1969 FORD MUSTANG mustang

07-03-13
FMX Transmission

07-03-13

EXTENSION HOUSING

BUSHING AND REAR SEAL

REPLACEMENT

1.
Disconnect the drive shaft from

the transmission.

2.
Carefully remove the seal with

the tools shown in Fig. 18.

3.
Remove the bushing as shown in

Fig. 19. Use the bushing remover

carefully so that the spline seal is not

damaged.

4.
When installing a new bushing

use the special tool shown in Fig. 20.

5.
Before installing a new seal, in-

spect the sealing surface of the univer-

sal joint yoke for scores. If scores are

found, replace the yoke.

6. Inspect the counterbore of the

housing for burrs. Polish off all burrs

with crocus cloth.

7.
Install the seal into the housing

with tool shown in Fig. 21. The seal

should be firmly seated in the bore.

PARKING PAWL

REPLACEMENT

1.
On Ford and Meteor vehicles,

loosen the right front scuff plate and

lift the carpet back until the rear band

adjusting stud access hole is accessi-

ble.

Remove the access hole plug and,

with Tool 7195-C or Tool T58L-

7195-A, loosen the adjusting stud lock

nut. Turn the adjusting stud in until

the tool handle overruns. This will

tighten the rear band around the plan-

et carrier and will hold the planet car-

rier and clutch assemblies in position

during the parking pawl repair opera-

tion.

2.
Raise the vehicle and drain the

fluid from the transmission.

3.
Place the adjustable support

stand under the rear of the engine.

4.
Remove the driveshaft.

5.
Disconnect the parking brake

cables from the crossmember and

equalizer bracket.

6. Remove the engine rear

support-to-extension housing bolts.

7.
Remove the bolt that secures the

engine rear support to the crossmemb-

er. Raise the engine with the adjusta-

ble support stand just high enough to

provide clearance for removing the

support.

8. Lower the jack until the exten-

sion housing just clears the crossmem-

ber to remove all weight from the

housing.

9. Disconnect the speedometer

cable from the transmission.

10.
Remove the transmission pan

and fluid filter.

11.
On a Fairlane, Montego,

Mustang or Cougar, loosen the rear
EXTENSION HOUSING

Tool-T57P-7697-A

or 7000-G or AD

D1O25-B

FIG. 79—Removing Extension

Housing Bushing

BUSHING

Tool—T57P-7697-B

7000-HF

EXTENSION HOUSING

D1O26-B

FIG. 20—Installing Extension

Housing Bushing

band adjusting screw lock nut and

tighten the adjusting screw to 24 in-lbs

torque. This will tighten the rear band

around the planet carrier and will hold

the planet carrier and clutch assem-

blies in position during the parking

pawl repair operation.

12.
Remove the vacuum control di-

aphragm unit and control rod.

13.
Remove the main control valve

rear support assembly from the case.

14.
Remove the extension housing

attaching bolts and housing.

15.
Remove the output shaft and

assembly retaining bolts and valve as-

sembly.

16.
Remove the parking pawl pin

from the case with a magnet.

17.
Working from inside of the

case,
drive on the shoulder of the tog-

gle lever (Fig. 52) pin with a small

punch to move the retaining plug part

way out of the case. Remove the plug

with a pair of pliers.

18.
To remove the toggle lever pin,

slide the toggle lever toward tlfe front

of the case. Cock the lever to one side

to apply pressure on the pin, then
move the toggle to the rear of the case

to move the pin outward. Repeat this

procedure until the pin can be re-

moved from the case. Lift the pawl

and toggle from the case as an assem-

bly.

19.
Remove the pawl and toggle

lever as an assembly.

20.
Position the new parking pawl

and link assembly, then install the

toggle lever pin and the plug.

21.
Secure the pawl to the case

with the pawl pin.

22.
Position a new gasket on the

front of the support and at the rear.

Hold them in place with transmission

fluid or vaseline.

23.
Make sure that the thrust wash-

er is in place, then position the sup-

port and output shaft in place making

sure that the pressure tubes are en-

tered in the case.

24.
Secure the extension housing to

the case with the attaching bolts.

25.
Install the main control valve

assembly.

26.
Adjust the front band.

27.
Adjust the rear band on a Fair-

lane,
Montego, Mustang or Cougar.

28.
Position the vacuum control rod

in the case. Install the vacuum dia-

phragm unit.

