2003 FORD MUSTANG torque

closing/opening
the window
z Squeak— heard
outside of vehicle
when
closing/opening
the door z
Exhaust shield
rubbing against
the chassis or
exhaust pipe. z
CHECK the exhaust system.
REPAIR as necessary. REFER
to Section 309 - 00 .
z Squeak— occurs
with initial brake
pedal application z
Disc brake pads. zUnder certain conditions,
asbestos free pads can
generate a squeak noise. This
noise is normal and does not
indicate a concern.
z Squeak— a
constant noise
that occurs with
brake pedal
applications z
Damaged or
worn disc brake
pads. z
INSPECT the pads for oil,
grease or brake fluid
contamination. CHECK for
glazed linings. A brake disc with
hard spots will also cause a
squeak type noise. REPAIR or
INSTALL new pads as
necessary. REFER to Section 206 - 03 for front disc brakes and
Section 206 - 04 for rear disc
brakes.
z Squeak— noise
occurs over
bumps or when
turning z
Worn control
arm bushings. z
INSPECT the control arm
bushings. Spray with lubricant
and CARRY OUT a "bounce
test" to determine which
bushing. REPAIR as necessary.
REFER to Section 204 - 01 .
z Worn or
damaged shock
absorber/strut. z
INSPECT the shock absorber
for damage. CARRY OUT a
"bounce test" to isolate the
noise. INSTALL a new shock
absorber/strut as necessary.
REFER to Section 204 - 01 for
the front shock absorber/strut or
Section 204 - 02 for the rear
shock absorber/strut.
z Rattle— heard
when
closing/opening
the door or
window z
Loose internal
door
mechanism,
bracket or
attachment. z
REPEAT the motion or CARRY
OUT a "tap test" to duplicate the
noise. INSPECT the door for
loose components. TIGHTEN
loose components or USE the
Rotunda Squeak and Rattle Kit
to isolate any rattling
components.
z Rattle — GT
models only,
noise occurs from
the rear of the
vehicle z
A loose or under
torqued shock
damper
attaching nut. z
VERIFY the torque on the
shock damper- to-axle nuts is 63
Nm (46 lb- ft). VERIFY the
torque for the shock damper- to-
rail bracket nuts is 90 Nm (66
lb- ft). Do not over torque.
TIGHTEN as necessary.
z Squeak or rattle—
heard inside the
vehicle over rough
roads/bumps z
Misaligned glove
compartment
door/hinge. z
ALIGN the glove compartment
door.
z Instrument panel
trim loose or z
INSPECT the instrument panel
trim for missing or loose clips or Klj . 32 ba
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flange runout.
Symptom Chart—
Transmission (Automatic) Noise/Vibration Condition
Possible Sources Action
z Rattle— occurs
at idle or at
light
acceleration
from a stop z
Damaged engine or
transmission mounts. z
CHECK the
powertrain/drivetrain mounts
for damage. REPAIR or
INSTALL new mounts as
necessary.
z A loose front exhaust
pipe heat shield. z
REPAIR or INSTALL a new
heat shield as necessary.
z Loose inspection
plate or dust cover
plate. z
CHECK for loose bolts.
TIGHTEN to specifications.
REFER to Section 307 - 01 .
z Loose flex plate to
converter nuts. z
CHECK for loose nuts.
TIGHTEN to specifications.
REFER to Section 307 - 01 .
z Whine— pitch
increases with
vehicle speed.
Starts in first
and second
gear,
decreases or
goes away at
higher gears z
Damaged or worn low
one- way clutch.
z Damaged or worn
intermediate one- way
clutch.
z Friction elements.
z Damaged or worn
planetary or sun gear. z
INSPECT the transmission
for wear or damage. REPAIR
or INSTALL new components
as necessary. REFER to
Section 307 - 01 .
z Whine— the
pitch changes
with engine
speed z
A worn or damaged
accessory drive
component. z
CARRY OUT the Engine
Accessory Test. REPAIR or
INSTALL new components as
necessary.
z Incorrect fluid level. zCHECK that the transmission
is filled to the correct level.
ADD fluid as necessary.
REFER to Section 307 - 01 .
z Partially blocked filter. zINSPECT the filter. CLEAN or
INSTALL a new filter as
necessary. REFER to Section 307 - 01 .
z Worn or damaged
torque converter. z
CARRY OUT the torque
converter service and
replacement check. REFER
to Section 307 - 01 .
z Worn or damaged
front pump. z
INSPECT the front pump.
