service FORD MUSTANG 1969 Volume One Chassis

07-01-17
General Transmission Service
07-01-17

PRESSURE REGULATOR

(FMX TRANSMISSION)

1.
Inspect the regulator body and

cover mating surface for burrs.

2.
Check all fluid passages for ob-

structions.

3.
Inspect the control pressure and

converter pressure valves and bores for

burrs and scores. Remove all burrs

carefully with crocus cloth.

4.
Check free movement of the

valves in their bores. The valves

should fall freely into the bores when

both the valve and bore are dry.

5.
Inspect the valve springs and

spacers for distortion.

CONTROL VALVE BODY

1.
Clean all parts thoroughly in

clean solvent, and then blow them dry

with moisture-free compressed air.

2.
Inspect all valve and plug bores

for scores. Check all fluid passages for

obstructions. Inspect the check valve

for free movement. Inspect all mating

surfaces for burrs or distortion. In-

spect all plugs and valves for burrs

and scores. Crocus cloth can be used

to polish valves and plugs if care is

taken to avoid rounding the sharp

edges of the valves and plugs.

3.
Inspect all springs for distortion.

Check all valves and plugs for free

movement in their respective bores.

Valves and plugs, when dry, must fall

from their own weight in their respec-

tive bores.

4.
Roll the manual valve on a flat

surface to check it for a bent condi-

tion.

GOVERNOR

1.
Inspect the governor valves and

bores for scores. Minor scores may be
removed from the valves with crocus

cloth. Replace the governor if the

valves or body is deeply scored.

2.
Check for free movement of the

valves in the bores. The valves should

slide freely of their own weight in the

bores when dry. Inspect fluid passages

in the valve body and counterweight

for obstructions. All fluid passages

must be clean.

3.
Inspect the mating surfaces of

the governor body and governor dis-

tributor (C4 or C6 Automatic) for

burrs and distortion. Mating surfaces

must be smooth and flat.

4.
Check the mating surface of the

governor valve and the counterweight

on a FMX transmission for burrs or

scratches.

5.
When cleaning the governor as-

sembly (C4 Automatic), the oil screen

should be removed from the collector

body and thoroughly blown out with

compressed air.

FRONT SERVO (FMX)

AND INTERMEDIATE

SERVO (C4 AND C6

AUTOMATIC)

1.
Inspect the servo bore for cracks

and the piston bore and the servo pis-

ton stem for scores. Check fluid pas-

sages for obstructions. Replace seals

that are damaged.

2.
On an FMX transmission, check

the actuating lever for free movement,

and inspect it for wear. If necessary to

replace the actuating lever or shaft,

remove the retaining pin and push the

shaft out of the bracket.

Inspect the adjusting screw threads

and the threads in the lever for dam-

age.

3.
Check the servo spring and servo

band strut(s) for distortion.

4.
Inspect the cover seal and gasket

cover sealing surface for defects.
REAR SERVO (FMX)

AND LOW-REVERSE SERVO

(C4 TRANSMISSION)

1.
Inspect the servo body for cracks

and the piston bore for scores.

2.
Check the fluid passages for ob-

structions.

3.
Inspect the band and the struts

for distortion. Inspect the band ends

for cracks.

4.
Inspect the servo spring for dis-

tortion.

5.
Inspect the band lining for exces-

sive wear and bonding to the metal

band.

6. On an FMX transmission, check

the servo body to case mating surface

for burrs. Check the accumulator pis-

ton and the check valve for freedom

of movement. Check the actuating

lever socket for scores.

7.
Replace seals that are damaged.

CASE

Inspect the case for cracks and

stripped threads. Inspect the gasket

surfaces and mating surfaces for

burrs.
Check the vent for obstructions,

and check all fluid passages for ob-

structions and leakage (Figs. 10, 11

and 12).

Inspect the case bushing for scores.

Check all parking linkage parts for

wear or damage.

ONE-WAY CLUTCH

1.
Inspect the outer and inner races

for scores or damaged surface area

where the rollers contact the races. If

the outer race on the C6 transmission

is damaged, the low-reverse clutch hub

must be replaced.

