1969 FORD MUSTANG service

04-02-08
Rear Axle — Removable Carrier Type

04-02-08

REMOVAL AND INSTALLATION

CARRIER ASSEMBLY

REMOVAL

1.
Raise the vehicle on a hoist and

remove the two rear wheels and tires.

2.
Remove the two brake drums (3

Tinnerman nuts at each drum) from

the axle shaft flange studs. If diffi-

culty is experienced in removing the

drums, remove the brake adjuster

knockout slug or rubber plug (if so

equipped) and back off the brake

shoes.

3.
Working through the hole pro-

vided in each axle shaft flange, re-

move the nuts that secure the rear

wheel bearing retainer plate. Pull each

axle shaft assembly out of the axle

housing using axle shaft remover,

Tool 4235-C. (Fig. 4). Care must be

exercised to prevent damage to the

production-type synthetic oil seal, if so

equipped. Any roughing or cutting of

the seal element during removal or in-

stallation can result in early seal fail-

ure.
Install a nut on one of the brake

backing plate attaching bolts to hold

the plate to the axle housing after the

shaft has been removed. Whenever a

rear axle shaft is replaced, the wheel

bearing oil seals must be replaced.

Remove the seals with tool 1175AB.

4.
Make scribe marks on the drive

shaft end yoke and the axle U-joint

flange to insure proper position at as-

sembly. Disconnect the drive shaft at

the rear axle U-joint. Hold the cups

on the spider with tape. Mark the

cups so that they will be in their orig-

inal position relative to the flange

when they are assembled. Remove the

drive shaft from the transmission ex-

tension housing. Install an oil seal re-

placer tool in the housing to prevent

transmission leakage. Refer to the

transmission group for the appropriate

tool.

5.
Clean area around carrier to

housing surfaced with a wire brush and

wipe clean, to prevent dirt entry into

the housing. Place a drain pan under

the carrier and housing, remove the

carrier attaching nuts, and drain the

axle.
Remove the carrier assembly

from the axle housing.

INSTALLATION

Synthetic production-type wheel

bearing seals must not be cleaned,

soaked or washed in cleaning solvent.

1.
Clean the axle housing and

shafts using kerosene and swabs. To

avoid contamination of the grease in
the sealed ball bearings, do not allow

any quantity of solvent directly on the

wheel bearings. Clean the mating sur-

faces of the axle housing and carrier.

2.
Position the differential carrier

on the studs in the axle housing using

a new gasket between carrier and

housing. Install the carrier-to-housing

attaching nuts, and torque them to

specifications.

3.
Remove the oil seal replacer tool

from the transmission extension hous-

ing. Position the drive shaft so that

the front U-joint slip yoke splines to

the transmission output shaft.

4.
Connect the drive shaft to the

axle U-joint flange, aligning the scribe

marks made on the drive shaft end

yoke and the axle U-joint flange dur-

ing the removal procedure. Install the

U-bolts and nuts and torque to speci-

fications.

5.
If the synthetic, production-type

wheel bearing seals were replaced with

service-type leather seals, soak the

new rear wheel bearing oil seals in

SAE 10 oil for 1/2 hour before instal-

lation. Wipe a small amount of an oil

resistant sealer on the outer edge of

each seal before it is installed. Do not

put any of the sealer on the sealing

lip.
Install the oil seals in the ends of

the rear axle housing with one of the

tools shown in Figs. 10 and 12.

Tool

T65F-1177.A

E 1571-A

FIG. 12—Rear Axle Shaft Bearing

Seal Installation

6. Install the two axle shaft assem-

blies in the axle housing. Care must

be exercised to prevent damage to the

oil seals. The shorter shaft goes into

the left side of the housing.

Carefully slide the axle shaft into

the housing so that the rough forging

of the shaft will not damage the oil

seal. Start the axle splines into the

differential side gear, and push the

shaft in until the bearing bottoms in

the housing.
7.
Install the bearing retainers on

the attaching bolts on the axle housing

flanges. Install the nuts on the bolts

and torque to specifications.

8. If the rear brake shoes were

backed off, adjust the brakes as out-

lined in Part 2-1 and install rubber

plugs in the adjuster slots.

