.

23).

4.
While holding
the
pump station-

ary, attempt
to
rotate
the
turbine with

the input shaft.
The
turbine should
ro-

tate freely
in
both directions without

any signs
of
interference
or
scraping

noise.

5.
If
interference exists,
the
stator

front thrust washer
may be
worn,
al-

lowing
the
stator
to hit the
turbine.
In

such cases,
the
converter must
be re-

placed.

The converter crankshaft pilot

should
be
checked
for
nicks
or dam-

aged surfaces that could cause inter-

ference when installing
the
converter

into
the
crankshaft. Check
the con-

verter front pump drive
hub for
nicks

or sharp edges that would damage
the

pump seal.

OUTPUT SHAFT
AND

PRIMARY
SUN
GEAR SHAFT

(FMX TRANSMISSION)

1.
Inspect
the
thrust surfaces
and

journals
for
scores. Inspect
the
inter-

nal gear
for
broken
or
worn teeth.

2.
Inspect
the
aluminum sleeve
for

scores
or
leakage. Inspect
the
ring

grooves
for
burrs.

3.
Inspect
the
keyway
and
drive

ball pocket
for
wear,
and
inspect
the

splines
for
burrs, twist
or
wear.

4.
Inspect
the
output shaft sleeve

for alignment with
the
governor drive

ball (Fig.
24).

5.
Inspect
the
external parking gear

teeth
for
damage
and the
speedometer

drive gear teeth
for
burrs.

6.
If
either
the
output shaft
or
ring

gear
has
been replaced, place
the as-

sembled unit with
the
gear face down

on
the
bench, push
the
shaft down-

ward,
and
check
the
clearance
be-

tween
the top of the
snap ring
and its

groove
(Fig. 25).
If
this clearance
ex-

ceeds 0.002 inch, replace
the
snap ring

with
a
thicker ring
to
reduce
the
clear-

ance
to
less than 0.002 inch. Selectiveprocarmanuals.com

07-03-28
FMX Transmission

07-03-28

CENTER

SUPPORT
ROTATE

CARRIER

COUNTER

CLOCKWISE

SAWTEETH IN

CLOCKWISE

DIRECTION

MOVE ROLLER

TOWARD CENTER

D 1291-D

FIG. 56—Planetary Clutch Installation in Carrier—Center Support

Not Chamfered
er between the large internal gear and

the transmission case. Note the indi-

cator reading. End play should be

0.010-0.029 inch (minimum end play

is preferred).

4.
Remove the indicator and the

tool from the extension housing.

5.
Install the one remaining front

pump attaching bolt and torque it to

specification.

FRONT SERVO

1.
Position the front band forward

in the case with the band ends up.

2.
Position the servo strut with the

slotted end aligned with the servo act-

uating lever, and with the small end

aligned with the band end. Rotate the

band, strut, and servo into position

engaging the anchor end of the band

with the anchor pin in the case.

3.
Locate the servo on the case, and

install the attaching bolts. Tighten the

attaching bolts only two or three

threads.

4.
Install the servo release tube.

REAR SERVO

12.
Install the output shaft, careful-

ly meshing the internal gear with the

pinions.

REAR SUPPORT

1.
Position the needle bearing and

retainer on the rear support (Fig. 24).

2.
Position a new rear support to

case gasket on the rear support. Re-

tain the gasket with transmission

fluid.

3.
Install the rear support. As the

support is installed, insert the tubes

into the case.

GOVERNOR

1.
Position the governor drive ball

in the pocket in the output shaft. Re-

tain the ball with transmission fluid.

2.
Install the governor assembly, al-

igning the groove with the ball in the

output shaft.

3.
Install the governor with the gov-

ernor body plate toward the front of

the vehicle (Fig. 23). Install the gover-

nor snap ring

EXTENSION HOUSING

1.
Insert the extension housing oil

seal re placer and pilot in the housing.

Position a new gasket to the extension

housing and install the extension

housing on the transmission case.

Coat the bolt threads with B5A-
19554-A sealer and install the exten-

sion housing attaching bolts, breather

tube clip, vacuum tube clip, and exter-

nal tooth lock washer. The lock wash-

ers must be installed with the rolled

edge toward the transmission case to

insure a tight seal.

2.
Torque the extension housing at-

taching bolts to specification.

3.
Install the lubrication tube.

FRONT PUMP

1.
Position a new front pump gask-

et in the counterbore of the transmis-

sion case.

2.
Install the front pump, aligning

the pump bolt holes with the holes in

the case. Install three of the front

pump attaching bolts and torque them

to specification.