2.
Inspect the rollers and springs

for excessive wear or damage.

3.
Inspect the spring and roller case

for bent or damaged spring retainers.procarmanuals.com

J7-02-02
C4 Automatic Transmission
07-02-02

COMPONENT INDEX

Disassembly and Overhaul

REVERSE RING GEAR AND HUB

Disassembly and Overhaul

SELECTOR LEVER-CONSOLE SHIFT

Removal and Installation

THROTTLE LINKAGE
All
Models
02-22

02-26

02-08
COMPONENT INDEX

Adjustments

TRANSMISSION (Complete)

Removal and Installation

TRANSMISSION CASE BUSHING

Parts Repair or Replacement

TRANSMISSION CASE THREAD REPAIR
All
Models
02-04

02-11

02-18

02-18

DESCRIPTION

CONVERTER HOUSING,

CONVERTER
STATOR SUPPORT

FRONT PUMP CASE

INTERMEDIATE

BAND

LOW-REVERSE DRUM
-,

FORWARD CLUTCH

HUB AND RING GEAR

INPUT

SHELL
REVERSE RING GEAR

LOW REVERSE BAND

ONE-WAY

CLUTCH
GOVERNOR

DISTRIBUTOR

SLEEVE

GOVERNOR

DISTRIBUTOR

SPLINE SEAL

EXTENSION

HOUSING

SPEEDOMETER

DRIVE GEAR

GOVERNOR

REVERSE PLANET CARRIER

FRONT PLANET CARRIER

PARK TOGGLE LEVER

LOW-REVERSE SERVO PISTON

FORWARD CLUTCH

CONTROL LEVERS

FIG.
1—C4
Automatic Transmission

DESCRIPTION

Figure
1
shows
the
location
of the

converter, front pump, clutches, gear

train
and
most
of the
internal parts

used
in
the C4 transmission. The iden-

tification
tag
(Fig.
2) is
located under

the lower front intermediate servo

cover bolt.
The tag
shows
the
model

prefix
and
suffix, assembly part num-

bers,
and the
built date code.
The

service identification number indicates

changes
to
service details which affect

interchangeability when
the
transmis-

sion model
is not
changed.
For
inter-

pretation
of
this number, see the Mas-

ter Parts Catalog.
REVERSE-HIGH CLUTCH

IMPELLER CONTROL VALVE BODY

TRANSMISSION MODEL
D 1474-A

ASSEMBLY PART NO. BUILD DATE

FIG.
2—Identification
Tag

The
C4
transmission
is a
three

speed unit capable
of
providing auto-

matic upshifts
and
downshifts through
SHIFT

D1846-A

the three forward gear ratios,
and
also

capable
of
providing manual selection

of first
and
second gears.
procarmanuals.com

07-02-18
C4 Automatic Transmission

07-02-18

OUTER MANUAL LEVER

MANUAL LEVER LINK

INNER MANUAL LEVER

PARKING PAWL LINK

TOGGLE ROD

PARKING PAWL LINK

FIG. 50—Case Linkage

D1888-A

FIG. 51—Removing Manual

Lever Seal

TOGGLE ROD
D1887-A

12.
Position the inner manual lever

behind the manual lever link, with the

cam on the lever contacting the lower

link pin (Fig. 52).

13.
Install the upper end of the

manual lever link on the case retain-

ing pin. Install the retaining ring.

14.
Operate the manual lever and

check for correct linkage operation.

15.
Install the inner and outer

downshift levers. Torque the attaching

nut to specification.

Bushing Replacement—Case

1.
Remove the transmission case

bushing as shown in Fig. 53.

Press Ram

Handle

MANUAL INNER LEVER

D1890-A

FIG. 52— Inner Manual Lever

Location—As Viewed from the

Control Lever Side of Case
2.
Install the transmission case

bushing with the tool shown in Fig.

53.

Thread Repair-Case

Thread service kits may be pur-

chased from local jobbers or the

Heli-Coil Corporation. To repair a

damaged thread, the following proce-

dures should be carefully followed.

1.
Drill out the damaged threads,

using the same drill size as the thread

01).
For example, use a 5/16-inch

drill for a 5/16-18 thread.