9. Install the two rear brake drums

and the drum Tinnerman nuts.

10.
Install the rear wheels and tires.

11.
Fill the rear axle with specified

lubricant.

AXLE HOUSING (COIL

SPRING SUSPENSION)

REMOVAL

1.
Remove the carrier assembly

from the axle housing as outlined in

Differential Carrier Removal and In-

stallation.

2.
Position safety stands under the

frame rear members, and support the

axle housing with either a floor jack

or hoist.

3.
Disengage the brake line from

the clips that retain the line to the

axle housing.

4.
Disconnect the vent tube from

the rear axle housing.

5.
Remove the brake backing plate

assemblies from the axle housing, and

support them with wire. Do not dis-

connect the brake line.

6. Disconnect the lower studs of the

two rear shock absorbers from the

mounting brackets on the axle housing

(Fig. 13 and 14).

7.
Remove the attaching nut and

washer, and disconnect the track bar

from the mounting stud on the axle

housing bracket.

8. Lower the axle housing until the

coil springs are released. Lift out the

coil springs and insulators.

9. Remove the nuts, washers and

pivot bolts that connect the suspension

lower arms to the axle housing. Dis-

connect both arms from the axle

housing.

10.
Disconnect the upper suspen-

sion arm from the axle housing by re-

moving the pivot bolt, nut, lock wash-

er and the two eccentric washers (Fig.

13 and 14).

11.
Lower the axle housing and re-

move it from under the vehicle.

INSTALLATION

1.
Transfer the track bar mounting

stud from the old to the new housing.procarmanuals.com

04-02-18
Rear Axle — Removable Carrier Type
04-02-18

E 1195-C

FIG. 41—Removing
or
Installing

Pinion
and
Retainer Assembly

10.
Hold
the
flange with
the
tool

shown
in Fig. 22
(Ford)
or Fig. 23

(Mercury),
and
torque
the
pinion shaft

nut
to 175
ft-lbs.
Do not
exceed
175

ft-Ibs
at
this time.

11.
Check
the
pinion bearing
pre-

load
as
shown
in Fig. 42.
Correct

pre-load will
be
obtained when
the

torque required
to
rotate
the
pinion
in

the retainer
is as
specified
in
Part
4-3.

If
the
torque required
to
rotate
the pin-

ion
is
less than specified, tighten
the

pinion shaft
nut a
little
at a
time until

Inch-Pound

Torque Wrench

E1899A

FIG. 42—Checking Pinion Bearing

Preload
the proper preload
is
established.
Do

not overtighten
the nut. If
excessive

preload
is
obtained
as a
result
of
over-

tightening, replace
the
collapsible

bearing spacer.

Do
not
back
off the
pinion shaft
nut

to establish pinion bearing preload.
If

the torque
on the
pinion shaft
nut is

less than
175
ft-lbs after bearing
pre-

load
is
established,
a new
collapsible

spacer must
be
used.

SOLID PINION BEARING

SPACER INSTALLATION

The spacer
is
serviced
in 20
sizes

listed
in
Part
4-5. The
manner
of sel-

ecting
the
size spacer required
for ob-

taining correct preload
is
included
in

the following assembly procedure.

1.
Install
the
drive pinion rear bear-

ing cone
and
roller assembly
on the

pinion shaft
as
shown
in
Figs.
38 or

39.

2.
Select
a new
solid spacer
of a

larger size (0.485 inch thick),
and
slide

it over
the
pinion shaft against
the

rear bearing.

The pinion bearing preload
can be

accurately measured only when
the

pinion shaft
nut is
torqued
to 180-

220 ft-lbs.
If a
spacer smaller than
re-

quired
was
used,
the
specified
180-

220 ft-lbs torque would damage
the

bearings.
For
this reason,
the
largest

spacer should
be
tried first. Then,
if

the bearings
are too
loose,
the
size
of

the spacer
can be
decreased until
the

correct preload
is
obtained.

3.
Position
the
bearing retainer
and

cup assembly
on the
pinion shaft
and

install
the
front bearing cone
and rol-

ler. Press
the
front bearing cone
and

roller assembly into position,
as

shown
in Fig. 38.

