1969 FORD MUSTANG axle
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03-03-02
Automatic Air Leveling System
03-03-02
REMOVAL AND INSTALLATION
AIR COMPRESSOR
REMOVAL
1.
Slip the vacuum line off the in-
take fitting on the side of the com-
pressor (Fig. 2).
2.
Disconnect the output line from
the rear of compressor.
3.
Remove the three compressor at-
taching nuts from the bracket. Lift the
compressor from the mounting brack-
et.
INSTALLATION
1.
Place the star washer on each in-
sulator. Position the compressor on
the mounting bracket and install and
torque the three attaching nuts to
specifications.
2.
Connect the vacuum line to the
intake fitting at the side of the com-
pression.
3.
Start the engine and check the
compressor output.
4.
Connect the output line to the
nylon fitting at the rear of the com-
pressor (Fig. 2).
HEIGHT CONTROL VALVE
REMOVAL
1.
Raise the vehicle on a hoist. It
may be more convenient to support
the rear of the frame with two jack
stands and lower the, axle to provide
greater accessability to the valve.
2.
Disconnect the compressor line
from the intake port of the height
control valve (Fig. 3).
3.
Disconnect the air cylinder line
from the rear of the height control
valve.
4.
Disconnect the link from the
height control valve lever.
5.
Remove the two control valve-
to-mounting bracket attaching screws
and remove the valve.
INSTALLATION
1.
Position the height control valve
to the mounting bracket and install
the two attaching screws. Torque the
screws to specification.
2.
Connect the link to the height
control valve lever.
3.
Connect the compressor line to
the height control valve.
4.
Connect the air cylinder line to
the height control valve.
5.
Set the height control valve lever
as required to obtain the correct trim
height.
6. After obtaining the correct trim
height, check the operation of the air
leveling system.
AIR CYLINDER
REMOVAL
1.
Raise the vehicle on a hoist with
the hoist under the rear axle housing.
Place jack stands under the frame side
rails.
2.
Disconnect the air cylinder line
from the fitting on the lower end of
the cylinder (Fig. 4).
3.
Lower the hoist and axle housing
until the rear shock is fully extended.
4.
Squeeze all air from the bag and
install the valve cap.
5.
Remove the air cylinder from the
rear spring.
INSTALLATION
1.
Make sure all the air is out of
the bag and the valve cap is on.
2.
Position the air cylinder in the
spring with the inlet at the lower end.
3.
Remove the valve cap and con-
nect the air cylinder line to the cylin-
der.
4.
Remove the jack stands and
lower the vehicle.
VACUUM INTAKE LINE
INSULATORS
NYLON FITTING
MOUNTING BRACKET
FIG. 2—Compressor Installed
STAR WASHERS
COMPRESSOR
F 1364-Aprocarmanuals.com
Page 111 of 413
03-04-02
Automatic Air Leveling System — Lincoln Continental
03-04-02
REMOVAL AND INSTALLATION
COMPRESSOR
REMOVAL
1.
Raise the front of the vehicle and
place jack stands under frame side
rails.
2.
Turn the front wheels all the way
to the right. Working from the und-
erside of the left front fender, remove
the three shield attaching screws (Fig.
2).
3.
Disconnect the one vacuum line,
clean air intake line and the two pres-
sure lines from the compressor.
4.
Remove the two compressor
mounting bracket attaching bolts. Re-
move the bracket and compressor as
an assembly.
5.
Remove the three compressor to
bracket attaching nuts. Separate the
compressor from the bracket.
INSTALLATION
1.
Assemble the compressor and in-
sulators to the mounting bracket. In-
stall and torque the three nuts to spec-
ification.
2.
Position the compressor mount-
ing bracket and compressor and se-
cure with the two attaching nuts. Tor-
que the nuts to specification.
3.