2.
Select the proper special tap and

tap the drilled hole. The tap is marked

for the size of the thread being re-

paired. Thus, the special tap marked

5/16-18 will not cut the same thread

as a standard 5/16-18 tap. It does cut

a thread large enough to accommo-

date the insert, and after the insert is

installed the original thread size

(5/16-18) is restored.

3.
Select the proper coil inserting

tool. These tools are marked with the

thread size being repaired. Place the

insert on the tool and adjust the sleeve

to the length of the insert being used.

Press the insert against the face of

the tapped hole. Turn the tool clock-

wise and wind the insert into the hole

until the insert is 1/2 turn below the

face.

4.
Working through the insert, bend

the insert tang straight up and down

until it breaks off at the notch.

5.
If the inserts are not properly in-

stalled, they can be removed with the

extractor tool. Place the extractor tool

in the insert so that the blade rests

against the top coil 1/4 to 1/2 turn

away from the end of the coil. Tap

the tool sharply with a hammer so

that the blade cuts into the insert.

Press Rom

Handle

Too/
- T66L-7003-B7

Tool - T666-7003-B3

REMOVAL INSTALLATION D 1730-A

FIG. 53—Replacing Transmission Case Bushingprocarmanuals.com

07-03-02
FMX Transmission

07-03-02

COMPONENT INDEX

OIL PAN

Assembly

Removal and Installation

OUTPUT SHAFT

Assembly

Inspection

OUTPUT SHAFT BUSHING

Disassembly and Overhaul

PARKING PAWL

Removal and Installation

PRESSURE REGULATOR

Assembly

Disassembly and Overhaul

Inspection

Removal and Installation

PRIMARY SUN GEAR SHAFT

Disassembly and Overhaul

Inspection

REAR BRAKE DRUM SUPPORT BUSHING

Disassembly and Overhaul

REAR CLUTCH

Assembly

Disassembly and Overhaul

Inspection
Page
03-29

03-11

03-26

01-11

03-17

03-13

03-28

03-21

01-16

03-12

03-18

01-11

03-17

03-26

03-18

01-15
REAR SERVO

Assembly

Disassembly and Overhaul

Inspection

Removal and Installation

REAR SUPPORT

Assembly

Inspection

REAR SUPPORT BUSHING

Disassembly and Overhaul

SELECTOR LEVER-CONSOLE SHIFT

Removal and Installation

THROTTLE LINKAGE

Adjustment

Parts Repair or Replacement

TRANSMISSION (Complete)

Removal and Installation

TRANSMISSION CASE BUSHING

Parts Repair or Replacement

TRANSMISSION CASE LINKAGE

Parts Repair or Replacement

VACUUM DIAPHRAGM UNIT

Assembly

Adjustment

Checking
Page
03-28

03-24

01-16

03-12

03-28

03-15

03-21

03-08

03-05

03-05

03-14

03-26

03-25

03-29

01-07

01-04

DESCRIPTION

DESCRIPTION

Figure 1 shows the location of the

converter, front pump, clutches,

bands,
gear train and most of the in-

ternal parts used in the FMX Trans-

mission

The identification tag (Fig. 2) on an

FMX transmission is attached under

the oil pan by a pan to case bolt. The

tag includes the model prefix and suf-
fix, assembly part number and the

build date code.

The service identification number

indicates changes to service details

which affect interchangeability when

the transmission model is not

changed. For interpretation of this

number, see the Master Parts Catal-

og-

The tag must be kept with the indi-

vidual transmission it was originally
installed on. If the tag was removed

during disassembly, reinstall it on the

same unit.

The FMX transmission is a three

speed unit capable of providing auto-

matic upshifts and downshifts through

the three forward gear ratios, and also

capable of providing manual selection

of first and second gears.

The transmission consists essentially

of a torque converter, planetary gear

train, two multiple disc clutches and a

hydraulic control system (Fig. 3).
procarmanuals.com

07-03-20
FMX Transmission
07-03-20

Handle

Tool - T64L-7003-A6

D 1752-A

FIG. 35—Installing Input Shaft

Bushing

install the snap ring as shown in Fig.