4.
Mount
the
retainer
in a
holding

fixture
as
shown
in Fig. 23, and
place

the slinger over
the
pinion shaft
and

against
the
front bearing.

5.
Install
the
U-joint flange with

the tool shown
in Fig. 46.

6. Hold
the
flange with
the
tool

shown
in Fig. 23 or 24, and
install
the

old pinion shaft
nut.
Using
a
ft-lb
tor-
que wrench, torque
the nut to
180-220

ft-lbs.
While tightening
the nut,
rotate

the bearing retainer
to
determine
the

existance
of any
bearing preload

which will
be
indicated
by a
slight

drag
in the
rotation
of the
retainer.

DETERMINING SPACER

SIZE FROM

PRELOAD READING

1.
If
bearing drag indicates
a pre-

load condition exists, apply
an
in-lb

torque wrench
to the
pinion
nut as

shown
in Fig. 42 and
read
the
torque

required
to
turn
the
shaft. Effort

should
be
12-1/2
to
32-1/2 in-lbs.

2.
If
preload
is the
correct valve,

proceed with assembly procedure

given
in
Final Assembly
of
Pinion
and

Retainer, which follows.

2.
If
preload exists,
but is
below

specification, select
the
correct spacer

from
Fig. 43 and
install, completing

assembly
as
shown
in
Final Assembly

of Pinion
and
Retainer.

DETERMINING SPACER

SIZE FROM
END

PLAY READING

1.
If no
perceptible preload
is
felt

when rotating
the
pinion shaft, install

a dial indicator
as
shown
in Fig. 44,

so that
the
indicator point
is
resting

on
the end of the
pinion gear shaft

(companion flange
end).

2.
Use
both hands
to
squeeze
the

pinion shaft
and the
bearing retainer

together
(Fig. 45).
Record
the
endplay

reading shown
on the
dial indicator.

3.
Disassemble
the
pinion shaft
and

retainer
and
install
the
correct spacer

as shown
in Fig. 43.

4.
Proceed with assembly
of the pin-

ion shaft
and
retainer
as
directed
in

Final Assembly
of
Pinion
and
Retain-

er.

FINAL ASSEMBLY
OF

PINION
AND
RETAINER

1.
Install
the
drive pinion rear bear-

ing cone
and
roller assembly
on the

AS
END
PLAY

READS

(10/1000 inch)

USE THIS

SPACER
0

0.481
1

0.480
2

0.479
3

0.478
4

0.476

If there
is no end
play
and
preload
on the
bearings

IF PRELOAD READS

(in-lbs.)

USE THIS SPACER
2-11

0.482
12-20

0.483
5

0.476
6

0.474
7

0.474
8

0.472
9

0.472
10

0.470
11

0.470
12

0.468
13

0.468
14

0.466
15

0.465

exists:

21-30

0.484
31-45

0.485

FIG. 43— Solid Spacer Selectionprocarmanuals.com

04-03-02
Rear Axles — Integral Carrier Type

04-03-02

RING GEAR

4209

DRIVE PINION

BEARINGS

4630

4621
FLANGE-4676

E1905A

FIG. 7—Typical Rear Axle Assembly

IN-VEHICLE ADJUSTMENT
AND
REPAIR

REAR AXLE SHAFT, WHEEL

BEARING
AND OIL
SEAL

REPLACEMENT

Synthetic wheel bearing seals
are

used
for
production purposes only.

>Tool-T60K-4234-A

or 4235-D

Tool-T50T-W0-A
or 8-/66

* El904A

FIG. 2—Removing Axle Shaft

E 1731-A

FIG. 3—Removing Rear Wheel

Bearing Retainer Ring
Removal
and
insertion
of
rear axle

shafts must
be
performed with
cau-

tion.
The
entire length
of the
shaft
(in-

cluding spline)
up to the
seal journal

must pass through
the
seal without

contact.
Any
roughing
or
cutting
of

the seal element during axle removal

or installation will result
in
early seal

failure. Leather seals only will
be
used
as service replacements
for
synthetic

wheel bearing seals.

The rear axle shafts, wheel bear-

ings,
and oil
seal
can be
replaced

without removing
the
differential
as-

sembly from
the
axle housing.
Re-

moval
of the
wheel bearings from
the

axle shafts make them unfit
for fur-

ther
use.