INSTALL a new front pump
as necessary. REFER to
Section 307 - 01 .
z Whine— pitch
changes with
vehicle speed z
Speedometer cable
or gears. z
REPAIR or INSTALL new
cables or gears as necessary.
z Whine/moan
type noise—
pitch increases
or changes
with vehicle
speed z
Damaged engine or
transmission mount. z
CHECK the
powertrain/drivetrain mounts
for damage. CARRY OUT
Powertrain/Drivetrain Mount Neutralizing in this section.
z U-joints worn or zINSPECT the U- joints for Klj . 45 ba
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damaged.
wear or damage. INSTALL
new U-joints as necessary.
REFER to Section 205 - 01 .
z Damaged or worn
differential ring and
pinion. z
INSPECT the differential ring
and pinion for damage.
CARRY OUT the Checking
Tooth Contact Pattern and
Condition of the Ring and
Pinion component test in this
section. REPAIR or INSTALL
a new differential ring and
pinion as necessary. REFER
to Section 205 - 02A for Ford
7.5 rear axles or Section 205 -
02B for Ford 8.8 integral
axles.
z Planetary gears
nicked or chipped. z
CHECK the planetary gears
for damage. INSTALL new
components as necessary.
REFER to Section 307 - 01 .
z Whistle— noise
is high pitched,
constant.
Changes in
pitch with
throttle position z
Hydraulic pressure in
the main control. z
INSPECT the main control.
REPAIR or INSTALL new
components as necessary.
REFER to Section 307 - 01 .
z Incorrect band/clutch
apply pressure. z
CARRY OUT the line
pressure tests. REPAIR or
INSTALL components as
necessary. REFER to Section 307 - 01 .
z Worn or damaged
torque converter. z
CARRY OUT the torque
converter service and
replacement check. REFER
to Section 307 - 01 .
z Clunk— occurs
when shifting
from PARK to
a drive or
reverse
position z
Damaged powertrain
mounts. z
INSPECT the powertrain
mounts for damage. INSTALL
new mounts as necessary.
z Damaged or worn
pinion bearings. z
CHECK for abnormal bearing
play or roughness. INSTALL
new bearings as necessary.
REFER to Section 205 - 02A
for Ford 7.5 rear axles or
Section 205
- 02B for Ford 8.8
integral axles.
z Worn or galled
driveshaft slip yoke
splines. z
CLEAN and INSPECT the
splines of the yoke. INSTALL
a new slip yoke as necessary.
REFER to Section 205 - 01 .
z Worn friction
elements or
excessive clutch pack
end plate play. z
INSPECT the transmission
for wear. CHECK that all end
play and clearances are
within specification. REPAIR
or INSTALL new components
as necessary. REFER to
Section 307 - 01 . Klj . 46 ba
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Pinpoint Tests
The pinpoint tests are a step-by-
step diagnostic process designed to determine the cause of a z
Bump—occurs
when shifting
from PARK to
a drive or
reverse
position.
Similar to
Clunk but with
no sound z
Initial gear
engagement. z
Acceptable condition.
z Buzz or hiss zIncorrect driveline
angles. z
CHECK for correct driveline
angles. REPAIR as
necessary. REFER to Section 205 - 00 .
z Worn or damaged
main control
solenoids or valves. z
Using a transmission tester,
ACTIVATE the solenoids to
duplicate sound. INSTALL
new components as
necessary. REFER to Section 307 - 01 .
z Vibration— a
high frequency
(20–80 Hz) that
is felt through
the seat or
gear shifter.
Changes with
engine speed z
Transmission cooler
lines grounded out. z
CHECK the transmission
cooler lines. REPAIR as
necessary.
z Flexplate to torque
converter nuts loose. z
CHECK the flexplate nuts.
TIGHTEN to specification.
REFER to Section 307 - 01 .
z Fluid filler tube
grounded out. z
CHECK the fluid filler tube.
REPAIR as necessary.
z Shift cable incorrectly
routed, grounded out
or loose. z
CHECK the shift cable.
REPAIR as necessary.
Section 307 - 05 .
z Shutter or
chatter—
occurs with
light to medium
acceleration
from low
speeds or a
stop z
Electrical
inputs/outputs.
z Vehicle wiring
harness.
z Incorrect
inputs/outputs from
the powertrain control
module (PCM), digital
transmission range
(TR) sensor, brake
pedal position (BPP)
sensor, throttle
position (TP) sensor,
transmission speed
sensor (TSS), output
speed shaft (OSS)
sensor or the torque
converter clutch
(TCC). z
CARRY OUT a Torque
Converter Clutch Operation
Test. RUN on- board
diagnostics or self- test.
REFER to Section 307 - 01 .