29.
Install the filter, transmission

pan and a new gasket.

30.
Connect the speedometer cable

to the extension housing.

31.
Raise the transmission high

enough to position the engine rear

support on the crossmember. Secure

the support with the attaching bolt.

32.
Lower the transmission and re-

move the jack. Install the two exten-

sion housing-to-engine rear support

attaching bolts.

33.
Connect the parking brake

cables to the equalizer.

34.
Install the driveshaft, then

lower the vehicle.

35.
On Ford and Meteor vehicles,

adjust the rear band.

36.
Fill the transmission to the cor-

rect level with the specified fluid.

Too/—
T6U-7657-A or 8,

7657-AA, or 7657 AB

EXTENSION HOUSING

REAR SEAL

FIG. 21—Installing Extension Housing Sealprocarmanuals.com

07-04-01

C-6 Automatic Transmission
07-04-01

PART 7-4 C-6 Automatic Transmission

Trans-
Selector

mission Engine Lever

Model Model Location

PGA-A3 390-2V Column

PGA-J3 390-2V Console

PGA-AC 390-4VI.P. Column

PGA-AD 390-2VI.P. Console

PGA-AE 390-2V I.P. Console

PGA-Z 429-2V Column

PGA-AA 429-2V Console

PGB-F2 428-4 V®@ Column

PGB-G2 390-2V,4V© Column

PGB-H2 428-4V® Column

PGB-J1 429-4V Column

PGB-AD 429-4V Column

PGB-AE 429-4V Console

PGB-AF-1 428-4VC.J. Console

PGB-AG 428-4V C. J. Column

PGB-AH 428-4V C.J. Console

PGC-B 460-4V Column

PGC-C1 460-4V Column

©Police Interceptor

©All Except 3.25:
1
Axle

©Police, Fleet and Heavy Duty Units
MODEL APPLICATION
All
Models
Ford

X

X

X

X

X

X

X

X

X
Mercury
x

X

X

X

X

X

X

X
Meteor
X

X

X

X

X

X

X

X
Cougar
X

X
Fairlane
X

X

X

X
Falcon
Montego
X

X

X

X
Mustang
X

X
Lincoln-
Continental

X
Thunderbird
X
1
Continental-
Mark
III

X

COMPONENT INDEX

ASSEMBLY OF TRANSMISSION

BAND ADJUSTMENT

Intermediate Band

CONTROL VALVE BODY

Cleaning and Inspection

Disassembly and Overhaul

Removal and Installation

DESCRIPTION

DISASSEMBLY AND OVERHAUL OF

TRANSMISSION

DOWNSHIFT LINKAGE

Adjustment

Parts Repair or Replacement

EXTENSION HOUSING

Cleaning and Inspection

Removal and Installation

EXTENSION HOUSING BUSHING

Removal and Installation

All
Models
04-29

04-11

04-16

04-22

04-12

04-02

04-18

04-05

04-20

04-14

04-11

04-13
COMPONENT INDEX

EXTENSION HOUSING REAR SEAL

Removal and Installation

FORWARD CLUTCH

Cleaning and Inspection

Disassembly and Overhaul

FRONT PUMP

Cleaning and Inspection

Disassembly and Overhaul

GOVERNOR

Cleaning and Inspection

Removal and Installation

INPUT SHELL AND SUN GEAR

Disassembly and Overhaul

LOW-REVERSE CLUTCH PISTON

Disassembly and Overhaul

MANUAL LINKAGE

Adjustment

Parts Repair or Replacement
All
Models
04-13

04-15

04-25

04-15

04-24

04-16

04-11

04-27

04-28

04-05

04-20
procarmanuals.com

07-04-08
C-6 Automatic Transmission

07-04-08

PLUG-7256
•

•HANDLE-7217

I DIAL HOUS NG

ASSEMBLY-7E034

POINTER BACK-JP

SHIELD
HOUSING AND LEVER

ASSEMBLY-7C453

ENGAGE FLATS OF STUD IN SLOT OF

ROD BEFORE APPLYING TORQUE

D2034-A

FIG. 10—Manual Linkage—Console Shift—Mustang-Cougar

ACTUATOR LEVER ATTACHING BOLT

Gauge Pin

(No.
43 Drill)

NEUTRAL START

SWITCH

D1812-A

FIG. 11—Neutral Start Switch Adjustments—Console Shift

9. Slide the combination starter

neutral and back-up light switch for-

ward or rearward as required, until

the switch actuating lever contacts the

selector lever.