Connect the vacuum line (coded
with a red stripe), clean air intake line
BRACKET
AND
COMPRESSOR
MUST
BE
ASSEMBLED
TOGETHER
PRIOR
TO
INSTALLATION
IN
VEHICLE
BOLT MUST
BE IN
PLACE
PRIOR
TO
INSTALLATION
OF
SUPPORT
INTO
VEHICLE
FIG. 2—Compressor Installation
CROSSMEMBER
EXHAUST
VALVE PORT
OVER
TRAVEL
LEVER
REAR AXLE
HOUSING
F1400-A
3—Height Control Valve
F1420-A
and the two pressure lines (Fig. 2) to
the compressor.
4.
Install the shield and three at-
taching screws.
5.
Remove the jack stands and
lower the vehicle.
HEIGHT CONTROL VALVE
REMOVAL
1.
Exhaust all air from system.
2.
Raise the rear of the vehicle and
support it with jack stands.
3.
Disconnect the link from the
height control valve arm.
4.
Disconnect the air inlet and the
outlet line from the valve.
5.
Remove the two control valve
mounting bracket attaching bolts (Fig.
3) and remove the valve.
INSTALLATION
1.
Position the height control valve
and install the two attaching bolts.
Torque the bolts to specification.
2.
Connect the air inlet and theprocarmanuals.com
Page 112 of 413
03-04-03
Automatic Air Leveling System — Lincoln Continental
03-04-03
outlet lines to their respective parts.
3.
Adjust the trim height as de-
tailed in Section 4.
4.
Connect the link to the arm.
5.
Remove the jack stands and
lower the vehicle.
SUPER LIFT SHOCK ABSORBER
REMOVAL
1.
Raise the vehicle and place jack
stands under the axle to compress the
super lift.
2.
Loosen the air line or lines (right
super lift) slowly to release the air
from the system. Then, disconnect the
line or lines.
3.
Remove the three mounting plate
attaching screws from the upper end
of the super lift.
4.
Remove the attaching nut and
washer from the lower end of the
super lift and remove it from the vehi-
cle.
5.
Remove the nut, outer washer
and the insulator that attach the super
lift to the mounting plate. Remove the
plate, remaining insulator and washer.
INSTALLATION
1.
Position a washer, insulator,
mounting plate, insulator, washer and
nut on the stud at the upper end of
the super lift. Torque the nut to speci-
fication.
2.
Install the mounting plate, outer
insulator, washer and nut on the stud.
Torque the nut to specification.
3.
Attach the mounting plate and
shock absorber to the crossmember
with the attaching screws to specifica-
tions.
4.
Connect the lower end of the
super lift to the mounting stud with
the washers and attaching nut. Torque
the nut to specification.
5.
Connect the air line or lines
(right super lift) to the super lift.
6. Start the engine and check for
leaks.
3 IN-VEHICLE ADJUSTMENTS AND REPAIRS
REGULATOR ADJUSTMENT HEIGHT CONTROL VALVE
The regulator may be adjusted if
the regulator pressure is under 100 psi
with the reservoir pressure at a mini-
mum of 140 psi. If the regulated pres-
sure exceeds 130 psi, the regulator
must be replaced.
To adjust the regulator, remove the
boot and reposition the sleeve and re-
tainer deeper into the body of the re-
gulator, using a deep well socket (Fig.
4).
If the regulator pressure remains
under 100 psi, replace regulator.
SILICONE FLUID
REPLACEMENT
If the height control valve time
delay does not fall within specifica-
tion, the silicone fluid must be re-
placed. Then repeat the time delay
test. If delay is still not within specifi-
cations, replace the height control
valve.
1.
Remove control valve and clean
the exterior of the valve thoroughly.
2.
Position the valve with delay
plug on top. Remove delay plug and
drain silicone fluid from the chamber.
Remove the O-ring from the chamber
(Fig. 5), and discard the O-ring.
3.
Remove the cover plate retaining
ring, using snap ring pliers. Remove
the delay cover from the valve body.
Remove the O-ring from the chamber,
and discard the O-ring.
4.
Place a new O-ring over the
delay plug and install the plug. Tor-
que the plug to 20-30 in-lbs. .
5.
Pour silicone fluid into the delay
piston chamber until fluid level is 5/16
inch below the top edge of the body.
Add or remove fluid with an eye drop-
per until the proper fluid level is
reached.
