Ford 2003 Mustang Workshop Manual page 67

Clicking or
snapping—occurs
when accelerating
around a corner
High pitched
chattering—noise
from the rear axle
when the vehicle is
turning
Buzz—buzzing noise
is the same at cruise
or coast/deceleration
Rumble or boom—
noise occurs at
coast/deceleration,
usually driveshaft
speed related and
noticeable over a
wide range of speeds
Grunting—normally
associated with a
shudder experienced
during acceleration
Damaged or
worn wheel
bearings
Damaged or
worn outboard
CV joint.
Incorrect or
contaminated
lubricant.
Damaged or
worn differential
(differential side
gears and pinion
gears).
Damaged or
worn tires.
Incorrect
driveline angles.
Driveshaft is
out-of-balance.
U-joints binding
or seized.
Excessive
pinion flange
runout.
Driveshaft slip
yoke binding.
Section 204-01 .
CHECK for abnormal wheel
bearing play or roughness.
Refer to Wheel Bearing
Check in this section.
ADJUST or INSTALL new
wheel bearings as
necessary.
INSPECT the outboard CV
joint and boot. REPAIR or
INSTALL a new CV joint as
necessary.
CHECK the vehicle by
driving in tight circles (5
clockwise, 5
counterclockwise). FLUSH
and REFILL with the
specified rear axle lubricant
and friction modifier as
necessary.
DISASSEMBLE the
differential assembly.
INSPECT the differential
case, pin and gears for wear
or damage. REPAIR or
INSTALL a new differential
as necessary. REFER to
Section 205-02A for Ford
7.5 rear axles or Section
205-02B for Ford 8.8
integral axles.
CHECK for abnormal tire
wear or damage. INSTALL a
new tire as necessary.
REFER to Section 204-04
CHECK for correct driveline
angles. REPAIR as
necessary. REFER to
Section 205-00 .
CHECK the driveshaft for
damage, missing balance
weights or undercoating.
CHECK the driveshaft
balance. CARRY OUT a
driveline vibration test.
REFER to Section 205-00
ROTATE the driveshaft and
CHECK for rough operation
or seized U-joints. INSTALL
new U-joints as necessary.
REFER to Section 205-01
CARRY OUT a runout
check. REPAIR as
necessary. REFER to
Section 205-00 .
CLEAN and LUBRICATE
the male and female
splines.
.
.
.