33.
Make sure the snap ring is fully

seated in the groove. .

13.
Install the front clutch housing

on the primary sun gear shaft by ro-

tating the clutch units to mesh the

rear clutch plates with the serrations

on the clutch hub. Do not break the

seal rings.

14.
Install the clutch hub in the

clutch cylinder with the deep counter-

bor down (Fig. 36). Install the thrust

washer on the clutch hub.

15.
Install the pressure plate in the

clutch cylinder with the bearing sur-

face up (Fig. 37). Install the composi-

tion and the steel clutch plates alter-

nately, starting with a composition

plate (Fig. 38). Lubricate the plates as

they are installed.

HUB
PRESSURE PLATE

D1O45-A

FIG. 37—Installing Pressure Plate

D1961-A

FIG. 38—Installing Clutch Plates

BUSHING ^.^^ DRIVE GEAR

D 1047-B

39—Front Pump Disassembled
The final friction plate to be in-

stalled is selective. Install the thickest

plate that will be a minimum of 0.010

inch below input shaft shoulder in cyl-

inder. For all other plates, use the

thinnest available. Refer to the Speci-

fications Section for available plate

thickness.

16.
Install the turbine shaft in the

clutch cylinder, and then install the

snap ring. Make sure the snap ring is

fully seated in the groove.

17.
Install the thrust washer on the

turbine shaft.

FRONT PUMP

1.
Remove the stator support at-

taching screws and remove the stator

support. Mark the top surface of the

pump driven gear with Prussian blue

to assure correct assembly. Do not

scratch the pump gears.

2.
Remove the drive and driven

gears from the pump body.

3.
Refer to Fig. 39 for a disas-

sembled view of the front pump. In-

spect the pump body housing, gear

pockets and crescent for scores.

4.
If the pump housing bushing is

to be replaced, press the bushing from

the front housing with the tools shown

in Fig. 40.

5.
Press a new bushing into the

pump housing with the handle and

tool shown in Fig. 40.

6. If any parts other than the stator

support or bushings are found defec-

tive,
replace the pump as a unit.

Minor burrs and scores may be re-

moved with crocus cloth. The stator

support is serviced separately.

7.
Bolt the front pump to the trans-

mission case with capscrews.

D1960-A

/:/G.
36—Installing Clutch Hub
REMOVAL
INSTALLATION
D 1748-A

4Q—Replacing Front Pump Housing Bushingprocarmanuals.com

07-03-26
FMX Transmission
07-03-26

MANUAL SHAFT

AND LEVER
DETENT SPRING—«^ DETENT PLUNGER

DETENT

/ LEVER
MANUAL SHAFT
NUT

INNER DOWNSHIFT LEVER

/ DOWNSHIFT

/ SHAFT
NUT
TOGGLE LIFT

ijG
LEVER SPRING

TOGGLE LEVER-

PAWL RETURN SPRING-

TOGGLE LEVER
PIN-

PLUG'

D1967-A

FIG. 52—Transmission Case Control Linkage

pawl return spring. Assemble
the tog-

gle lever
to the
link with
the
toggle

link
pin.
Position
the
pawl return

spring over
the
toggle link pin,
and se-

cure
it in
place with
the
washer
and

the small retainer clip
(Fig. 52). In-

stall
the
assembly
in the
transmission

case
by
installing
the
pawl
pin and the

toggle lever
pin.
Install
the
torsion

lever assembly. Position
the
spring
on

the torsion lever with
a
screwdriver.

Make certain that
the
short side
of

toggle does
not
extend beyond
the

largest diameter
of the
ball
or the
tog-

gle lever
pin
(Fig. 52).
Tap the
toggle

lever
in or out as
necessary
to
center

the toggle lever
on the
ball.

4.
Install
the
manual lever
and

shaft
in the
transmission case. Posi-

tion
the
detent lever
on the
shaft,
and

secure
it
with
a nut.
Tighten
the nut

to 20-30 ft-lbs torque. Rotate
the

manual lever
to the
rear
of the
case.

Position
the
detent spring
in the
case.