CLEAR the DTC's, ROAD
TEST and RERUN on- board
diagnostics or self- test. Klj . 47 ba
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SPECIFICATIONS
SECTION 204-
00: Suspension System — General Information 2003 Mustang Workshop Manual Alignment Specifications
Item LH RH Total/Split
Front
Caster 3.2° ± 0.75° 3.2° ± 0.75° 0° ±
0.75° Camber—
GT and Base -
0.50° ± 0.75° -
0.50° ± 0.75° 0° ±
0.75° Camber—
Cobra -
0.90° ± 0.40° -
0.90° ± 0.40° 0° ±
0.40° Toe (positive value is toe-in, negative value is toe-
out) — — 0.25° ± 0.25°
Rear, Cobra
Caster — — —
Camber -0.8° ± 0.2° -
0.8° ± 0.2° 0° ±
0.50° Toe (positive value is toe-in, negative value is toe-
out) — — 0.20° ± 0.15°
General Specifications Item Specification
Front Ride Height
Front 4 mm ±
7.6 mm (0.2 in. ± 0.3 in.) Rear Ride Height
Rear —
GT and Base 128 mm (5 in.)
Rear — Cobra 18 mm ±
7.6 mm (1.4 in. ± 0.3 in.) Vehicle Lean (Side-
to-Side Differences) Front —
maximum 13 mm
(0.5 in.) Rear —
maximum 13 mm
(0.5 in.) Dogtracking
Maximum 13 mm (0.5 in.)
Clear vision (negative value is counterclockwise) -
2° ± 3° Ball Joint End Play
Lower ball joint —
maximum 0.8 mm
(1/32 in.)
Torque Specifications Klj . 1 ba
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SPECIFICATIONS
SECTION 204-
01: Front Suspension 2003 Mustang Workshop Manual Torque Specifications
Description Nm lb-
ft lb-
in Front shock absorber upper nut 100 74 —
Front shock absorber-
to-spindle nuts 200 148 —
Shock absorber upper mount-
to-body nuts 40 30 —
Shock absorber upper mount-
to-body bolt 40 30 —
Wheel hub and bearing retainer nut 350 258 —
Stabilizer bar bracket nuts 70 52 —
Stabilizer bar link nuts 19 14 —
Anti-
lock brake sensor bolt 6 — 53
Anti-
lock brake sensor wire bracket nut 28 21 —
Ball joint-
to-front wheel spindle nut 175 129 —
Front suspension lower arm-
to-body nuts 200 148 —
Tie-
rod- to-spindle nuts 55 41 —
Steering gear-
to-crossmember nuts 70 52 —
Wheel nuts 129 95 — Klj . 1 ba
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REMOVAL AND INSTALLATION
Wheel Hub and Bearing
Removal
CAUTION: Suspension fasteners are critical parts because they affect performance of vital
components and systems and their failure can result in major service expense. A new part with
the same part number or an equivalent part must be installed, if installation is necessary. Do
not use a part of lesser quality or substitute design. Torque values must be used as specified
during reassembly to ensure correct retention of these parts.
1. Raise the vehicle on a hoist. For additional information, refer to Section 100 - 02 .
2. Remove the wheel and tire assembly. For additional information, refer to Section 204 - 04 .
3. Remove the front brake disc. For additional information, refer to Section 206 - 03 .
4. Remove and discard the front hub cap grease seal (1N135).
5. CAUTION: The wheel hub retainer (3B477) is a one time use item and must be
replaced with a new retainer when removed. Failure to do so can cause the retainer to
come loose during vehicle operation resulting in loss of vehicle control.
Remove and discard the front axle wheel hub retainer.
6. Remove the front wheel hub and bearing (1104).
SECTION 204-
01: Front Suspension 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Arm —
Lower
Removal
CAUTION: Suspension fasteners are critical parts because they affect performance of vital
components and systems and their failure can result in major service expense. A new part with
the same part number or an equivalent part must be installed, if installation is necessary. Do
not use a part of lesser quality or substitute design. Torque values must be used as specified
during reassembly to ensure correct retention of these parts.
1. Mark the front shock absorber (18124) relative to the protective sleeve with the vehicle in a static, level ground position (curb height).
2. Raise the vehicle on a hoist. For additional information, refer to Section 100 - 02 .
3. Remove the wheel and tire assembly. For additional information, refer to Section 204 - 04 .
4. Remove the front brake disc shield. For additional information, refer to Section 206 - 03 .
5. CAUTION: To prevent damage to the front suspension lower arm (3078) do not
remove the nut from the ball joint (3050) at this time.
Disconnect the ball joint stud from the arm.
zLoosen the nut two or three turns.
z Sharply rap on the front wheel spindle (3105) at the ball joint connection to disconnect
the ball joint stud.
SECTION 204-
01: Front Suspension 2003 Mustang Workshop Manual Klj . 1 ba
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