10.
Tighten the switch attaching

screws and remove the gauge pin.
Check for starting in the park posi-

tion.

11.
Turn the ignition key to the

ACC position and place the selector

lever in the reverse position and check

the operation of the back-up lights.

Turn the key off.
FIG. 72—Neutral Start Switch

Adjustment—Console Shift—

Fairlane-Montego

12.
Position the selector lever re-

tainer to the selector lever housing.

Install the six attaching screws.

13.
Install the cover and dial indi-

cator.

14.
Install the trim panel on the top

of the console. Install the selector

lever handle.procarmanuals.com

07-04-09
C-6 Automatic Transmission
07-04-09

MUSTANG AND COUGAR

1.
With the manual lever properly

adjusted, loosen the two switch attach-

ing bolts (Fig. 13).

2.
With the transmission manual

lever in neutral, rotate the switch and

insert the gauge pin (No. 43 drill

shank end) into the gauge pin holes of

the switch. The gauge pin has to be

inserted to a full 31/64 inch into the

three holes of the switch (Fig. 13).

3.
Torque the two switch attaching

bolts to specification. Remove the

gauge pin from the switch.

4.
Check the operation of the

switch. The engine should start only

with the transmission selector lever in

Neutral and Park.

NEUTRAL START SWITCH

REPLACEMENT—CONSOLE

SHIFT

On vehicles equipped with a

column-mounted neutral start switch,

refer to Part 7-1, Section 2, for the

replacement procedures.

FORD, MERCURY

AND METEOR

1.
Remove the four screws and

plates securing the selector lever

handle to the lever. Remove the

handle and detent control.

2.
Remove the two screws from the

rear of the console top panel. Pull the

panel back to unhook it from the

front of the console and remove the

panel.

3.
Remove the two screws securing

the dial indicator assembly to the se-

lector lever housing and remove the

indicator assembly.

4.
Disconnect the neutral start

switch wires at the plug connector.

Remove the wires from under the re-

taining clip.

5.
Remove the two screws securing

the neutral start switch to the selector

lever housing and remove the switch

(Fig. 11).

6. Position the neutral start switch

to the selector lever housing and in-

stall the two attaching screws.

7.
Adjust the neutral start switch as

outlined under the Neutral Start

Switch Adjustment procedures in this

section.

8. Connect the neutral start switch

Wires to the plug connector. Position

the wires in the retaining clip and

close the clip.

9. Place the console top panel on

the console and install the retaining

screws.
NEUTRAL START

SWITCH

D1459-A

FIG. 73—Neutral Start Switch

Adjustment—Console Shift—

Mustang and Cougar

10.
Position the selector lever de-

tent control and handle on the selector

lever and secure with the four plates

and attaching screws.

FAIRLANE AND MONTEGO

1.
Remove the selector lever handle

from the lever.

2.
Remove the trim panel from the

top of the console.

3.
Remove the cover and dial indi-

cator as an assembly.

4.
Remove the four screws that se-

cure the selector lever retainer to the

selector lever housing. Lift the retainer

from the housing.

5.
Remove the two screws securing

the neutral start switch to the selector

lever housing. Disconnect the neutral

start switch wires at the plug connec-

tor and remove the switch.

6. Position the neutral start switch

to the selector lever housing and in-

stall the two attaching screws.

7.
With the selector lever in neu-

tral,
move the selector lever back and

forth until the gauge pin (No. 43 drill)

can be fully inserted into the gauge

pin holes (Fig. 12).

8. Place the transmission selector

lever firmly against the stop of the

neutral detent position.

9. Slide the combination starter

neutral and back-up light switch for-

ward or rearward as required, until

the switch actuating lever contacts the

selector lever.

10.
Tighten the switch attaching

screws and remove the gauge pin.

11.
Connect the neutral start switch

wires to the plug connector and check

for starting in the park position.
12.
Position the selector lever re-

tainer to the selector lever housing.

Install the attaching screws.

13.
Install the cover and dial indi-

cator.

14.
Install the trim panel on the top

of the console. Install the selector

lever handle.

MUSTANG AND COUGAR

1.
Remove the downshift linkage

rod from the transmission downshift

lever.