Press Ram
Hold
the
detent plug
on the
spring

with
a
3/16-inch socket wrench, then

depress
the
spring until
the
plug
is

flush with
the
case. Carefully rotate

the manual lever
to the
front
of the

case
to
secure
the
plug.
A
piece
of

thin walled tubing
may be
used
to

depress
the
plug
if a
small socket

wrench
is not
available.

5.
Position
the
ends
of the
parking

pawl operating
rod in the
detent lever

and toggle lift lever,
and
secure with

the
two
small retaining pins.

6. Install
a new
seal
on the
down-

shift lever shaft, then install
the
lever

and shaft
in the
case. Position
the

inner downshift lever
on the
inner
end

of
the
shaft with
the
mark
O
facing

toward
the
center
of the
case. Install

the lock washer
and nut,
then tighten

the
nut to
17-20 ft-lbs torque.

7.
Check
the
operation
of the
link-

age.
The
linkage should operate freely

without binding.

Handle

Tool -
T64L.7003-BS

REMOVAL
Tool - T64L-7003-A5

INSTALLATION
D 1745-B

FIG. 53—Replacing Transmission Case Bushing
TRANSMISSION CASE

BUSHING REPLACEMENT

1.
If the
transmission case bushing

is
to be
replaced, press
the
bushing

out
of the
case with
the
tools shown
in

Fig.
53.

2.
Install
a new
transmission case

bushing with
the
tool shown
in Fig.

53.

ASSEMBLY
OF
TRANSMISSION

Do
not use
force
to
assemble
mat-

ing parts.
If the
parts
do not
assemble

freely, examine them
for the
cause_pf

the difficulty. Always
use new
gaskets

and seals during
the
assembly opera-

tions.

CLUTCH ASSEMBLIES

1.
Install
the
front band
in the

transmission case
so
that
the
anchor

end
is
aligned with
the
anchor
in the

case.

2.
Make sure
the
thrust washer
is

in place
on the
input shaft. Lift
the

clutch assemblies
out of the
holding

block.
Do not
allow
the
clutches
to

separate.

3.
Install
the
clutch sub-assemblies

in
the
transmission case while posi-

tioning
the
servo band
on the
drum.

Hold
the
units together while install-

ing them (Fig.
25).

CENTER SUPPORT,

ONE-WAY CLUTCH,

PINION CARRIER,
AND

OUTPUT SHAFT

The production center supports
are

chamfered
at the
edge
of the
race

(Fig.
54). The
service center supports

are
not
chamfered.
The
following
as-

sembly procedures cover both types
of

center supports.

Installation—Center Support

With Chamfered Edge

1.
Install
the
center support
and the

rear band
in the
case.

2.
Install
the
primary
sun
gear rear

thrust bearing race, needle bearing,

and front thrust bearing race
if
used

in
the
planet carrier using petroleum

jelly
to
retain them
in
place.

3.
Lubricate
the
bearing surface
on

the center support,
the
rollers
of the

planetary clutch,
and the cam
race
in

the carrier with petroleum jelly
(Fig.

54).

4.
Install
the
planetary clutch
in the

carrier (Fig.
55).procarmanuals.com

07-03-27
FMX Transmission

0703-27

CENTER SUPPORT

PLANETARY CLUTCH
"CAM TYPE" CLUTCH RACE

CHAMFER ON PRODUCTION

PART, ONLY-SERVICE PART NOT CHAMFERED

PLANET CARRIER

D1938-A

FIG. 54—Planetary Clutch, Planet Carrier and Center Support

5.
Carefully position the planet car-

rier on the center support. Move the

carrier forward until the clutch rollers

are felt to contact the bearing surface

of the center support.

6. While applying forward pressure

on the planet carrier, rotate it counte-

rclockwise, as viewed from the rear

(Fig. 55). This will cause the clutch

rollers to roll toward the large open-

ing end of the cams in the race, com-

pressing the spring slightly, so that the

rollers will ride up the chamfer on the

planetary support and onto the inner

race.

7.
Push the planet carrier all the

way forward.

PLANET

CARRIER
8. Check the operation of the plan-

etary clutch by rotating the carrier co-

unterclockwise. It should rotate count-

erclockwise (viewed from the rear)

with a slight drag, and it should lock

up when attempting to rotate it in a

clockwise direction.