E1421-B

FIG. 4—Removing and Installing Rear Wheel Bearing—

Montego—Cougarprocarmanuals.com

04-03-07
Rear Axles — Integral Carrier Type

04-03-07

junction and install vent hose to vent

tube.

7.
Raise the axle housing and con-

nect the shock absorbers.
8. Connect the rear end of the drive

shaft to the axle U-joint flange, align-

ing the scribe marks made on the

drive shaft end yoke and the axle U-
joint flange (Fig. 14).

9. Fill the axle with the proper

grade and amount of lubricant.

10.
Road test the vehicle.

MAJOR REPAIR OPERATIONS

DISASSEMBLY

All service operations on the differ-

ential case assembly and the drive pin-

ion assembly can be performed with

the housing in the vehicle.

REMOVAL OF

DIFFERENTIAL

CASE AND DRIVE PINION

1.
Raise the vehicle and support it

on the underbody, so that the rear

axle drops down as far as the springs

and shock absorbers permit.

2.
Remove the cover from the car-

rier casting rear face, and drain the

lubricant.

3.
Perform the Inspection Before

Disassembly of Carrier in Part 4-1,

Section 3.

4.
Remove both rear wheels.

5.
Remove the brake drums.
6. Working through the hole pro-

vided in the axle shaft flange, remove

the nuts that attach the wheel bearing

retainers to the axle housing.

7.
Pull the axle shafts with the tool

shown in Fig. 2. Care must be exer-

cised to prevent damage to the oil

seals.
Install a nut on one of the brake

backing plate attaching bolts to hold

the plate to the axle housing after the

shaft has been removed. Remove both

seals with the tool shown in Fig. 8.

8. Make scribe marks on the drive

shaft end yoke and the axle U-joint

flange to insure proper position of the

drive shaft at assembly (Fig. 14). Dis-

connect the drive shaft from the axle

U-joint flange. Be careful to avoid

dropping the loose universal joint

bearing cups. Hold the cups on the

spider with tape. Mark the cups so

that they will be in their original posi-

tion in relation to the flange when
they are assembled. Remove the drive

shaft from the transmission extension

housing. Install an oil seal replacer

tool in the transmission extension

housing to prevent transmission leak-

age.
Refer to the transmission group

for the appropriate tool.

9. Remove the differential bearing

adjusting nut locks (Fig. 15).

10.
Mark one differential bearing

cap and the case (Fig. 16) to help po-

sition the parts properly during as-

sembly.

11.
Remove the differential bearing

cap bolts and bearing caps. Hold the

differential case assembly in the hous-

ing after the caps are removed.

12.
Remove the differential case

and bearing cups (Fig. 17).

13.
Hold the drive pinion flange

and remove the pinion nut (Fig. 9).

14.
Remove the pinion flange (Fig.

10).