2.
Apply penetrating oil to the

downshift lever shaft and nut. Remove

the transmission downshift outer lever

retaining nut and lever (Fig. 13).

3.
Remove the two neutral start

switch attaching bolts.

4.
Disconnect the multiple wire

connector. Remove the neutral switch

from the transmission.

5.
Install the neutral start switch on

the transmission. Install the two at-

taching bolts.

6. With the transmission manual

lever in neutral, rotate the switch and

install gauge pin (No. 43 drill) into

the gauge pin hole (Fig. 13).

7.
Tighten the switch attaching

bolts to specification and remove the

gauge pin.

8. Install the outer downshift lever

and attaching nut, and torque the nut

to specification. Install the downshift

linkage rod to the downshift lever.

9. Install the switch wires. Connect

the wire multiple connector. Check

the operation of the switch in each de-

tent position. The engine should start

only with the transmission selector

lever in N (neutral) and P (park).

SELECTOR LEVER

REPLACEMENT-

CONSOLE SHIFT

FORD, MERCURY

AND METEOR

1.
Raise the vehicle and disconnect

the link assembly from the selector

lever arm (Fig. 8).

2.
Lower the vehicle. Remove the

four screws and plates securing the se-

lector lever handle to the lever. Re-

move the handle and detent control.

3.
Remove the two screws from the

rear of the console top panel. Pull the

panel back to unhook it from the

front of the console and remove the

panel.

4.
Disconnect the neutral start

switch wires at the plug connector.

Disconnect the bulb socket from the

quadrant.procarmanuals.com

07-04-10
C-6 Automatic Transmission

07-04-10

5.
Remove the four bolts that at-

tach the selector lever housing to the

floor pan and remove the selector

lever and housing.

6. Position the new selector lever

and housing assembly on the floor pan

and install the attaching bolts.

7.
Connect the bulb socket to the

quadrant and the neutral start switch

wires to the plug connector.

8. Raise the vehicle and secure the

link assembly to the selector lever arm

with the bushing, insulator, flat wash-

er and cotter pin (Fig. 8). Lower the

vehicle.

9. Place the console top panel on

the console and install the retaining

screws.

10.
Position the selector lever de-

tent control and handle on the selector

lever and secure with the four plates

and attaching screws.

FAIRLANE AND MONTEGO

1.
Raise the vehicle on a hoist or

jack stands.

2.
Remove the retainer that secures

the manual linkage rod to the lower

end of the manual lever (Fig. 9).

3.
Remove the flat washer and two

insulator washers and disconnect the

rod from the arm.

4.
Working from inside of the vehi-

cle,
remove the selector lever handle

attaching screw. Lift the handle off

the selector lever.

5.
Remove the console trim panel

from the top of the console. Remove

the console retaining screws and re-

move the console.

6. Remove the cover and dial indi-

cator as an assembly.

7.
Remove the four screws that se-

cure the selector lever retainer to the

selector lever housing. Lift the retainer

from the housing.

8. Disconnect the neutral start

switch wires at the plug connector.

Disconnect the bulb socket from the

selector lever housing.

9. Remove the three bolts that se-

cure the selector lever control housing

to the console. Lift the selector lever

housing from the console.

10.
Remove the selector lever to

housing attaching nut. Remove the

lever from the housing.

11.
Install the selector lever in the

housing and install the attaching nut.

Torque the nut to 20 to 25 ft-lbs.

12.
Install the selector lever handle.

13.
Position the selector lever as

shown in Figure 14. With a feeler

gauge, check the clearance between
DETENT
PAWL

LOCK
NUT

DETENT
PAWL

ADJUSTMENT
SCREW

DETENT
PLATE

D
1644-A

FIG. 14—Typical Selector Lever Detent Pawl Adjustment

the detent pawl and plate. The clear-

ance should be 0.005 to 0.010 inch. If

necessary adjust the height of the de-

tent pawl as shown in Figure 14.

14.
Remove the handle from the se-

lector lever.

15.
Position the selector lever hous-

ing in the console and install the three

attaching bolts. Do not tighten the at-

taching bolts at this time.

16.
Connect the bulb socket to the

selector lever housing and the neutral

start switch wires to the plug connec-

tor.

17.
Position the selector lever re-

tainer to the selector lever housing.

Install the four attaching screws.

18.
Install the cover and dial indi-

cator.