9. Install the selective thrust washer

on the pinion carrier rear pilot. II the

end play was not within specifications

when checked prior to disassembly,

replace the washer with one of proper

thickness. Refer to the Specification

Section of Group 7 for selective thrust

washer thickness.

10.
Install the output shaft, careful-

ly meshing the internal gear with the

pinions.

ROTATE CARRIER

COUNTER CLOCKWISE

D 1292-C

. 55—Planetery Clutch Installation in Carrier—Chamfered Center

Support
Installation—Center Support

not Chamfered

1.
Install the center support and the

rear band in the case.

2.
Install the primary sun gear, rear

thrust bearing race, needle bearing

and front thrust bearing race if used

in the planet carrier using petroleum

jelly to retain them in place.

3.
Lubricate the bearing surface of

the center support, the rollers of the

planetary clutch, and the cam race in

the carrier with vaseline.

i. Install the^ planetary clutch on

the center support with the saw teeth

of the clutch cage pointing in the

clockwise direction as viewed from the

rear (Fig. 56). Make sure that all roll-

ers are in the cage.

5.
Position the planet carrier on the

support so that the cams in the carrier

engage the saw teeth on the clutch

cage.

6. Push the planet carrier forward

until the rollers are felt to contact the

surface of the cam race.

7.
While applying forward pressure

on the carrier, rotate it counterclock-

wise as viewed from the rear. This will

cause the rollers to roll toward the

large opening end of the cams in the

race,
compressing the springs slightly,

so that the rollers will enter the cams.

8. Some rollers may become

cocked preventing their entry into the

outer race. These rollers must be posi-

tioned individually with a small screw-

driver by pushing the rear of the roll-

ers toward the transmission and into

the cam race (Fig. 56). Keep pressure

applied to the carrier at all times.

9. After all of the rollers have been

started into the cam race, rotate the

carrier counterclockwise while pushing

it forward. Again, straighten any roll-

ers which still may be in a cocked po-

sition and prevent the carrier from

sliding onto the support.

10.
Make sure that all springs are

entered in the cam race before at-

tempting to push the carrier on the

support. Push the carrier all the way

forward and check the operation of

the clutch by rotating it in a counte-

rclockwise direction. The carrier

should rotate counterclockwise with a

slight drag and should lock up when

attempting to rotate it in a clockwise

direction.

11.
Install the selective thrust wash-

er on the pinion carrier rear pilot. If

the end play was not within specifica-

tions when checked prior to disassem-

bly, replace the washer with one of

proper thickness. Refer to the Specifi-

cation Section of Group 7 for selective

thrust washer thickness.procarmanuals.com

07-04-03

C-6 Automatic Transmission
07-04-03

suffix, a service identification number,

and serial number. The service
identif-

ication number indicates changes to

service details which affect interchan-

geability when the transmission model

is not changed. For interpretation of

this number, see the Master Parts Ca-

talog.

The C6 transmission is a three

speed unit capable of providing auto-

matic upshifts and downshifts through

the three forward gear ratios, and also

capable of providing manual selection

of first and second gears. The hydrau-

lic control system schematic is shown

in Figure 3. The converter housing

and the fixed splines which engage the

splined OD of the low-reverse clutch

steel plates, are both cast integrally

into the case.

Only one (intermediate) band is

used in the C6 transmission. This
TRANSMISSION

MODEL

FIG. 2—Identification Tag

along with the forward clutch is used

to obtain intermediate gear.

The only adjustment on the trans-

mission proper is the intermediate

band.

The fluid is drained from the trans-

mission by loosening the pan bolts
D1925-A

and allowing it to drain. Finally, to

allow the pan to drain more thorough-

ly, remove all bolts except the two

from the front.procarmanuals.com

07-04-11
C-6 Automatic Transmission

07-04-11

BAND ADJUSTMENT

INTERMEDIATE BAND

1.
Raise the vehicle on a hoist or

jack stands.

2.
Clean all the dirt from the band

adjusting screw area. Remove and dis-

card the lock nut.