6. Hold the control valve body in a
vise with the delay chamber elevated
slightly. Carefully operate the lever to
purge trapped air from the fluid.
7.
Place a new O-ring in the groove
around the delay piston bore. Install
5/16" TO
FLUID LEVEL
F 1405 A
FIG. 4—Adjusting Regulator
F1406 A
FIG. 5—Replacing Silicone Fluidprocarmanuals.com
Page 172 of 413
03-12-01
Wheels
And
Tires
03-12-01
PART
3-12
Wheels
And
Tires
COMPONENT INDEX
FRONT
HUB AND
DRUM ASSEMBLY
Removal
and
Installation
FRONT
HUB AND
ROTOR ASSEMBLY
Removal
and
Installation
FRONT WHEEL ASSEMBLY DESCRIPTION
FRONT WHEEL BEARING ADJUSTMENT
FRONT WHEEL GREASE SEAL
AND
BEARING
Removal, Installation, Repacking
HOISTING INSTRUCTIONS
LIFE GUARD TIRE
Balancing
Correcting Vibration
and
Shake
Description
Repairs
REAR WHEEL ASSEMBLY DESCRIPTION
WHEELS AND TIRES (Conventional)
Removal
and
Installation
MODEL APPLICATION
All
Models
12-07
12-07
12-01
12-02
12-05
12-02
12-01
12-03
Ford
N/A
N/A
N/A
N/A
Mercury
N/A
N/A
N/A
N/A
Meteor
N/A
N/A
N/A
N/A
Cougar
N/A
N/A
N/A
N/A
Fairlane
N/A
N/A
N/A
N/A
Falcon
N/A
N/A
N/A
N/A
Montego
N/A
N/A
N/A
N/A
Mustang
N/A
N/A
N/A
N/A
Lincoln-
Continental
12-03
12-03
12-02
12-08
Thunderbird
12-03
12-03
12-02
12-08
Continental-
Mark
III
12-03
12-03
12-02
12-08
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.
DESCRIPTION
FRONT WHEEL ASSEMBLY
Each front wheel
and
tire
is
bolted
to
its
respective front
hub and
brake
drum
or
rotor assembly.
Two
opposed
tapered roller bearings
are
installed
in
each
hub. A
grease retainer
is in-
stalled
at the
inner
end of the hub to
prevent lubricant from leaking into
the drum
or on the
rotor.
The
entire
assembly
is
retained
to its
spindle
by
the adjusting
nut, nut
lock
and
cotter
pin (Figs.
1 and 2).
REAR WHEEL ASSEMBLY
The rear wheel
hub and
brake drum
assembly
is
attached
to
studs
on the
rear axle shaft flange
by
three speed
nuts.
The
wheel
and
tire mounts
on
the same rear axle shaft flange studs
and
is
held against
the hub and
drum
by
the
wheel nuts.
The
rear wheel
bearing
is
pressed onto
the
axle shaft
just inside
the
shaft flange,
and the
entire assembly
is
retained
to the
rear
axle housing
by the
bearing retainer
HUB
AND
BRAKE
DRUM
ASSEMBLY
plate which
is
bolted
to the
housing
flange.
ADJUSTING
NUT
GREASE
CAP
OUTER
BEARING
OUTER
CUP
BEARING
CONE
AND
ROLLER
NUT
INNER BEARING
CONE
AND
ROLLER
WHEEL
ASSEMBLY
HUB
BOLT'
^£=3^
F1422-A
FIG.
1
—
Front
Hub,
Bearing
and
Grease Retainer Drum Brakes
procarmanuals.com
Page 180 of 413
03-13-01
Specifications
03-13-01
PART 3-13 Specifications
FRONT
WHEEL
ALIGNMENT
Vehicle
Model
Mustang,
Cougar
Fairlane, Falcon
Mont
ego
Ford,
Mercury
Meteor
Thunderbird,
Mark III
Lincoln
Continental
Dimension
"C"
Inches
(I) 6.30
® 6.50
©4.20
® 4.20
©5.87
Dimension
"D"
Inches
©5.50 (Mustang)
6.35 (Cougar)
©6.72
©6.70
©6.70
©8.39
Alignment
Factors
Caster©
Camber©
Toe-in-Inches
Caster©
Camber©
Toe-in-Inches
Caster©
Camber©
Toe-in-Inches
Caster©
Camber®
Toe-in-Inches
Caster®
Camber®
Toe-in-Inches
Min.