19.
Place the console in position

and install the retaining bolts. Tighten

the selector lever housing attaching

bolts.

20.
Position the console trim panel

and secure it with the attaching

screws.

21.
Install the handle and the but-

ton on the selector lever. Secure the

handle with the set screw.

22.
Secure the manual linkage rod

to the arm with two insulating wash-

ers,
a flat washer and a retainer (Fig.

9).

23.
Adjust the linkage as required.

Lower the vehicle.

MUSTANG AND COUGAR

1.
Raise the vehicle and remove the

manual lever control rod attaching nut

(Fig. 10).

2.
Lower the vehicle, remove the se-

lector lever handle attaching screw.
3.
Remove the dial housing attach-

ing screws and the housing.

4.
Remove the pointer back-up

shield attaching screws and remove

the shield.

5.
Disconnect the dial indicator

light.

6. Remove the selector housing and

lever assembly attaching bolts. Re-

move the selector lever and housing.

7.
Remove the selector lever to

housing attaching nut. Remove the

lever from the housing.

8. Install the selector lever in the

housing and install the attaching nut.

Torque the nut to 20 to 25 ft-lbs.

9. Install the selector lever handle.

10.
Position the selector lever as

shown in Figure 14. With a feeler

gauge check the clearance between the

detent pawl and plate. The clearance

should be 0.005 to 0.010 inch. If nec-

essary adjust the height of the detent

pawl as shown in Figure 14.

11.
Remove the handle from the se-

lector lever.

12.
Install the selector housing and

lever assembly as shown in Figure 10.

Torque the attaching bolts 4-6 ft-lbs.

13.
Connect the dial indicator light.

14.
Install the pointer back-up

shield on the housing and lever assem-

bly.

15.
Install the dial housing and

tighten the attaching screws.

16.
Install the selector lever handle

and tighten the attaching screw.

17.
Position the selector lever in the

D position.

18.
Raise the vehicle. Install the

transmission manual lever rod to the

selector lever. Adjust the manual link-

age.

19.
Lower the vehicle and check the

transmission operation in each selec-

tor lever detent position.procarmanuals.com

07-04-14
C-6 Automatic Transmission
07-04-14

taching bolt to turn the converter to

gain access to the nuts.

5.
Remove the rear mount to

crossmember attaching bolt.

6. Remove the two crossmember-

to-frame attaching bolts.

7.
Remove the two engine rear

support-to-extension housing attaching

bolts.

8. Disconnect the downshift rod

from the transmission downshift lever.

9. Disconnect the manual linkage

rod from the lever at the transmission.

On a column shift, use tool T67P-

7341-A to remove the rod.

10.
Remove the two bolts securing

the bellcrank bracket to the converter

housing.

11.
Raise the transmission with a

transmission jack to provide clearance

to remove the crossmember.

12.
Remove the rear mount from

the crossmember and remove the

crossmember from the side supports.

13.
Lower the transmission to gain

access to the oil cooler lines.

14.
Disconnect each oil line from

the fittings on the transmission.

15.
Disconnect the vacuum line

from the diaphragm located at the

right rear of the transmission. Remove

the metal line from the retaining clip

on the transmission.

16.
Disconnect the speedometer

cable from the extension housing.

17.
Remove the bolt that secures

the transmission fluid filler tube to the

cylinder block. Lift the filler tube and

the dipstick from the transmission.

18.
Secure the transmission to the

jack with the chain.

19.
Remove the converter housing-

to-cylinder block attaching bolts.

20.
Carefully move the transmission

away from the engine and, at the

same time, lower it to clear the und-

erside of the vehicle.

21.
Remove the converter and

mount the transmission in a holding

fixture.

INSTALLATION—FORD

MERCURY AND METEOR

1.
Torque the two converter drain

plugs to specification.

2.
Install the converter on the sta-

tor support.

3.
Secure the transmission to the

jack with the chain.

4.
Rotate the flywheel to place two

converter mounting stud holes that are

adjacent to the drain plug holes in a

vertical position.

5.
Rotate the converter so that the

studs and drain plugs are in alignment

with those in the flywheel.
6. Move the transmission toward

the cylinder block until they are in

contact. Install and torque the attach-

ing bolts to specification making sure

that the vacuum tube retaining clips

are properly positioned.

7.
Remove the transmission jack

chain from around the transmission.