TRANSMISSION END

PLAY CHECK

1.
Mount the dial indicator support

in a front pump bolt hole. Mount a

dial indicator on the support so that

the contact rests on the end of the tur-

bine shaft.

2.
Use a large screwdriver to pry

the front of the clutch drum toward

the rear of the transmission. Set the

dial indicator at zero.

3.
Remove the screwdriver and pry

the units toward the front of the

transmission by inserting a screwdriv-
1.
Position the servo anchor strut,

and rotate the rear band to engage the

strut.

2.
Position the servo actuating lever

strut with a finger, and then install the

servo and attaching bolts. Torque the

bolts to specification.

3.
Install the front servo apply

tube.

PRESSURE REGULATOR

BODY

1.
Install the pressure regulator

body and attaching bolts, and torque

the bolts to specifications.

2.
Install the control and converter

valve guides and springs. Install the

spring retainer.

CONTROL VALVE BODY

1.
Install the control valve assem-

bly, carefully aligning the servo tubes

with the control valve. Align the inner

downshift lever between the stop and

the downshift valve. Shift the manual

lever to the 1 position. Align the man-

ual valve with the actuating pin in the

manual detent lever. Do not tighten

the attaching bolts.

2.
Move the control valve body

toward the center of the case until the

clearance is less than 0.050 inch be-

tween the manual valve and the act-

uating pin on the manual detent lever.

3.
Torque the attaching bolts toprocarmanuals.com

07-04-18
C-6 Automatic Transmission
07-04-18

16.
Position the manual and down-

shift control rod splash shield to the

frame side rail and secure it with the

attaching bolts.

17.
Connect the speedometer cable

to the extension housing.

18.
Connect the vacuum hose to the

vacuum diaphragm and secure with a

clamp.

19.
Connect the two oil cooler lines

to the fittings on the right side of the

case.
20.
Install the cooler lines under

the clip at the cylinder head.

21.
Position the reinforcement plate

and torque the attaching bolts.

22.
Install the equalizer and park-

ing brake cables. Install the equalizer

lever retracting spring.

23.
Install the drive shaft.

24.
Install a new seal on the filler

tube and install it in the transmission

case.
Secure the filler tube to the cyl-

inder head.
25.
Install the starting motor and

connect the cable.

26.
Install the idler arm bracket-

to-frame side rail.

27.
Lower the vehicle.

28.
Fill the transmission to the cor-

rect level with the specified fluid.

29.
Adjust the manual and throttle

linkage as required.

MAJOR REPAIR OPERATIONS

DISASSEMBLY OF

TRANSMISSION

1.
Mount the transmission in hold-

ing fixture T64L-6001-A (Fig. 22).

2.
Remove the 17 fluid pan attach-

ing bolts. Remove pan and gasket.

3.
Remove the 8 valve body attach-

ing bolts (Fig. 23). Lift the valve body

from the transmission case.

4.
Attach a dial indicator to the

front pump as shown in Fig. 24. In-

stall tool T61L-7657-B in the exten-

sion housing to center the shaft.

5.
Pry the gear train to the rear of

the case and at the same time, press

the input shaft inward until it bottoms

(Fig. 24). Set the dial indicator to

read zero.

6. Pry the gear train forward (Fig.

24) and note the amount of gear train

end play on the dial indicator. Record

the end play to facilitate assembling

the transmission. Remove the dial in-

dicator from the pump and the tool

from the extension housing.

7.
Remove the vacuum diaphragm,

rod and the primary throttle valve

from the case. Slip the input shaft out

of the front pump.

8. Remove the front pump attach-

ing bolts. Pry the gear train forward

as shown in Fig. 25 to remove the

pump.

9. Loosen the band adjustment

screw and remove the two struts.

10.
Rotate the band 90 degrees co-

unterclockwise to align the ends with

the slot in the case (Fig. 26). Slide the

band off the reverse-high clutch drum.

11.
Remove the forward part of the

gear train as an assembly as shown in

Fig. 27.

12.
Remove the large snap ring that

secures the reverse planet carrier in

the low-reverse clutch hub. Lift the

planet carrier from the drum.

13.
Remove the snap ring (Fig. 28)

that secures the reverse ring gear and
D16Q3-B

FIG. 22—Transmission Mounted in Holding Fixture

hub on the output shaft. Slide the ring

gear and hub off the shaft.

14.
Rotate the low-reverse clutch

hub in a clockwise direction and at

the same time, withdraw it from the

case.

15.
Remove the reverse clutch snap

ring from the case, then remove the

clutch discs, plates and pressure plate

from the case.