-3/4°
+1/4°
1/16
-1
3/4°
•1/2°
1/8
0°
•1/4°
1/16
0°
•1/4°
1/16
-1/2°
•1/4°
0
Max.
+1 1/4°
+1 3/4°
5/16
+1/4°
+1°
3/8
+2°
+11/4°
5/16
+2°
+1 1/4°
5/16
-2
1/2°
+11/4°
1/4
Desired
+1/4°
+3/4°
3/16
•3/4°
+1/4°
3/16
+1°
+1/2°
3/16
+1°
+1/2°
3/16
•11/2°
+1/2°
1/8
©Maximum difference between wheels not to exceed 1/2° (setting). Maximum checking difference not to exceed 1° with caster and camber
with-
in specifications.
©Maximum difference between wheels not to exceed 1/2°.
©Vertical distance between bottom surface of spring tower on centerline of rebound bumper bolt and point on flat surface of upper suspension
arm midway between ball joint rivets.
©Shortest vertical distance between point on side member and axle housing.
©Distance from corner of lower flange sidemember front to center of bolt head (strut mounting bolt).
©Vertical distance between bottom of sidemember at center of axle bumper bracket and top of axle housing.
©Vertical distance between point on underside of crossmember pocket and point on top of drag strut.
©Distance from axle housing to surface on sidemember immediatly behind axle bumper.
WHEELBASEAND TREAD WIDTH-INCHES
FRONT WHEEL TURNING ANGLE
Vehicle Model
Mustang
Cougar
Fairlane, Montego
Falcon (except Station Wagon)
Falcon Station Wagon
Ford
Mercury, Meteor
Thunderbird (2-Door)
Thunderbird (4-Door), Mark HI
Lincoln Continental
Wheelbase
108.0
111.1
116.0
110.9
113.0
121.0
124.0
114.7
117.2
126.0
Tread
Front
58.5
58.5
58.8
58.8
58.8
63.0
63.0
62.0
62.0
62.4
Width
Rear
58.5
58.5
5«.5
58.5
58.5
64.0
64.0
62.0
62.0
61.0
Vehicle Model
Mustang,
Cougar
Fairlane, Falcon, Montego
Ford,
Mercury, Meteor
Thunderbird, Mark III
Lincoln Continental
Turning Angle of Outside Wheel
With Inside Wheel Turned 20°
18.68°
With Power Steering 17.88°
With Manual Steering 18.1°
With Power Steering 19.14°
With Manual Steering 18.96°
19.26°
17.71°
BALL JOINTS -RADIAL PLAY
STEERING WHEEL TURNING EFFORT
Vehicle Model
Cougar, Fairlane,
Falcon,
Montego,
Mustang
Ford,
Mercury,
Meteor, Thunderbird,
Mark III, Lincoln
Continental
Description
Lower Ball Joint
Upper Ball Joint
Lower Ball Joint
Upper Ball Joint
Radial Play-Max. Allowable
Replace if perceptibly loose
0.250
Inch
0.250
Inch
Replace if perceptibly loose
Vehicle Model
Ford,
Mercury, Meteor
Cougar, Fairlane, Falcon,
Montego, Mustang
Lincoln Continental, Mark III,
Thunderbird
Lbs.