8. Install a new Oring on the lower

end of the transmission filler tube. In-

sert the tube in the transmission case

and secure the tube to the engine with

the attaching bolt.

9. Connect the speedometer cable

to the extension housing.

10.
Connect the oil cooler lines to

the right side of transmission case.

11.
Connect the vacuum line to the

vacuum diaphragm making sure that

the metal tube is secured in the retain-

ing clip.

12.
Position the cross member on

the side supports. Position the rear

mount on the crossmember and install

the attaching bolt and nut.

13.
Secure the engine rear support

to the extension housing and torque

the bolts to specification.

14.
Lower the transmission and re-

move the jack.

15.
Secure the crossmember to the

side supports with the attaching bolts

and torque them to specification.

16.
Position the bellcrank bracket

to the converter housing and install

the two attaching bolts.

17.
Connect the downshift rod to

the transmission downshift lever.

18.
Connect the selector rod to the

manual lever at the transmission. On

a column shift, use tool T67P-7341-A

and install a new grommet in the

manual lever. Then, secure the manual

selector rod to the lever.

19.
Secure the converter-to-flywheel

attaching nuts and torque them to

specification. Use a wrench on the

crankshaft pulley attaching nut to ro-

tate the flywheel. Do not use a wrench

on the converter attaching nuts to ro-

tate it.

20.
Install the converter housing

dust shield and secure it with the at-

taching bolts.

21.
Secure the starter motor in

place with the attaching bolts. Con-

nect the cable to the terminal on the

starter.

22.
Install the driveshaft.

23.
Adjust the shift linkage as de-

tailed in Section 2.

24.
Lower the vehicle.

25.
Fill the transmission to the cor-

rect level with the specified lubricant.

Start the engine and shift the trans-

mission to all ranges, then recheck the

fluid level.
REMOVAL—FAIRLANE,

MONTEGO, MUSTANG

AND COUGAR

1.
On Mustang and Cougar, dis-

connect the neutral switch wires from

the harness connector and the retain-

ing clip on the dash.

2.
Remove the bolt that secures the

filler tube to the rear of the right

cylinder head.

3.
Raise the vehicle on a hoist or

jack stands.

4.
Remove the converter drain plug

access cover from the lower end of the

converter housing.

5.
Place a drain pan under nhe con-

verter housing and remove the two

converter drain plugs. Install the plugs

after the fluid has drained.

6. Place the drain pan under the

transmission fluid pan. Starting at the

rear of the pan and working toward

the front, loosen the attaching bolts

and allow the fluid to drain. Finally

remove all of the pan attaching bolts

except two at the front, to allow the

fluid to further drain. After the fluid

has drained, install two bolts on the

rear side of the pan to temporarily

hold it in place.

7.
Disconnect the drive shaft from

the rear axle flange and remove it

from the transmission. Install tool

T61L-7657-A in the rear of the exten-

sion housing to prevent the fluid from

leaking.

8. Disconnect the downshift rod

from the transmission downshift lever.

9. Disconnect the shift rod from the

manual lever. On a column shift, use

tool T67P-7341-A to remove the rod.

10.
Disconnect the speedometer

cable from the extension housing.

11.
Disconnect the rubber hose

from the vacuum diaphragm at the

rear of the transmission. Remove the

vacuum tube from the retaining clip at

the transmission.

12.
Disconnect the starter cable

from the terminal on the starter. Re-

move the starter attaching bolts and

remove it from the housing.

13.
Lift the fluid filler tube from

the transmission case.

14.
Remove the four converter-

to-flywheel attaching nuts.

15.
On a Mustang or Cougar, dis-

connect the complete exhaust system

and allow it to hang on the rear axle.

16.
Remove the two nuts that at-

tach the engine rear support to the

crossmember.

17.
Raise the transmission with a

jack just enough to remove the weight

from the crossmember.

18.
Remove the cotter pins from

the crossmember-to-frame side sup-procarmanuals.com

07-04-15
C-6
Automatic Transmission
07-04-15

port attaching nuts and remove the

nuts.
Lift the crossmember from the

frame side supports.

19.
Remove the bolts that attach

the engine rear support to the exten-

sion housing and remove the support.

20.
Lower the transmission, then

disconnect the fluid cooler lines from

the transmission case.

21.
Secure the transmission to the

jack with a chain.

22.
Remove the six bolts that at-

tach the converter housing to the cyl-

inder block.