DIFFERENTIAL PINION GEAR

AND THRUST WASHER

COVER AND GASKET
DIFFERENTIAL SIDE GEAR

AND THRUST WASHER

SHAFT RETAINER DIFFERENTIAL

PINION SHAFT DIFFERENT|AL

DIFFERENTIAL CASE CASE COVER
BEARING ADJUSTING NUT

PINION AND RING GEAR

AXLE SHAFT
BEARING

DRIVE GEAR ATTACHING BOLT

ADJUSTING NUT LOCK

BEARING CAP

PINION LOCATING SHIMS

BEARING AND CUP

WHEEL BEARING RETAINER

GASKET
BEARING AND CUP

SEAL

AXLE SHAFT SEAL

BEARING PRELOAD SPACER/
AXLE HOUSING

FILLER PLUG

'WHEEL BEARING

WHEEL BEARING RETAINER

DEFLECTOR FLANGE

E1908A

FIG. 75—Disassembled Rear Axleprocarmanuals.com

04-04-02
Rear Axle
—
Ford Light-Duty (WER)
04-04-02

DIFFERENTIAL

PINION-4215
RING GEAR
-

4209
LEFT AXLE

SHAFT
-
4235

1

DRIVE PINION
-

4209

SEAL
-
4676

FLANGE-4851

DEFLECTOR -4859

SEAL-
1177

f\G.
7
—Rear Axle Assembly—Light Duty
(WER)
Axle
E 1632-A

IN-VEHICLE ADJUSTMENTS AND REPAIRS

REAR AXLE SHAFT, WHEEL

BEARING
AND OIL
SEAL

REPLACEMENT

REMOVAL

Synthetic wheel bearing seals
are

used
for
production
and as
service
re-

placements. Removal
and
insertion
of

rear axle shafts must
be
performed

with caution.
The
entire length
of the

shaft (including spline)
up to the
seal

journal must pass through
the
seal

without contact.
Any
roughing
or cut-

ting
of the
seal element during axle

removal
or
installation will result
in

early seal failure.

1.
Raise
the
vehicle
on a
hoist.
2.
Remove
the
wheel(s)
and
tire(s)

from
the
brake drum(s).

3.
Position
a
drain
pan and
loosen

the cover
to
differential housing
re-

taining bolts. Drain
the
housing.

4.
Remove
the
attaching (Tinner-

man) nuts that secure
the
brake

drum(s)
to the
axle shaft flange(s),

and then remove
the
drum(s).

5.
Remove
the
differential housing

cover bolts, cover
and
gasket. Discard

the gasket. Remove
the
drain
pan.

6. Position safety stands under
the

rear frame member. Lower
the
hoist

and allow
the
axle
to
lower
as far as

possible.

7.
Working through
the
differential

case opening, remove
the
pinion shaft
lock bolt
and the
pinion shaft
(Fig. 2).

8. Push
the
axle shaft(s) inward

toward
the
center
of the
axle housing.

Remove
the
C-lock(s)
(Fig. 3)
from

the inner
end of the
axle(s). Remove

the axle shaft(s) from
the
housing.
Ex-

treme care must
be
used
to
avoid
con-

tact
of the
axle shaft seal
lip
with
any

portion
of the
axle shaft except
the

seal journal.

9. Remove
the
bearing
and oil
seal

from
the
housing
as
shown
in Fig. 4.

10.
Inspect
the
machined surface
of

the axle shaft
and the
axle housing
for

rough spots
or
other irregularities

which would affect
the
sealing action

of
the oil
seal. Check
the
axle shaft

splines
for
burrs, wear
or
damage.procarmanuals.com

04-04-07
Rear Axle — Ford Light-Duty (WER)
04-04-07

RUNOUT CHECK

E 1573-A

FIG. 70—Checking Backlash and Runout—Light-Duty (WER) Axle

All service operations on the differ-

ential case assembly can be performed

with the axle housing in the vehicle.

1.
Raise the vehicle on a hoist.

2.
Position the drain pan under the

axle housing. Loosen the housing

cover attaching bolts. Drain the lubri-

cant from the housing.

3.
Make scribe marks on the drive

shaft end yoke and the rear axle shaft

companion flange to insure proper po-

sition of the drive shaft at assembly.

Disconnect the driveshaft from the

rear axle companion flange. Be care-

ful to avoid dropping the loose univer-

sal joint bearing cups. Hold the cups

on the spider with tape. Mark the

cups so that they will be in their origi-

nal position in relation to the flange

when they are reassembled. Remove

the drive shaft from the transmission

extension housing. Install an oil seal

replacer tool in the transmission ex-

tension housing to prevent transmis-

sion leakage. Refer to the transmis-

sion group for the appropriate tool.

4.
Raise the vehicle and place

jack-type stands under the rear frame

crossmember. Lower the vehicle on a

hoist and allow the axle to lower as

far as possible.

5.
Remove the axle housing cover

and gasket. Discard the gasket.

6. Perform the Inspection Before

Disassembly of Carrier procedure.

Refer to Part 4-1, Section 3 of this

Shop Manual.

7.
Remove the attaching (Tinner-

man) nuts that secure the rear brake

drums to the axle shaft flanges, and

then remove the drums.

8. Working through the differential

case opening, remove the pinion shaft

lock bolt and pinion shaft (Fig. 2).

9. Push the axle shafts inward

toward the center of the axle housing.