Effort
5.0
6.5
3.75procarmanuals.com
Page 185 of 413
03-13-06
Specifications
03-13-06
TORQUE LIMITS-FRONT SUSPENSION
LINCOLN CONTINENTAL
Description
Brace-Front Suspension to Sidemember (Model 74A Only)
Drag Strut
to
Strut Bracket Assembly
Lower Arm Assembly to Front Crossmember
-
(Attach Bracket)
Lower Arm Assembly to No. 2 Crossmember
Drag Strut
to
Lower Arm Assembly
Wheel Spindle to Lower Arm Ball Joint
Front Wheel Spindle to Upper Arm Ball Joint Assembly
Upper Arm Inner Shaft
to
Upper Arm
Upper Arm and Shaft Assembly to No. 2 Crossmember
Shock Absorber Bracket Assembly to No. 2 Crossmember Bracket
Shock Absorber Assembly to No. 2 Crossmember Assembly (Top End)
Shock Absorber Assembly Lower Arm Spring Seat Reinforcement Assembly
Upper Ball Joint
to
Control Arm
Stabilizer Bar Assembly
to
Underbody
Stabilizer Bar
to
Lower Arm
Jounce Bumper Assembly
to
Strut (Lower Arm)
Front Splash Shield to Spindle
Caliper to Spindle
FtLbs
90-110
70-90
55-75
110-140
70-90
70-90
55-75
25-35
100-125
40-55
20-30
20-30
21-29
20-30
5-10
22-28
9-14
100-140
TORQUE LIMITS-REAR SUSPENSION
FORD, MERCURY, METEOR
Description
Shock Absorber
to
Frame (Upper Attachment)
Upper Arm to Axle Bracket (Nut)
Track Bar to Axle Track Bar Stud
Track Bar Stud to Axle
Track Bar
to
Frame (Bolt Torque)
Track Bar Stud to Axle Bracket (Nut)
Wheel Lug Nut
Brake Backing Plate and Bearing Retainer to Axle-All Cars except those with 240
or
302 CID Engines
Brake Backing Plate and Bearing Retainer to Axle-All Cars with 240
or
302 CID Engines
Shock Absorber to Axle (Lower Attachment)
Bumper Assembly
to
Frame
Lower Arm to Axle-Bolt
Lower Arm to Axle-Nut
Upper Arm
to
Frame-BoU
Upper Arm
to
Frame-Nut
Lower Arm
to
Frame-Bolt
Lower Arm
to
Frame-Nut
Bumper Assembly to No. 4 Crossmember
Universal Joint
U-Bolt
Nut
Air Leveling Compressor
to
Apron
Height Control Valve to Bracket
Height Control Valve Bracket to No. 4 Crossmember
FtLbs
20-28
90-100
80-105
100-130
80-105
80-105
70-115
50-70
20-30
50-35
9-13
90-120
70-90
90-120
70-90
90-120
70-90
9-13
10-15
10-13
17-25
9-13procarmanuals.com
Page 186 of 413
03-13-07
Specifications
03-13-07
TORQUE LIMITS-REAR SUSPENSION
MONTEGO, FALCON, FAIR LANE, MUSTANG AND COUGAR
Description
Spring Shackle Bars to Body and Spring
Shock Absorber
to
Upper Mounting Bracket
Shock Absorber to Spring Clip Plate
Spring to Axle U-Bolt Nut
Wheel Lug Nut 5-Lug Wheel
Spring to Spring Front Hanger
•
Bolt
Spring to Spring Front Hanger
•
Nut
Universal Joint U-Bolt Nut -Std. Trans.
Universal Joint U-Bolt Nut -Auto. Trans.