23.
Move the jack rearward until

the transmission clears the engine,

then tip it forward to provide clear-

ance. Lower the transmission and re-

move it from under the vehicle.

24.
Remove the converter from the

transmission. Mount the transmission

in a holding fixture if repairs are nec-

essary.

INSTALLATION—FAIRLANE,

MONTEGO,
MUSTANG

AND COUGAR

1. Mount the transmission in a

transmission jack and secure it with a

safety chain.

2.
Install the converter on the front

pump.

3.
Rotate the flywheel so that the

drain plug holes are in a vertical posi-

tion. Rotate the converter so that the

drain plugs are in the same relative

position as the drain plug holes in the

flywheel.

4.
Roll the transmission into posi-

tion under the vehicle and raise it to

alignment with the engine. Move it

forward until the converter housing

contacts the cylinder block. Install

and torque the converter-to-cylinder

block attaching bolts.

5.
Remove the jack safety chain

from the transmission.

6. Connect the two fluid cooler

lines to the fittings in the transmission

case.

7.
Secure the engine rear support to

the extension housing with the attach-

ing bolts. Torque the bolts to specifi-

cation.

8. Position the crossmember on the

frame side supports and install and

tighten the attaching nuts to specifica-

tion. Install cotter Dins to retain the

nuts.

9. Remove the transmission jack

from under the vehicle. Install and

torque the engine rear support-

to-crossmember attaching nuts.

10.
Install the exhaust system on

Mustang and Cougar.
11.
Install the converter-to-flywheel

attaching nuts and torque them to

specifications. Tighten the drain plugs

to specification.

12.
Secure the converter drain plug

access cover to the lower end of the

converter housing with the attaching

bolts.

13.
Install a new O-ring on the

lower end of the fluid filler tube. Dip

the O-ring in clean automatic trans-

mission fluid and insert the filler tube

in the transmission case.

14.
Secure the starter to the con-

verter housing. Connect the cable to

the terminal on the starter.

15.
Connect the speedometer cable

to the extension housing.

16.
Connect the shift rod to the

manual lever at the transmission. On

a column shift, use tool T67P-7341-A

and install a new grommet in the

manual lever. Then, secure the manual

selector rod to the lever.

17.
Connect the downshift rod to

the lever on the transmission. Adjust

the rod.

18.
Remove the tool from the ex-

tension housing and install the drive

shaft.

19.
Lower the vehicle.

20.
Working from the engine com-

partment, secure the fluid filler tube

to the rear of the right cylinder head

with the attaching bolt.

21.
On Mustang and Cougar, con-

nect the neutral switch wires to the

harness. Secure the wires to the dash

with the retaining clip.

22.
Fill the transmission with the

specified lubricant as detailed in Part

7-1.

REMOVAL—THUNDERBIRD

1. Working from the engine com-

partment, remove the fluid filler tube

bracket attaching screw that secures it

to the rear of the right cylinder head.

Lift the tube and dipstick from the

transmission.

2.
Remove the starting motor upper

attaching bolt using a long extension.

3.
Remove the two converter hous-

ing upper attaching bolts.

4.
Raise the vehicle on a hoist or

stands.

5.
Remove the dust shield from the

front lower end of the converter hous-

ing.

6. Crank the engine until one of the

converter drain plugs is accessible.

Then, remove the plug.

7.
Crank the engine until the other

plug is at the bottom. Place a drain

pan to catch the fluid, then remove

the pan and allow the fluid to drain.
8. Remove the drive shaft.

9. Remove the frame side rail sup-

port brace attaching bolts and remove

the brace.

10.
After the fluid has been drained

from the converter, install the plug.

11.
Place the drain pan under the

transmission pan and loosen the at-

taching bolts and allow the fluid to

drain. Finally remove all of the pan

attaching bolts except two, to allow

the oil to further drain. After the fluid

has drained, install two bolts on the

opposite side of the pan to temporari-

ly hold it in place.

12.
Remove the converter-

to-flywheel attaching nuts.

13.
Disconnect the downshift link-

age from the transmission downshift

lever.

14.
Using tool T67P-7341-A, re-

move the selector rod from the manu-

al lever.

15.
Remove the two screws that at-

tach the shift rod bellcrank bracket to

the converter housing and remove the

bracket.

16.
Disconnect the vacuum dia-

phragm hose from the upper end of

the vacuum tube.