Remove the C-locks (Fig. 3) from the

inner ends of the rear axles. Remove

the axle shafts from the housing. Ex-

treme care must be used to avoid con-

tacting the axle shaft seal lip with any
portion of the axle shaft except the

seal journal.

10.
Remove the bearings and oil

seals from the axle housing as shown

in Fig. 4.

11.
Remove the pinion side gears

and the side gear thrust washers.

12.
Remove both side bearing ad-

justing nut locks (bolts).

13.
Install a dial indicator (Fig. 10),

and check and record the backlash

and ring gear runout.

14.
Mark one differential bearing

cap and the case to help in positioning

the parts properly during assembly.

15.
Remove the bearing cap retain-

ing bolts. Remove the bearing caps,

cups,
adjusting nuts and case assem-

bly.

16.
Hold the drive pinion flange

and remove the pinion nut (Fig. 11).

Discard the nut.

17.
Remove the pinion flange (Fig.

12).

18.
Drive the pinion out of the

front bearing cone and remove it from

the carrier housing. Remove and dis-

card the bearing spacer.

19.
With a hammer and drift re-

move the pinion shaft oil seal out

through the front of the carrier hous-

ing.

20.
Remove the pinion rear bearing

from the drive pinion shaft (Fig. 13).

21.
Measure the shim which is

found under the bearing cone with a

Tool-T57L-485T-A

or 4851-K

El 906A
Tool
-
T6SL-485UA
\

E 1574-A

FIG. 12—Drive Pinion Flange

Removal

1575-A

FIG. 13—Pinion Rear Bearing

Removal

00/
- T57L-4220-A

FIG. 11—Typical Drive Pinion

Shaft Nut Removal
E 1576-A

FIG. 14—Differential Bearing

Removal

micrometer. Record the thickness of

the shim.

DISASSEMBLY OF

DIFFERENTIAL CASE

1.
If the 2 differential side bearings

are to be removed from the differen-

tial case, use the tool shown in Fig.

14.procarmanuals.com

04-05-03
Specifications

04-05-03

SHIM PACK THICKNESS CHART TRACTION-LOK DIFFERENTIAL

Feeler

Gauge

Reading

0.001

0.002

0.003

0.004

0.005

0.006

0.007

0.008

0.009

0.010

0.011

0.012

0.013

0.014

0.015

0.016

0.017

0.018

0.019

0.020

0.021

0.022

0.023

0.024

0.025

0.026

0.027
Remove Shim(s)

From

Nominal

None

0.005

0.010

0.015

0.020

0.025
Total Req'd

Shim Pack

Thickness®

0.050

0.045

0.040

0.035

0.030

0.025
Feeler

Gauge

Reading

0.028

0.029

0.030

0.031

0.032

0.033

0.034

0.035

0.036

0.037

0.038

0.039

0.040

0.041

0.042

0.043

0.044

0.045

0.046

0.047

0.048

0.049

0.050
Remove Shim(s)

From

Nominal

0.030

0.035

0.040

0.045

0.050
Total Req'd

Shim Pack

Thickness ®

0.020

0.015

0.010

0.005

0.000

©Service Shims are available in 0.010" and 0.005" Thicknesses.

ADJUSTMENT TORQUE SPECIFICATION -(BY AXLE RING GEAR DIAMETERS

Description

Minimum torque required to tighten

pinion flange nut to obtain

correct pinion bearing preload

7 1/4" & 8 1/2"

8", 8 3/4" & 9"

9 3/8"

Pinion Bearing Preload-

collapsible spacer)®

Original Bearings 7 1/4"

8", 8 1/2", 8 3/4", 9"

New Bearings 7 1/4"

8", 8 1/2", 8 3/4", 9"

Pinion Bearing Preload-

(Solid Spacer) 9 3/8" Only
Torque

Lbs.
In.

6-12

8-14

17-32

22-32

15-35
. Lbs. Ft.