Mont
ego,
Falcon, Fair lane
15-22
20-28
20-28
35-50
70-115
90-120
40-60
6-11
10-15
Mustang and Cougar
15-22
20-28
20-28
35-50
70-115
60-85
40-60
6-11
10-15
TORQUE LIMITS-REAR SUSPENSION
LINCOLN CONTINENTAL
Description
Brake Backing Plate Bearing Retainer to Axle
Spring Center Bolt
Spring Front Bracket Assembly to Rear Floor Sidemember Assembly
Spring Front Eye Stud and Washer Assembly to Spring Front Hanger Bracket
Spring U-Bolt
Spring Assembly
to
Spring Shackle Assembly
Spring Shackle Assembly
to
Spring Rear Bracket Assembly
Spring Rear Bracket Assembly
to
Rear Floor Sidemember Assembly
Shock Absorber Upper Attaching Bracket
to
Body Crossmember
Shock Absorber Assembly
to
Shock Absorber Upper Attaching Bracket
Shock Absorber Assembly to Axle
Axle Bumper Bracket
to
Underbody
Pinion Bumper Assembly to Axle Carrier
Ft Lbs
30-55
15-20
70-90
76-106
45-65
34-59
34-59
40-67
20-30
20-28
30-45
10-15
18-25
TORQUE LIMITS-REAR SUSPENSION
THUNDERBIRD, CONTINENTAL.MARK
III
Description
Shock Absorber
to
Frame (Upper Attachment)
Upper Arm
to
Axle (Front)
Track Bar to Axle Track Bar Stud
Track Bar Stud to Axle
Track Bar
to
Frame (Bolt Torqe)
Wheel Lug Nut
Brake Backing Plate and Bearing Retainer
to
Axle
Shock Absorber to Axle (Lower Attachment)
Bumper Assembly to Frame
Lower Arm
to
Axle - Bolt
Lower Arm
to
Axle- Nut
Upper Arm
to
Frame -Bolt
Upper Arm
to
Frame
•
Nut
Lower Arm
to
Frame • Bolt
Lower Arm to Frame
-
Nut
Bumper Assembly to No. 4 Crossmember
Ft-Lbs
20-28
70-90
80-105
100-130
70-90
70-115
50-75
50-85
Self-Tapping
90-120
70-80
90-120
70-90
90-120
70-90
Self-Tappingprocarmanuals.com
Page 188 of 413
04-01-01
General Axle Service
04-01-01
GROUP
4
PART
4-1
PAGE
General Axle Service 04-01-01
PART 4-2
Rear Axle
—
Removable Carrier Type ... 04-02-01
PART
4-3
Rear Axle
—
Integral CarrierType
(Except Ford Light Duty WER) 04-03-01
PART 4-4
Rear Axle
—
Ford
Light-Duty (WER)
PART
4-5
Soecifications
PAGE
04-04-01
04-05-01
PART
4-1
General Axle Service
COMPONENT INDEX
ADJUSTING DIFFERENTIAL BEARING
PRELOAD AND BACKLASH
Locating Pinion-Integral Carrier
Locating Pinion-Removable Carrier
ADJUSTING PINION AND RING GEAR
TOOTH CONTACT
Integral Carrier
Removable Carrier
BEARING CONE AND ROLLER
ASSEMBLIES
Cleaning
and
Inspection
BEARING CUPS
Cleaning
and
Inspection
CARRIER HOUSING
Cleaning
and
Inspection
CHECKING GEAR TOOTH PATTERNS
CHECKING LIMITED SLIP
OR
TRACTION
LOK DIFFERENTIAL OPERATION
CHECKING REAR AXLE COMPANIOM
FLANGE RUNOUT
DIFFERENTIAL BEARING ADJUSTING
NUTS
Cleaning
and
Inspection
DIFFERENTIAL CASE
Cleaning
and
Inspection
GEARS (ALL)
Cleaning
and
Inspection
IDENTIFICATION
INSPECTION BEFORE DISASSEMBLY
OF
CARRIER
LIMITED SLIP AND TRACTION-LOK
DIFFERENTIAL PARTS
Cleaning
and
Inspection
MODEL APPLICATION
All
Models
01-07
01-08
01-07
01-07
01-10
01-10
01-10
01-10
01-09
01-09
01-03
01-02
01-10
01-10
01-10
01-10
01-09
01-09
01-02
01-09
01-10
01-10
Ford
01-08
01-07
01-05
Mercury
N/A
N/A
01-05
Meteor
01-08
01-07
01-05
Cougar
01-08
01-07
01-05
Fairlane
01-08
01-07
01-05
Falcon
01-08
01-07
01-05
Montego
01-08
01-07
01-05
Mustang
01-08
01-07
01-05
Lincoln-
Continental
N/A
N/A
01-05
Thunderbird
N/A
N/A
01-06
Continental-
Mark
III
N/A
N/A
01-06
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.
procarmanuals.com