17.
Disconnect the speedometer

cable from the extension housing and

place it to one side.

18.
Remove the starting motor two

lower attaching bolts and place the

motor to one side.

19.
Disconnect the two oil cooler

lines from the right side of the trans-

mission.

20.
Disconnect the muffler inlet

pipes at the exhaust manifolds and

allow the pipes to hang.

21.
Remove the vibration absorber

from the extension housing.

22.
Remove the two engine rear

support-to-extension housing attaching

bolts.

23.
Place a transmission jack under

the transmission and raise it just

enough to remove the weight from the

support.

24.
Remove the two support attach-

ing bolts and remove the support.

25.
Lower the jack just enough to

remove the weight.

26.
Remove the four remaining

converter housing-to-cylinder block at-

taching bolts and the accelerator link-

age stop from the left side of the

housing.

27.
Carefully lower the transmis-

sion and remove it from under the ve-

hicle.

28.
Remove the converter and

mount the transmission in a holding

fixture.procarmanuals.com

07-04-20

C-6 Automatic Transmission

07-04-20

SNAP RING

LOW-REVERSE

CLUTCH PISTON

Tool -

T6SL-77515-A
RETAINER Toof - T65L- 77575- A

D1610-A

FIG. 29—Compressing Reverse Clutch Spring

AIR NOZZLE

Tool- 7000- DD

LOW- REVERSE CLUTCH

APPLY PASSAGE

D1611-A

FIG. 30—Removing Low-Reverse

Clutch Piston
20.
Remove the one-way clutch

inner race attaching bolts from the

rear of the case. Remove the inner

race from inside of the case.

21.
Remove the reverse clutch pis-

ton from the case as shown in Fig. 30.

PARTS REPAIR OR

REPLACEMENT

During the repair of the sub-

assemblies, certain general instructions

which apply to all units of the trans-

mission must be followed. Following

these instructions will avoid unneces-

sary repetition.

OUTER

MANUAL LEVER

AND SHAFT

PARKING

PAWL ACTUATING

ROD

D1612-A

FIG. 31—Downshift and Manual Linkage

7"oo/ - 77288

D1613-A

FIG. 32—Installing Manual Lever

Seal
All transmission parts must be

handled carefully to avoid nicking or

burring the bearing or mating surfa-

ces.

Lubricate all internal parts of the

transmission with clean automatic

transmission fluid before assembling

them.

Do not use any other lubricants ex-

cept on gaskets and thrust washers.

These may be coated with vaseline to

facilitate assembly. Always use new

gaskets and seals when assembling a

transmission.
Tighten all bolts and screws to the

recommended torque as outlined in

the Specification Section.

TRANSMISSION CASE

AND LINKAGE

Downshift and Manual

Linkage

1.
Remove the nut and lock washer

that secures the outer downshift lever

to the transmission and remove the

lever.

2.
On a Mustang or Cougar, re-

move the two bolts that secure the

neutral safety switch to the case. In-

sert a screwdriver between the switch

and case as close as possible to the

shaft. Gently pry the switch from the

case.

3.
Slide the downshift lever out

from the inside-of the case (Fig. 31).

Remove the seal from the recess in

the manual lever shaft.

4.
Remove the C-ring that secures

the parking pawl actuating rod to the

manual lever. Remove the rod from

the case.

5.
Remove the nut that secures the

inner manual lever to the shaft. Re-

move the inner lever from the shaft.

Slide the outer lever and shaft from

the case.

6. Remove the seal from the case

with Tools T59L-1OO-B and T58L-

101-A or 7600-E.

7.
Dip the new seal in transmission

fluid and install it in the case as

shown in Fig. 32.

8. Slide the outer manual lever and

shaft in the transmission case.

9. Position the inner lever on the

shaft and install the attaching nut.

Tighten the nut to specification. In-

stall the parking pawl actuating rod

and secure it to the inner manual lever

with a C-washer.

10.
Install a new downshift lever

seal in the recess of the outer lever

shaft. Slide the downshift lever and

shaft into position.

11.
On a Mustang or Cougar, posi-

tion the neutral switch on the manual

lever and secure it with the two at-

taching bolts. Leave the attaching

bolts loose to adjust the switch after

installing the control valve.

12.
Place the outer downshift lever

on the shaft and secure it with a lock

washer and nut.procarmanuals.com