3.
Install a new lock nut and tight-

en the adjusting screw to 10 ft-lbs tor-

que (Fig. 15).

4.
Back off the adjusting screw ex-

actly 1 full turn.

5.
Hold the adjusting screw from

turning and torque the lock nut to

specification.

6. Lower the vehicle.

EXTENSION HOUSING OR

GOVERNOR REPLACEMENT

REMOVAL

1.
Raise the vehicle on a hoist or

stands.

2.
Disconnect the parking brake

cable from the equalizer. On a Lin-

coln Continental, remove the equaliz-

er.

3.
Disconnect the driveshaft from

the rear axle flange and remove it

from the transmission.

4.
Disconnect the speedometer

cable from the extension housing.

5.
Remove the engine rear

support-to-extension housing attaching

bolts.

On a Lincoln Continental, remove

the reinforcement plate from under

the transmission oil pan.

6. Place a jack under the transmis-

sion and raise it just enough to re-

move the weight from the engine rear

support.

7.
Remove the bolt that secures the

engine rear support to the crossmemb-

er and remove the support.

8. Place a drain pan under the rear

of the transmission case.

9. Lower the transmission and re-

move the extension housing attaching

bolts.
Slide the extension housing off

the output shaft and allow the fluid to

drain.

10.
Remove the governor attaching

bolts (Fig. 16) and remove the gover-

nor from the flange.

INSTALLATION

1.
Secure the governor (Fig. 16) to

the distributor flange with the attach-

ing bolts. Torque the bolts to specifi-

cation.
TOOL-T59 P-77370-B

FIG. 75—Adjusting Band
D 1597-A

TUBES

DISTRIBUTOR

GOVERNOR

SPACER

D1598-A

FIG. 76—Governor Installed

2.
Clean the mounting surface on

the transmission and on the extension

housing. Position a new gasket on the

transmission.

3.
Hold the extension housing in

place and secure it with the attaching

bolts.

4.
Raise the transmission high

enough to position the engine rear

support on the crossmember.

5.
Secure the support to the cross

member with the attaching bolt and

nut. Torque the bolt to specification.

6. Lower the transmission and re-

move the jack. Install and torque the

engine rear support-to-extension hous-

ing attaching bolts to specification.

On a Lincoln Continental, install

the reinforcement plate and secure it

with the attaching bolts.

7.
Secure the speedometer cable to

the extension housing with the attach-

ing bolt.

8. Connect the parking brake cable

to the equalizer. On a Lincoln Conti-
nental, connect the parking brake

equalizer. Adjust the parking brake as

required.

9. Install the drive shaft.

10.
Fill the transmission to the cor-

rect level with the specified fluid.

SERVO REPLACEMENT

ALL VEHICLES EXCEPT

LINCOLN CONTINENTAL

Removal

1.
Raise the vehicle on a hoist or

stands.

2.
Remove the engine rear

support-to-extension housing attaching

bolts.

3.
Raise the transmission high

enough to remove the weight from the

engine rear support.

4.
Remove the bolt that secures the

engine rear support to the crossmemb-

er. Remove the support.

5.
Lower the transmission and re-

move the jack.

6. Place a drain pan beneath the

servo.
Remove the bolts that attach

the servo cover to the transmission

case.

7.
Remove the cover, piston, spring

and gasket from the case, screwing the

band adjusting screw inwards as the

piston is removed. This insures that

there will be enough tension on the

band to keep the struts properly en-

gaged in the band end notches while

the piston is removed.

SEAL REPLACEMENT

1.
Apply air pressure to the port in

the servo cover to remove the piston

and rod.

2.
Remove the seals from the piston

(Fig. 17).

On a Continental Mark III, replace

the complete piston and rod assembly

if the piston or piston sealing lips are

unserviceable or damaged.

3.
Remove the seal from the cover.

4.
Dip the new seals in transmission

fluid.

5.
Install the new seals on the pis-

ton and cover.

6. Coat two new gaskets with pe-

troleum jelly and install the gaskets

on the cover.