140®

175®

180-220
Description

Lockers Only • Minimum rotating

Torque required to turn axle

shaft and side gear with one

wheel on ground:

Limited Slip 7 1/4"

All other R. G. Sizes

Traction-Lok-All

Lockers only-Rotating Torques

required during bench check

after assembly:

Original Clutch Plates-

Limited Slip 71/4",

All other R. G. Sizes

Traction-Lok-(All)

New Clutch Plates-

Limited Slip 7 1/4"

All other R. G. Sizes

Traction-Lok-All
Torque

Lbs.
In.
Lbs.
Ft.

50

75

40

50 Min.

75 Min.

40 Min.

100-125

155-195

100-250G

©If pinion bearing preload exceeds specification before this torque is obtained, install a new spacer.

©With Oil Seal.

©Rotating torque may fluctuate up to 40 Lbs. Ft.procarmanuals.com

05-01-01
05-01-01

Clutch
GROUP

5

PART
5-1
PAGE

Drive Shaft 05-01-01

PART
5-2

General Clutch Service 05-02-01
PART
5-3

Clutch

PART
5-4

Specifications
PAGE

05-03-01

05-04-01

PART
5-1
Drive Shaft

COMPONENT INDEX

DESCRIPTION

DRIVE SHAFT ANGLE CHECK

DRIVE SHAFT BALANCE CHECK

DRIVE SHAFT BALANCING

(Single Universal Joint)

DRIVE SHAFT DISASSEMBLY
AND

OVERHAUL

Single Universal Joint — Ford Design

Double Cardan Joint — Dana Design

Double Cardan Joint — Saginaw Design

DRIVE SHAFT REMOVAL
AND

INSTALLATION

DRIVE SHAFT RUNOUT CHECK
MODEL APPLICATION
All
Models

01-01

01-01

01-01

01-02

01-01
Ford
01-04

01-04

N/A

N/A
Mercury
01-04

01-04

N/A

N/A
Meteor
01-04

01-04

N/A

N/A
Cougar
01-04

01-04

N/A

N/A
Fairlane
01-04

01-04

N/A

N/A
Falcon
01-04

01-04

N/A

N/A
Montego
01-04

01-04

N/A

N/A
Mustang
01-04

01-04

N/A

N/A
Lincoln-
Continental
N/A

N/A

01-04

N/A
Thunderbird
N/A

N/A

N/A

01-05
Continental-
Mark
III
N/A

N/A

N/A

01-05

A page number indicates that the item
is for the
vehicle listed
at the
head
of
the column.

N/A indicates that
the
item
is not
applicable
to the
vehicle listed.

DRIVE SHAFT TESTS

DRIVE LINE BALANCE CHECK

If detailed parts
of the
drive shaft

are replaced
and
shaft vibration
is en-

countered after installation, disconnect

the shaft
at the
slip yoke. Rotate
the

slip yoke
180
degrees; then, reconnect

the shaft
to the
slip yoke.
If the
vibra-

tion persists, disconnect
the
shaft
at

the rear axle companion flange.
Ro-

tate
the
companion flange
180
degrees

and reconnect
the
shaft
to the
flange.
DRIVE LINE ANGLE CHECK

Vibration
or
"shudder" which
is no-

ticeable either
on
fast acceleration
or

when coasting, using
the
engine
for a

brake,
may be
caused
by the
rear axle

housing being loose
on the
rear

springs
or by
improper pinion angle.

Refer
to
Group
3,
Part
2 for
pinion

angle checking procedures.
If the
rear

axle U-bolts (Fairlane, Montego,

Mustang, Cougar, Falcon models
only)
are
loose, torque
the
nuts
to

specification.

DRIVE SHAFT RUNOUT CHECK

Using
a
dial indicator, check
the

runout
at
each
end and in the
middle

of
the
driveshaft.
The
rear check

should
be
made
on the
small tube
sec-

tion
of the
shaft between
the
balance

weights
and the
yoke welds. Drive-

shaft runout should
not
exceed 0.035

inch
at any one
point.

DESCRIPTION

The drive shaft
is the
means
of

transferring power from
the
engine,

through
the
transmission,
to the dif-
ferential
in the
rear axle,
and
then
to

the rear wheels.
The
drive shaft incor-

porates
two
universal joints
and a
slip
yoke
(Fig. 1) or two
double cardan

universal joints,
one at
each
end of the

shaft (Figs.
2 and 3).
Each double
procarmanuals.com