16.
Remove the extension housing

attaching bolts and vent tube from the

case.
Remove the extension housing,

and gasket.

17.
Slide the output shaft assembly

from the transmission case.
18.
Remove the distributor sleeve

attaching bolts and remove the sleeve,

parking pawl gear and the thrust

washer.

If the thrust washer is staked in

place, use a sharp chisel and cut off

the metal from behind the thrust

washer. Be sure to clean the rear of

the case with air pressure or a suitable

solvent to remove any metal particles.

19.
Compress the reverse clutch pis-

ton release spring with tool T65P-

77515-A (Fig. 29). Remove the snap

ring. Remove the tool and the spring

retainer.procarmanuals.com

07-04-30
C-6 Automatic Transmission
07-04-30

6. Install the compressing tool

shown in Fig. 29 and compress the

springs just enough to install the low-

reverse clutch piston retainer snap

ring.

7.
Install the snap ring, then re-

move the compressing tool.

8. Place the transmission case on

the bench with the front end facing

downward.

9. Position the parking gear thrust

washer and the gear on the case (Fig.

33).
Do not restake the thrust washer.

10.
Position the oil distributor and

tubes in place on the rear of the case.

Install and torque the attaching bolts

to specification.

11.
Install the output shaft, and

governor as an assembly.

12.
Place a new gasket on the rear

of the transmission case. Position the

extension housing on the case and in-

stall the attaching bolts. Torque the

attaching bolts to specification.

13.
Place the case in the holding

fixture.

14.
Align the low-reverse clutch hub

and one-way clutch with the inner

race at the rear of the case. Rotate

the low-reverse clutch hub clockwise

while applying pressure to seat it on

the inner race.

15.
Install the low-reverse clutch

plates,
starting with a steel plate and

following with friction and steel plates

alternately. Retain them with vaseline.

Refer to the Specifications Section for

the number of plates required. If new

composition plates are being used,

soak them in clean transmission fluid

for fifteen minutes before installation.

Install the pressure plate and the snap

ring. Test the operation of the low-

reverse clutch by applying air pressure

at the clutch pressure apply hole in

the case.

16.
Install the reverse planet ring

gear thrust washer and the ring gear

and hub assembly. Insert the snap

ring in the groove in the output shaft.

17.
Assemble the front and rear

thrust washers onto the reverse planet

assembly; retain with vasoline. Insert

the assembly into the ring gear and

install the snap ring.

18.
Set the reverse-high clutch on

the bench, with the front end facing

down. Install the thrust washer on the

rear end of the reverse-high clutch as-

sembly. Retain the thrust washer with

vaseline and insert the splined end of

forward clutch into the open end of

the reverse-high clutch so that the

splines engage the direct clutch fric-

tion plates (Fig. 43).

19.
Install the thrust washer and re-

tain it with vaseline, on the front end
FORWARD

SNAP

RING

377300-S
SUN
GEAR

7A348

•
INPUT

SHELL

7D064

\
THRUST

WASHER

7D066

-IT

REAR

SNAP

RING

377300-S

I)
1634-A

57—Input Shell and Sun Gear Disassembled

of the forward planet ring gear and

hub.
Insert the ring gear into the for-

ward clutch.

20.
Install the thrust washer on the

front end of the forward planet assem-

bly. Retain the washer with vaseline

and insert the assembly into the ring

gear. Install the input shell and sun

gear assembly.

21.
Install the reverse-high clutch,

forward clutch, forward planet assem-

bly and drive input shell and sun gear

as an assembly into the transmission

case.

22.
Insert the intermediate band

into the case around the direct clutch
GEAR

SNAP RING

HUB AND FLANGE
D1906-A

FIG. 58—Output Shaft Hub and

Ring Gear

LOW-REVERSE

CLUTCH
DRUM-

7D390

SPRING

RETAINER-

7D191

BUSHING
-

7E194

SPRING
-
7D170

ROLLER-7190

D 1928-A

FIG. 59—One-Way Clutch Disassembled

cylinder.Install the struts and then

tighten the band adjusting screw suffi-

ciently to retain the band.

23.
Place a selective thickness bronze

thrust washer on the rear shoulder of

the stator support and retain it with

vaseline. If the end play was not

within specification when checked prior
to disassembly, replace the washer with

one of proper thickness. Refer to

Specifications Section for selective

thrust washer thicknesses. Lay a new

gasket on the rear mounting face of

the pump and position on the case

being careful not to damage the large

seal on the O.D. of the pump hous-procarmanuals.com