Ford 2003 Mustang Workshop Manual page 66

Driveline clunk—
occurs as the vehicle
starts to move
forward following a
stop
Driveline clunk (FWD
vehicles)—occurs
during acceleration or
from cruise to
coast/deceleration
Driveline clunk (4WD
vehicles)—occurs
during shift-on-the-fly
engagement
Clicking, popping or
grinding—occurs
while vehicle is
turning
Broken
powertrain
mounts.
Idle speed too
high.
Worn or galled
driveshaft slip-
yoke splines.
Worn or galled
driveshaft and
coupling shaft
splines.
Loose rear leaf
spring U-bolts.
Damaged or
worn inboard
constant velocity
(CV) joint.
Clutch relay.
Shift motor.
Transfer case.
GEM.
Inadequate or
contaminated
lubrication in the
(CV) joints.
Another
component
contacting the
halfshaft.
Brake
components.
Steering
components.
Suspension
components.
components as necessary.
INSPECT the powertrain
mounts. INSTALL new
mounts as necessary.
REFER to Section 303-01A
for 3.8L engines or Section
303-01B for 4.6L (2V)
engines.
CHECK for the correct idle
speed.
CLEAN and INSPECT the
splines of the yoke for a
worn or galled condition.
INSTALL a new yoke as
necessary. REFER to
Section 205-01 .
CLEAN and INSPECT the
splines of the driveshaft and
coupling shaft for a worn or
galled condition. INSTALL a
new driveshaft assembly as
necessary. REFER to
Section 205-01 .
CHECK the U-bolts for
loose nuts. TIGHTEN to
specification. REFER to
Section 204-02 .
INSPECT the inboard CV
joint and boot. REPAIR or
INSTALL a new CV joint as
necessary.
CHECK the 4WD
engagement system.
REPAIR or INSTALL new
components as necessary.
CHECK the CV boots and
joints for wear or damage.
REPAIR or INSTALL new
components as necessary.
CHECK the halfshafts and
the area around the
halfshafts. REPAIR as
necessary.
INSPECT the front brakes
for wear or damage.
REPAIR as necessary.
REFER to Section 206-03
INSPECT the drag link,
inner and outer tie-rods or
idler arm for wear or
damage. REPAIR as
necessary. REFER to
Section 211-02 .
INSPECT the upper and
lower ball joints for wear or
damage. REPAIR as
necessary. REFER to
.