7.
Dip the piston in transmission

fluid and install it in the cover.procarmanuals.com

07-04-12
C-6 Automatic Transmission

07-04-12

•TRANSMISSION

CASE SEAL-7D024

SEAL-7D025

COVER .7D027

D1599-B

FIG. 17—Servo Disassembled—Typical

INSTALLATION

1.
Position a new gasket on the

servo cover.

2.
Position the servo spring on the

piston rod.

3.
Insert the servo piston rod in the

case.
Secure the cover with the attach-

ing bolts, taking care to back off the

band adjusting screw as the cover

bolts are tightened. Make sure that

the vent tube retaining clip and service

identification tag are in place.

4.
Raise the transmission high

enough to install the engine rear sup-

port. Secure the support to the exten-

sion housing with the attaching bolts.

Lower the transmission as required to

install the support to crossmember at-

taching bolt. Torque the attaching

bolts to specification.

5.
Remove the jack.

6. Adjust the band as detailed in

Section 2.

7.
Lower the vehicle and replenish

the fluid as required.

LINCOLN

Removal

1.
Raise the vehicle on a hoist.

2.
Place a drain pan under the

servo.
Remove the bolts that attach

the servo cover to the transmission

case.

3.
Remove the three bolts that at-

tach the manual and downshift control

rod splash shield to the frame side rail

and remove the shield. Remove the

reinforcement plate from under the

transmission oil pan.
4.
Loosen the band adjusting screw

lock nut.

5.
Remove the two nuts that attach

the engine rear mounts to the

crossmember.

6. Place a transmission jack under

the transmission and raise it just high

enough to remove the weight from the

crossmember.

7.
Remove the engine rear

support-to-extension housing attaching

bolts and remove the supports.

8. Remove the servo cover, piston,

spring and gasket from the case, turn-

ing the band adjusting screw inward

as the piston is removed. This insures

that there will be enough tension on

the band to keep the struts properly

engaged in the band end notches while

the piston is removed.

Seal Replacement

1.
Apply air pressure to the port in

the servo cover to remove the piston

and rod assembly. If the piston or pis-

ton sealing lips are unserviceable or

damaged, the complete piston and rod

assembly must be replaced.

2.
Remove the seal from the cover

(Fig. 17).

3.
Dip the new seals in transmission

fluid.

4.
Install a new seal on the cover.

5.
Dip the piston and rod assembly

in transmission fluid and install it in

the cover.

Installation

1.
Coat two new gaskets with pe-

troleum jelly and position them on the

servo cover.
2.
Position the servo spring on the

piston rod.

3.
Insert the servo piston rod in the

case.
Secure the cover with the attach-

ing bolts taking care to back off the

band adjusting screw as the cover

bolts are tightened. Make sure that

the transmission identification tag is

installed utfider the lower front cover

bolt.

4.
Adjust the band as detailed in

Section 2.

5.
"Raise the transmission high

enough to install the engine rear sup-

ports.
Secure the supports to the ex-

tension housing with the attaching

bolts.
Lower the transmission as re-

quired to install and torque the

support-to-crossmember nuts.

6. Position the manual and down-

shift control rod splash shield to the

frame side rail and secure it with the

attaching bolts.

7.
Remove the jack.

8. Install the reinforcement plate

and secure it with the attaching bolts.

9. Lower the vehicle and replenish

the fluid as required.

CONTROL VALVE

BODY REPLACEMENT

REMOVAL

1.
Raise the vehicle on a hoist or

jack stands.

2.
On a Lincoln Continental, re-

move the reinforcement plate from

under the oil pan.

3.
Place a drain pan under the

transmission and loosen the bolts to

drain the fluid from the transmission.

4.
Remove the transmission pan at

taching bolts from both sides and the

rear to allow the fluid to drain fur-

ther. Finally, remove the remainder of

the attaching bolts.

5.
Remove the valve body attaching

bolts and remove the valve body from

the case.

INSTALLATION

1.
Position the valve body to the

case making sure that the selector and

downshift levers are engaged, then in-

stall and torque the attaching bolts to

specification.

2.
Clean the fluid pan and gasket

surfaces thoroughly.

3.
Using a new pan gasket, secure

the pan to the transmission case and

torque the attaching bolts to specifica-

tion.procarmanuals.com